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 using std::auto_ptr;
  74
  75 using namespace lyx::support;
  76 using namespace lyx::graphics;
  77 using namespace bv_funcs;
  78
  79 using lyx::pos_type;
  80 using lyx::textclass_type;
  81
  82
  83 // we should get rid of these (Andre')
  84
  85 void InsetText::saveLyXTextState() const
  86 {
  87         // check if my paragraphs are still valid
  88         ParagraphList::iterator it = const_cast<ParagraphList&>(paragraphs).begin();
  89         ParagraphList::iterator end = const_cast<ParagraphList&>(paragraphs).end();
  90         for (; it != end; ++it)
  91                 if (it == text_.cursor.par())
  92                         break;
  93
  94         if (it != end && text_.cursor.pos() <= it->size())
  95                 sstate = text_; // slicing intended
  96         else
  97                 sstate.cursor.par(end);
  98 }
  99
 100
 101 void InsetText::restoreLyXTextState() const
 102 {
 103         if (sstate.cursor.par() == const_cast<ParagraphList&>(paragraphs).end())
 104                 return;
 105
 106         text_.selection.set(true);
 107         // at this point just to avoid the DEPM when setting the cursor
 108         text_.selection.mark(sstate.selection.mark());
 109         if (sstate.selection.set()) {
 110                 text_.setCursor(sstate.selection.start.par(),
 111                         sstate.selection.start.pos(),
 112                         true, sstate.selection.start.boundary());
 113                 text_.selection.cursor = text_.cursor;
 114                 text_.setCursor(sstate.selection.end.par(), sstate.selection.end.pos(),
 115                         true, sstate.selection.end.boundary());
 116                 text_.setSelection();
 117                 text_.setCursor(sstate.cursor.par(), sstate.cursor.pos());
 118         } else {
 119                 text_.setCursor(sstate.cursor.par(), sstate.cursor.pos(),
 120                         true, sstate.cursor.boundary());
 121                 text_.selection.cursor = text_.cursor;
 122                 text_.selection.set(false);
 123         }
 124 }
 125
 126
 127 InsetText::InsetText(BufferParams const & bp)
 128         : UpdatableInset(), text_(0, this)
 129 {
 130         paragraphs.push_back(Paragraph());
 131         paragraphs.begin()->layout(bp.getLyXTextClass().defaultLayout());
 132         if (bp.tracking_changes)
 133                 paragraphs.begin()->trackChanges();
 134         init(0);
 135 }
 136
 137
 138 InsetText::InsetText(InsetText const & in)
 139         : UpdatableInset(in), text_(0, this)
 140 {
 141         init(&in);
 142 }
 143
 144
 145 InsetText & InsetText::operator=(InsetText const & it)
 146 {
 147         init(&it);
 148         return *this;
 149 }
 150
 151
 152 void InsetText::init(InsetText const * ins)
 153 {
 154         if (ins) {
 155                 textwidth_ = ins->textwidth_;
 156                 text_.bv_owner = ins->text_.bv_owner;
 157                 setParagraphData(ins->paragraphs);
 158                 autoBreakRows = ins->autoBreakRows;
 159                 drawFrame_ = ins->drawFrame_;
 160                 frame_color = ins->frame_color;
 161         } else {
 162                 textwidth_ = 0; // broken
 163                 drawFrame_ = NEVER;
 164                 frame_color = LColor::insetframe;
 165                 autoBreakRows = false;
 166         }
 167         the_locking_inset = 0;
 168         for_each(paragraphs.begin(), paragraphs.end(),
 169                  boost::bind(&Paragraph::setInsetOwner, _1, this));
 170         top_y = 0;
 171         no_selection = true;
 172         need_update = FULL;
 173         drawTextXOffset = 0;
 174         drawTextYOffset = 0;
 175         locked = false;
 176         old_par = paragraphs.end();
 177         last_drawn_width = -1;
 178         sstate.cursor.par(paragraphs.end());
 179         in_insetAllowed = false;
 180 }
 181
 182
 183 void InsetText::clear(bool just_mark_erased)
 184 {
 185         if (just_mark_erased) {
 186                 ParagraphList::iterator it = paragraphs.begin();
 187                 ParagraphList::iterator end = paragraphs.end();
 188                 for (; it != end; ++it) {
 189                         it->markErased();
 190                 }
 191                 need_update = FULL;
 192                 return;
 193         }
 194
 195         // This is a gross hack...
 196         LyXLayout_ptr old_layout = paragraphs.begin()->layout();
 197
 198         paragraphs.clear();
 199         paragraphs.push_back(Paragraph());
 200         paragraphs.begin()->setInsetOwner(this);
 201         paragraphs.begin()->layout(old_layout);
 202
 203         reinitLyXText();
 204         need_update = INIT;
 205 }
 206
 207
 208 auto_ptr<InsetBase> InsetText::clone() const
 209 {
 210         return auto_ptr<InsetBase>(new InsetText(*this));
 211 }
 212
 213
 214 void InsetText::write(Buffer const * buf, ostream & os) const
 215 {
 216         os << "Text\n";
 217         writeParagraphData(buf, os);
 218 }
 219
 220
 221 void InsetText::writeParagraphData(Buffer const * buf, ostream & os) const
 222 {
 223         ParagraphList::const_iterator it = paragraphs.begin();
 224         ParagraphList::const_iterator end = paragraphs.end();
 225         Paragraph::depth_type dth = 0;
 226         for (; it != end; ++it) {
 227                 it->write(buf, os, buf->params, dth);
 228         }
 229 }
 230
 231
 232 void InsetText::read(Buffer const * buf, LyXLex & lex)
 233 {
 234         string token;
 235         Paragraph::depth_type depth = 0;
 236
 237         clear(false);
 238
 239         if (buf->params.tracking_changes)
 240                 paragraphs.begin()->trackChanges();
 241
 242         // delete the initial paragraph
 243         paragraphs.clear();
 244         ParagraphList::iterator pit = paragraphs.begin();
 245
 246         while (lex.isOK()) {
 247                 lex.nextToken();
 248                 token = lex.getString();
 249                 if (token.empty())
 250                         continue;
 251                 if (token == "\\end_inset") {
 252                         break;
 253                 }
 254
 255                 if (token == "\\end_document") {
 256                         lex.printError("\\end_document read in inset! Error in document!");
 257                         return;
 258                 }
 259
 260                 // FIXME: ugly.
 261                 const_cast<Buffer*>(buf)->readParagraph(lex, token, paragraphs, pit, depth);
 262         }
 263
 264         pit = paragraphs.begin();
 265         ParagraphList::iterator const end = paragraphs.end();
 266         for (; pit != end; ++pit)
 267                 pit->setInsetOwner(this);
 268
 269         if (token != "\\end_inset") {
 270                 lex.printError("Missing \\end_inset at this point. "
 271                                            "Read: `$$Token'");
 272         }
 273         need_update = FULL;
 274 }
 275
 276
 277 void InsetText::metrics(MetricsInfo & mi, Dimension & dim) const
 278 {
 279         //lyxerr << "InsetText::metrics: width: " << mi.base.textwidth << endl;
 280
 281         textwidth_ = mi.base.textwidth;
 282         BufferView * bv = mi.base.bv;
 283         setViewCache(bv);
 284         text_.metrics(mi, dim);
 285         dim.asc += TEXT_TO_INSET_OFFSET;
 286         dim.des += TEXT_TO_INSET_OFFSET;
 287         dim.wid += 2 * TEXT_TO_INSET_OFFSET;
 288         dim.wid = max(dim.wid, 10);
 289         dim_ = dim;
 290 }
 291
 292
 293 int InsetText::textWidth() const
 294 {
 295         return textwidth_;
 296 }
 297
 298
 299 void InsetText::draw(PainterInfo & pi, int x, int baseline) const
 300 {
 301         // update our idea of where we are. Clearly, we should
 302         // not have to know this information.
 303         top_x = x;
 304
 305         int const start_x = x;
 306
 307         BufferView * bv = pi.base.bv;
 308         Painter & pain = pi.pain;
 309
 310         // repaint the background if needed
 311         if (backgroundColor() != LColor::background)
 312                 clearInset(bv, start_x + TEXT_TO_INSET_OFFSET, baseline);
 313
 314         // no draw is necessary !!!
 315         if (drawFrame_ == LOCKED && !locked && paragraphs.begin()->empty()) {
 316                 top_baseline = baseline;
 317                 need_update = NONE;
 318                 return;
 319         }
 320
 321         bv->hideCursor();
 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() - x + drawTextXOffset;
 336                 inset_y = ciy() + drawTextYOffset;
 337         }
 338
 339         x += TEXT_TO_INSET_OFFSET;
 340
 341         RowList::iterator rit = text_.rows().begin();
 342         RowList::iterator end = text_.rows().end();
 343
 344         int y_offset = baseline - rit->ascent_of_text();
 345         int y2 = pain.paperHeight();
 346         int first = 0;
 347         int y = y_offset;
 348         while (rit != end && y + rit->height() <= 0) {
 349                 y += rit->height();
 350                 first += rit->height();
 351                 ++rit;
 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 yo = y_offset + first;
 363
 364         paintRows(*bv, text_, rit, x, 0, yo, y2, yo);
 365
 366         if (drawFrame_ == ALWAYS || (drawFrame_ == LOCKED && locked))
 367                 drawFrame(pain, int(start_x));
 368
 369         if (need_update != INIT)
 370                 need_update = NONE;
 371 }
 372
 373
 374 void InsetText::drawFrame(Painter & pain, int x) const
 375 {
 376         static int const ttoD2 = TEXT_TO_INSET_OFFSET / 2;
 377         frame_x = x + ttoD2;
 378         frame_y = top_baseline - dim_.asc + ttoD2;
 379         frame_w = dim_.wid - TEXT_TO_INSET_OFFSET;
 380         frame_h = dim_.asc + dim_.des - TEXT_TO_INSET_OFFSET;
 381         pain.rectangle(frame_x, frame_y, frame_w, frame_h,
 382                        frame_color);
 383 }
 384
 385
 386 void InsetText::setUpdateStatus(int what) const
 387 {
 388         need_update |= what;
 389         // this to not draw a selection when we redraw all of it!
 390         if (need_update & CURSOR && !(need_update & SELECTION)) {
 391                 if (text_.selection.set())
 392                         need_update = FULL;
 393                 text_.clearSelection();
 394         }
 395 }
 396
 397
 398 void InsetText::updateLocal(BufferView * bv, int what, bool mark_dirty)
 399 {
 400         if (!bv)
 401                 return;
 402
 403         if (!autoBreakRows && paragraphs.size() > 1)
 404                 collapseParagraphs(bv);
 405
 406         text_.partialRebreak();
 407         setUpdateStatus(what);
 408         bool flag = mark_dirty ||
 409                 (need_update != CURSOR && need_update != NONE) ||
 410                 text_.selection.set();
 411         if (!text_.selection.set())
 412                 text_.selection.cursor = text_.cursor;
 413
 414         bv->fitCursor();
 415
 416         if (flag)
 417                 bv->updateInset(const_cast<InsetText *>(this));
 418
 419         if (need_update == CURSOR)
 420                 need_update = NONE;
 421         bv->owner()->view_state_changed();
 422         bv->owner()->updateMenubar();
 423         bv->owner()->updateToolbar();
 424         if (old_par != cpar()) {
 425                 bv->owner()->setLayout(cpar()->layout()->name());
 426                 old_par = cpar();
 427         }
 428 }
 429
 430
 431 string const InsetText::editMessage() const
 432 {
 433         return _("Opened Text Inset");
 434 }
 435
 436
 437 void InsetText::insetUnlock(BufferView * bv)
 438 {
 439         if (the_locking_inset) {
 440                 the_locking_inset->insetUnlock(bv);
 441                 the_locking_inset = 0;
 442                 updateLocal(bv, CURSOR_PAR, false);
 443         }
 444         no_selection = true;
 445         locked = false;
 446         int code = NONE;
 447
 448         if (text_.selection.set()) {
 449                 text_.clearSelection();
 450                 code = FULL;
 451         } else if (owner()) {
 452                 bv->owner()->setLayout(owner()->getLyXText(bv)
 453                                        ->cursor.par()->layout()->name());
 454         } else
 455                 bv->owner()->setLayout(bv->text->cursor.par()->layout()->name());
 456         // hack for deleteEmptyParMech
 457         ParagraphList::iterator first_par = paragraphs.begin();
 458         if (!first_par->empty()) {
 459                 text_.setCursor(first_par, 0);
 460         } else if (paragraphs.size() > 1) {
 461                 text_.setCursor(boost::next(first_par), 0);
 462         }
 463 #if 0
 464         updateLocal(bv, code, false);
 465 #else
 466         if (code != NONE)
 467                 setUpdateStatus(code);
 468 #endif
 469 }
 470
 471
 472 void InsetText::lockInset(BufferView * bv)
 473 {
 474         locked = true;
 475         the_locking_inset = 0;
 476         inset_pos = inset_x = inset_y = 0;
 477         inset_boundary = false;
 478         inset_par = paragraphs.end();
 479         old_par = paragraphs.end();
 480         text_.setCursorIntern(paragraphs.begin(), 0);
 481         text_.clearSelection();
 482         finishUndo();
 483         // If the inset is empty set the language of the current font to the
 484         // language to the surronding text (if different).
 485         if (paragraphs.begin()->empty() && paragraphs.size() == 1 &&
 486                 bv->getParentLanguage(this) != text_.current_font.language()) {
 487                 LyXFont font(LyXFont::ALL_IGNORE);
 488                 font.setLanguage(bv->getParentLanguage(this));
 489                 setFont(bv, font, false);
 490         }
 491         int code = CURSOR;
 492         if (drawFrame_ == LOCKED)
 493                 code = CURSOR|DRAW_FRAME;
 494         setUpdateStatus(code);
 495 }
 496
 497
 498 void InsetText::lockInset(BufferView * /*bv*/, UpdatableInset * inset)
 499 {
 500         the_locking_inset = inset;
 501         inset_x = cix() - top_x + drawTextXOffset;
 502         inset_y = ciy() + drawTextYOffset;
 503         inset_pos = cpos();
 504         inset_par = cpar();
 505         inset_boundary = cboundary();
 506         //updateLocal(bv, CURSOR, false);
 507 }
 508
 509
 510 bool InsetText::lockInsetInInset(BufferView * bv, UpdatableInset * inset)
 511 {
 512         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 513                               << inset << "): " << endl;
 514         if (!inset)
 515                 return false;
 516         if (!the_locking_inset) {
 517                 ParagraphList::iterator pit = paragraphs.begin();
 518                 ParagraphList::iterator pend = paragraphs.end();
 519
 520                 int const id = inset->id();
 521                 for (; pit != pend; ++pit) {
 522                         InsetList::iterator it = pit->insetlist.begin();
 523                         InsetList::iterator const end = pit->insetlist.end();
 524                         for (; it != end; ++it) {
 525                                 if (it->inset == inset) {
 526                                         lyxerr << "InsetText::lockInsetInInset: 1 a" << endl;
 527                                         text_.setCursorIntern(pit, it->pos);
 528                                         lyxerr << "InsetText::lockInsetInInset: 1 b" << endl;
 529                                         lyxerr << "bv: " << bv << " inset: " << inset << endl;
 530                                         lockInset(bv, inset);
 531                                         lyxerr << "InsetText::lockInsetInInset: 1 c" << endl;
 532                                         return true;
 533                                 }
 534                                 if (it->inset->getInsetFromID(id)) {
 535                                         lyxerr << "InsetText::lockInsetInInset: 2" << endl;
 536                                         text_.setCursorIntern(pit, it->pos);
 537                                         it->inset->localDispatch(FuncRequest(bv, LFUN_INSET_EDIT));
 538                                         return the_locking_inset->lockInsetInInset(bv, inset);
 539                                 }
 540                         }
 541                 }
 542                 lyxerr << "InsetText::lockInsetInInset: 3" << endl;
 543                 return false;
 544         }
 545         if (inset == cpar()->getInset(cpos())) {
 546                 lyxerr[Debug::INSETS] << "OK" << endl;
 547                 lockInset(bv, inset);
 548                 return true;
 549         }
 550
 551         if (the_locking_inset && the_locking_inset == inset) {
 552                 if (cpar() == inset_par && cpos() == inset_pos) {
 553                         lyxerr[Debug::INSETS] << "OK" << endl;
 554                         inset_x = cix() - top_x + drawTextXOffset;
 555                         inset_y = ciy() + drawTextYOffset;
 556                 } else {
 557                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 558                 }
 559         } else if (the_locking_inset) {
 560                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 561                 return the_locking_inset->lockInsetInInset(bv, inset);
 562         }
 563         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 564         return false;
 565 }
 566
 567
 568 bool InsetText::unlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 569                                    bool lr)
 570 {
 571         if (!the_locking_inset)
 572                 return false;
 573         if (the_locking_inset == inset) {
 574                 the_locking_inset->insetUnlock(bv);
 575                 getLyXText(bv)->updateInset(inset);
 576                 the_locking_inset = 0;
 577                 if (lr)
 578                         moveRightIntern(bv, true, false);
 579                 old_par = paragraphs.end(); // force layout setting
 580                 if (scroll())
 581                         scroll(bv, 0.0F);
 582                 else
 583                         updateLocal(bv, CURSOR, false);
 584                 return true;
 585         }
 586         return the_locking_inset->unlockInsetInInset(bv, inset, lr);
 587 }
 588
 589
 590 bool InsetText::updateInsetInInset(BufferView * bv, InsetOld * inset)
 591 {
 592         if (!autoBreakRows && paragraphs.size() > 1)
 593                 collapseParagraphs(bv);
 594
 595         if (inset == this)
 596                 return true;
 597
 598         if (inset->owner() != this) {
 599                 int ustat = CURSOR_PAR;
 600                 bool found = false;
 601                 UpdatableInset * tl_inset = the_locking_inset;
 602                 if (tl_inset)
 603                         found = tl_inset->updateInsetInInset(bv, inset);
 604                 if (!found) {
 605                         tl_inset = static_cast<UpdatableInset *>(inset);
 606                         while(tl_inset->owner() && tl_inset->owner() != this)
 607                                 tl_inset = static_cast<UpdatableInset *>(tl_inset->owner());
 608                         if (!tl_inset->owner())
 609                                 return false;
 610                         found = tl_inset->updateInsetInInset(bv, inset);
 611                         ustat = FULL;
 612                 } else {
 613                         text_.updateInset(tl_inset);
 614                         setUpdateStatus(ustat);
 615                 }
 616                 return found;
 617         }
 618         bool found = text_.updateInset(inset);
 619         if (found) {
 620                 setUpdateStatus(CURSOR_PAR);
 621                 if (the_locking_inset &&
 622                     cpar() == inset_par && cpos() == inset_pos)
 623                 {
 624                         inset_x = cix() - top_x + drawTextXOffset;
 625                         inset_y = ciy() + drawTextYOffset;
 626                 }
 627         }
 628         return found;
 629 }
 630
 631
 632 void InsetText::lfunMousePress(FuncRequest const & cmd)
 633 {
 634         no_selection = true;
 635
 636         // use this to check mouse motion for selection!
 637         mouse_x = cmd.x;
 638         mouse_y = cmd.y;
 639
 640         BufferView * bv = cmd.view();
 641         FuncRequest cmd1 = cmd;
 642         cmd1.x -= inset_x;
 643         cmd1.y -= inset_y;
 644         if (!locked)
 645                 lockInset(bv);
 646
 647         int tmp_x = cmd.x - drawTextXOffset;
 648         int tmp_y = cmd.y + dim_.asc - getLyXText(bv)->top_y();
 649         InsetOld * inset = getLyXText(bv)->checkInsetHit(tmp_x, tmp_y);
 650
 651         if (the_locking_inset) {
 652                 if (the_locking_inset == inset) {
 653                         the_locking_inset->localDispatch(cmd1);
 654                         return;
 655                 }
 656                 // otherwise only unlock the_locking_inset
 657                 the_locking_inset->insetUnlock(bv);
 658                 the_locking_inset = 0;
 659         }
 660         if (!inset)
 661                 no_selection = false;
 662
 663         if (bv->theLockingInset()) {
 664                 if (isHighlyEditableInset(inset)) {
 665                         // We just have to lock the inset before calling a
 666                         // PressEvent on it!
 667                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 668                         if (!bv->lockInset(uinset)) {
 669                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 670                         }
 671                         inset->localDispatch(cmd1);
 672                         if (the_locking_inset)
 673                                 updateLocal(bv, CURSOR, false);
 674                         return;
 675                 }
 676         }
 677         if (!inset) {
 678                 bool paste_internally = false;
 679                 if (cmd.button() == mouse_button::button2 && getLyXText(bv)->selection.set()) {
 680                         localDispatch(FuncRequest(bv, LFUN_COPY));
 681                         paste_internally = true;
 682                 }
 683                 int old_top_y = text_.top_y();
 684
 685                 text_.setCursorFromCoordinates(cmd.x - drawTextXOffset,
 686                                              cmd.y + dim_.asc);
 687                 // set the selection cursor!
 688                 text_.selection.cursor = text_.cursor;
 689                 text_.cursor.x_fix(text_.cursor.x());
 690
 691                 if (text_.selection.set()) {
 692                         text_.clearSelection();
 693                         updateLocal(bv, FULL, false);
 694                 } else {
 695                         text_.clearSelection();
 696                         updateLocal(bv, CURSOR, false);
 697                 }
 698
 699                 bv->owner()->setLayout(cpar()->layout()->name());
 700
 701                 // we moved the view we cannot do mouse selection in this case!
 702                 if (getLyXText(bv)->top_y() != old_top_y)
 703                         no_selection = true;
 704                 old_par = cpar();
 705                 // Insert primary selection with middle mouse
 706                 // if there is a local selection in the current buffer,
 707                 // insert this
 708                 if (cmd.button() == mouse_button::button2) {
 709                         if (paste_internally)
 710                                 localDispatch(FuncRequest(bv, LFUN_PASTE));
 711                         else
 712                                 localDispatch(FuncRequest(bv, LFUN_PASTESELECTION, "paragraph"));
 713                 }
 714         } else {
 715                 getLyXText(bv)->clearSelection();
 716         }
 717 }
 718
 719
 720 bool InsetText::lfunMouseRelease(FuncRequest const & cmd)
 721 {
 722         BufferView * bv = cmd.view();
 723         FuncRequest cmd1 = cmd;
 724         cmd1.x -= inset_x;
 725         cmd1.y -= inset_y;
 726
 727         no_selection = true;
 728         if (the_locking_inset)
 729                 return the_locking_inset->localDispatch(cmd1);
 730
 731         int tmp_x = cmd.x - drawTextXOffset;
 732         int tmp_y = cmd.y + dim_.asc - getLyXText(bv)->top_y();
 733         InsetOld * inset = getLyXText(bv)->checkInsetHit(tmp_x, tmp_y);
 734         bool ret = false;
 735         if (inset) {
 736 // This code should probably be removed now. Simple insets
 737 // (!highlyEditable) can actually take the localDispatch,
 738 // and turn it into edit() if necessary. But we still
 739 // need to deal properly with the whole relative vs.
 740 // absolute mouse co-ords thing in a realiable, sensible way
 741 #if 0
 742                 if (isHighlyEditableInset(inset))
 743                         ret = inset->localDispatch(cmd1);
 744                 else {
 745                         inset_x = cix(bv) - top_x + drawTextXOffset;
 746                         inset_y = ciy() + drawTextYOffset;
 747                         cmd1.x = cmd.x - inset_x;
 748                         cmd1.y = cmd.x - inset_y;
 749                         inset->edit(bv, cmd1.x, cmd1.y, cmd.button());
 750                         ret = true;
 751                 }
 752 #endif
 753                 ret = inset->localDispatch(cmd1);
 754                 updateLocal(bv, CURSOR_PAR, false);
 755
 756         }
 757         return ret;
 758 }
 759
 760
 761 void InsetText::lfunMouseMotion(FuncRequest const & cmd)
 762 {
 763         FuncRequest cmd1 = cmd;
 764         cmd1.x -= inset_x;
 765         cmd1.y -= inset_y;
 766
 767         if (the_locking_inset) {
 768                 the_locking_inset->localDispatch(cmd1);
 769                 return;
 770         }
 771
 772         if (no_selection || (mouse_x == cmd.x && mouse_y == cmd.y))
 773                 return;
 774
 775         BufferView * bv = cmd.view();
 776         LyXCursor cur = text_.cursor;
 777         text_.setCursorFromCoordinates
 778                 (cmd.x - drawTextXOffset, cmd.y + dim_.asc);
 779         text_.cursor.x_fix(text_.cursor.x());
 780         if (cur == text_.cursor)
 781                 return;
 782         text_.setSelection();
 783         updateLocal(bv, SELECTION, false);
 784 }
 785
 786
 787 InsetOld::RESULT InsetText::localDispatch(FuncRequest const & cmd)
 788 {
 789         BufferView * bv = cmd.view();
 790         setViewCache(bv);
 791
 792         switch (cmd.action) {
 793         case LFUN_INSET_EDIT: {
 794                 UpdatableInset::localDispatch(cmd);
 795
 796                 if (!bv->lockInset(this)) {
 797                         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 798                         return DISPATCHED;
 799                 }
 800
 801                 locked = true;
 802                 the_locking_inset = 0;
 803                 inset_pos = 0;
 804                 inset_x = 0;
 805                 inset_y = 0;
 806                 inset_boundary = false;
 807                 inset_par = paragraphs.end();
 808                 old_par = paragraphs.end();
 809
 810
 811                 if (cmd.argument.size()) {
 812                         if (cmd.argument == "left")
 813                                 text_.setCursorIntern(paragraphs.begin(), 0);
 814                         else {
 815                                 ParagraphList::iterator it = boost::prior(paragraphs.end());
 816                                 text_.setCursor(it, it->size());
 817                         }
 818                 } else {
 819                         int tmp_y = (cmd.y < 0) ? 0 : cmd.y;
 820                         // we put here -1 and not button as now the button in the
 821                         // edit call should not be needed we will fix this in 1.3.x
 822                         // cycle hopefully (Jug 20020509)
 823                         // FIXME: GUII I've changed this to none: probably WRONG
 824                         if (!checkAndActivateInset(bv, cmd.x, tmp_y, mouse_button::none)) {
 825                                 text_.setCursorFromCoordinates(cmd.x - drawTextXOffset,
 826                                                                         cmd.y + dim_.asc);
 827                                 text_.cursor.x_fix(text_.cursor.x());
 828                         }
 829                 }
 830
 831                 text_.clearSelection();
 832                 finishUndo();
 833
 834                 // If the inset is empty set the language of the current font to the
 835                 // language to the surronding text (if different).
 836                 if (paragraphs.begin()->empty() &&
 837                     paragraphs.size() == 1 &&
 838                     bv->getParentLanguage(this) != text_.current_font.language())
 839                 {
 840                         LyXFont font(LyXFont::ALL_IGNORE);
 841                         font.setLanguage(bv->getParentLanguage(this));
 842                         setFont(bv, font, false);
 843                 }
 844
 845                 int code = CURSOR;
 846                 if (drawFrame_ == LOCKED)
 847                         code = CURSOR | DRAW_FRAME;
 848
 849                 updateLocal(bv, code, false);
 850                 // Tell the paragraph dialog that we've entered an insettext.
 851                 bv->dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
 852                 return DISPATCHED;
 853         }
 854
 855         case LFUN_MOUSE_PRESS:
 856                 lfunMousePress(cmd);
 857                 return DISPATCHED;
 858
 859         case LFUN_MOUSE_MOTION:
 860                 lfunMouseMotion(cmd);
 861                 return DISPATCHED;
 862
 863         case LFUN_MOUSE_RELEASE:
 864                 return lfunMouseRelease(cmd) ? DISPATCHED : UNDISPATCHED;
 865
 866         default:
 867                 break;
 868         }
 869
 870         bool was_empty = (paragraphs.begin()->empty() &&
 871                           paragraphs.size() == 1);
 872
 873         no_selection = false;
 874         RESULT result = UpdatableInset::localDispatch(cmd);
 875         if (result != UNDISPATCHED)
 876                 return DISPATCHED;
 877
 878         result = DISPATCHED;
 879         if (cmd.action < 0 && cmd.argument.empty())
 880                 return FINISHED;
 881
 882         if (the_locking_inset) {
 883                 result = the_locking_inset->localDispatch(cmd);
 884                 if (result == DISPATCHED_NOUPDATE)
 885                         return result;
 886                 else if (result == DISPATCHED) {
 887                         updateLocal(bv, CURSOR_PAR, false);
 888                         return result;
 889                 } else if (result >= FINISHED) {
 890                         switch (result) {
 891                         case FINISHED_RIGHT:
 892                                 moveRightIntern(bv, false, false);
 893                                 result = DISPATCHED;
 894                                 break;
 895                         case FINISHED_UP:
 896                                 if ((result = moveUp(bv)) >= FINISHED) {
 897                                         updateLocal(bv, CURSOR, false);
 898                                         bv->unlockInset(this);
 899                                 }
 900                                 break;
 901                         case FINISHED_DOWN:
 902                                 if ((result = moveDown(bv)) >= FINISHED) {
 903                                         updateLocal(bv, CURSOR, false);
 904                                         bv->unlockInset(this);
 905                                 }
 906                                 break;
 907                         default:
 908                                 result = DISPATCHED;
 909                                 break;
 910                         }
 911                         the_locking_inset = 0;
 912                         updateLocal(bv, CURSOR, false);
 913                         // make sure status gets reset immediately
 914                         bv->owner()->clearMessage();
 915                         return result;
 916                 }
 917         }
 918         int updwhat = 0;
 919         int updflag = false;
 920
 921         // what type of update to do on a cursor movement
 922         int cursor_update = CURSOR;
 923
 924         if (text_.selection.set())
 925                 cursor_update = SELECTION;
 926
 927         switch (cmd.action) {
 928
 929         // Normal chars
 930         case LFUN_SELFINSERT:
 931                 if (bv->buffer()->isReadonly()) {
 932 //          setErrorMessage(N_("Document is read only"));
 933                         break;
 934                 }
 935                 if (!cmd.argument.empty()) {
 936                         /* Automatically delete the currently selected
 937                          * text and replace it with what is being
 938                          * typed in now. Depends on lyxrc settings
 939                          * "auto_region_delete", which defaults to
 940                          * true (on). */
 941 #if 0
 942                         // This should not be needed here and is also WRONG!
 943                         recordUndo(bv, Undo::INSERT, text_.cursor.par());
 944 #endif
 945                         bv->switchKeyMap();
 946                         if (lyxrc.auto_region_delete) {
 947                                 if (text_.selection.set()) {
 948                                         text_.cutSelection(false, false);
 949                                 }
 950                         }
 951                         text_.clearSelection();
 952                         for (string::size_type i = 0; i < cmd.argument.length(); ++i) {
 953                                 bv->owner()->getIntl().getTransManager().
 954                                         TranslateAndInsert(cmd.argument[i], &text_);
 955                         }
 956                 }
 957                 text_.selection.cursor = text_.cursor;
 958                 updwhat = CURSOR | CURSOR_PAR;
 959                 updflag = true;
 960                 result = DISPATCHED_NOUPDATE;
 961                 break;
 962
 963         // cursor movements that need special handling
 964
 965         case LFUN_RIGHT:
 966                 result = moveRight(bv);
 967                 finishUndo();
 968                 updwhat = cursor_update;
 969                 break;
 970         case LFUN_LEFT:
 971                 finishUndo();
 972                 result = moveLeft(bv);
 973                 updwhat = cursor_update;
 974                 break;
 975         case LFUN_DOWN:
 976                 finishUndo();
 977                 result = moveDown(bv);
 978                 updwhat = cursor_update;
 979                 break;
 980         case LFUN_UP:
 981                 finishUndo();
 982                 result = moveUp(bv);
 983                 updwhat = cursor_update;
 984                 break;
 985
 986         case LFUN_PRIOR:
 987                 if (crow() == text_.rows().begin())
 988                         result = FINISHED_UP;
 989                 else {
 990                         text_.cursorPrevious();
 991                         text_.clearSelection();
 992                         result = DISPATCHED_NOUPDATE;
 993                 }
 994                 updwhat = cursor_update;
 995                 break;
 996
 997         case LFUN_NEXT:
 998                 if (boost::next(crow()) == text_.rows().end())
 999                         result = FINISHED_DOWN;
1000                 else {
1001                         text_.cursorNext();
1002                         text_.clearSelection();
1003                         result = DISPATCHED_NOUPDATE;
1004                 }
1005                 updwhat = cursor_update;
1006                 break;
1007
1008         case LFUN_BACKSPACE: {
1009                 if (text_.selection.set())
1010                         text_.cutSelection(true, false);
1011                 else
1012                         text_.backspace();
1013                 updwhat = CURSOR_PAR;
1014                 updflag = true;
1015                 break;
1016         }
1017
1018         case LFUN_DELETE: {
1019                 if (text_.selection.set()) {
1020                         text_.cutSelection(true, false);
1021                 } else {
1022                         text_.Delete();
1023                 }
1024                 updwhat = CURSOR_PAR;
1025                 updflag = true;
1026                 break;
1027         }
1028
1029         case LFUN_CUT: {
1030                 text_.cutSelection(true, true);
1031                 updwhat = CURSOR_PAR;
1032                 updflag = true;
1033                 break;
1034         }
1035
1036         case LFUN_COPY:
1037                 finishUndo();
1038                 text_.copySelection();
1039                 updwhat = CURSOR_PAR;
1040                 break;
1041
1042         case LFUN_PASTESELECTION:
1043         {
1044                 string const clip(bv->getClipboard());
1045
1046                 if (clip.empty())
1047                         break;
1048                 if (cmd.argument == "paragraph") {
1049                         text_.insertStringAsParagraphs(clip);
1050                 } else {
1051                         text_.insertStringAsLines(clip);
1052                 }
1053                 // bug 393
1054                 text_.clearSelection();
1055
1056                 updwhat = CURSOR_PAR;
1057                 updflag = true;
1058                 break;
1059         }
1060
1061         case LFUN_PASTE: {
1062                 if (!autoBreakRows) {
1063                         if (CutAndPaste::nrOfParagraphs() > 1) {
1064 #ifdef WITH_WARNINGS
1065 #warning FIXME horrendously bad UI
1066 #endif
1067                                 Alert::error(_("Paste failed"), _("Cannot include more than one paragraph."));
1068                                 break;
1069                         }
1070                 }
1071
1072                 replaceSelection(bv->getLyXText());
1073                 size_t sel_index = 0;
1074                 string const & arg = cmd.argument;
1075                 if (isStrUnsignedInt(arg)) {
1076                         size_t const paste_arg = strToUnsignedInt(arg);
1077 #warning FIXME Check if the arg is in the domain of available selections.
1078                         sel_index = paste_arg;
1079                 }
1080                 text_.pasteSelection(sel_index);
1081                 // bug 393
1082                 text_.clearSelection();
1083                 updwhat = CURSOR_PAR;
1084                 updflag = true;
1085                 break;
1086         }
1087
1088         case LFUN_BREAKPARAGRAPH:
1089                 if (!autoBreakRows) {
1090                         result = DISPATCHED;
1091                         break;
1092                 }
1093                 replaceSelection(bv->getLyXText());
1094                 text_.breakParagraph(paragraphs, 0);
1095                 updwhat = CURSOR | FULL;
1096                 updflag = true;
1097                 break;
1098
1099         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1100                 if (!autoBreakRows) {
1101                         result = DISPATCHED;
1102                         break;
1103                 }
1104                 replaceSelection(bv->getLyXText());
1105                 text_.breakParagraph(paragraphs, 1);
1106                 updwhat = CURSOR | FULL;
1107                 updflag = true;
1108                 break;
1109
1110         case LFUN_BREAKLINE: {
1111                 if (!autoBreakRows) {
1112                         result = DISPATCHED;
1113                         break;
1114                 }
1115
1116                 replaceSelection(bv->getLyXText());
1117                 text_.insertInset(new InsetNewline);
1118                 updwhat = CURSOR | CURSOR_PAR;
1119                 updflag = true;
1120                 break;
1121         }
1122
1123         case LFUN_LAYOUT:
1124                 // do not set layouts on non breakable textinsets
1125                 if (autoBreakRows) {
1126                         string cur_layout = cpar()->layout()->name();
1127
1128                         // Derive layout number from given argument (string)
1129                         // and current buffer's textclass (number). */
1130                         LyXTextClass const & tclass =
1131                                 bv->buffer()->params.getLyXTextClass();
1132                         string layout = cmd.argument;
1133                         bool hasLayout = tclass.hasLayout(layout);
1134
1135                         // If the entry is obsolete, use the new one instead.
1136                         if (hasLayout) {
1137                                 string const & obs =
1138                                         tclass[layout]->obsoleted_by();
1139                                 if (!obs.empty())
1140                                         layout = obs;
1141                         }
1142
1143                         // see if we found the layout number:
1144                         if (!hasLayout) {
1145                                 FuncRequest lf(LFUN_MESSAGE, N_("Layout ") + cmd.argument + N_(" not known"));
1146                                 bv->owner()->dispatch(lf);
1147                                 break;
1148                         }
1149
1150                         if (cur_layout != layout) {
1151                                 cur_layout = layout;
1152                                 text_.setLayout(layout);
1153                                 bv->owner()->setLayout(cpar()->layout()->name());
1154                                 updwhat = CURSOR_PAR;
1155                                 updflag = true;
1156                         }
1157                 } else {
1158                         // reset the layout box
1159                         bv->owner()->setLayout(cpar()->layout()->name());
1160                 }
1161                 break;
1162         case LFUN_PARAGRAPH_SPACING:
1163                 // This one is absolutely not working. When fiddling with this
1164                 // it also seems to me that the paragraphs inside the insettext
1165                 // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1166                 // FIXME: how old is this comment ? ...
1167         {
1168                 ParagraphList::iterator pit = text_.cursor.par();
1169                 Spacing::Space cur_spacing = pit->params().spacing().getSpace();
1170                 float cur_value = 1.0;
1171                 if (cur_spacing == Spacing::Other) {
1172                         cur_value = pit->params().spacing().getValue();
1173                 }
1174
1175                 istringstream istr(STRCONV(cmd.argument));
1176                 string tmp;
1177                 istr >> tmp;
1178                 Spacing::Space new_spacing = cur_spacing;
1179                 float new_value = cur_value;
1180                 if (tmp.empty()) {
1181                         lyxerr << "Missing argument to `paragraph-spacing'"
1182                                    << endl;
1183                 } else if (tmp == "single") {
1184                         new_spacing = Spacing::Single;
1185                 } else if (tmp == "onehalf") {
1186                         new_spacing = Spacing::Onehalf;
1187                 } else if (tmp == "double") {
1188                         new_spacing = Spacing::Double;
1189                 } else if (tmp == "other") {
1190                         new_spacing = Spacing::Other;
1191                         float tmpval = 0.0;
1192                         istr >> tmpval;
1193                         lyxerr << "new_value = " << tmpval << endl;
1194                         if (tmpval != 0.0)
1195                                 new_value = tmpval;
1196                 } else if (tmp == "default") {
1197                         new_spacing = Spacing::Default;
1198                 } else {
1199                         lyxerr << _("Unknown spacing argument: ")
1200                                    << cmd.argument << endl;
1201                 }
1202                 if (cur_spacing != new_spacing || cur_value != new_value) {
1203                         pit->params().spacing(Spacing(new_spacing, new_value));
1204                         updwhat = CURSOR_PAR;
1205                         updflag = true;
1206                 }
1207         }
1208         break;
1209
1210         // These need to do repaints but don't require
1211         // special handling otherwise. A *lot* of the
1212         // above could probably be done similarly ...
1213
1214         case LFUN_HOME:
1215         case LFUN_END:
1216         case LFUN_WORDLEFT:
1217         case LFUN_WORDRIGHT:
1218         // these two are really unhandled ...
1219         case LFUN_ENDBUF:
1220         case LFUN_BEGINNINGBUF:
1221                 updwhat = cursor_update;
1222                 if (!bv->dispatch(cmd))
1223                         result = UNDISPATCHED;
1224                 break;
1225
1226         case LFUN_RIGHTSEL:
1227         case LFUN_UPSEL:
1228         case LFUN_DOWNSEL:
1229         case LFUN_LEFTSEL:
1230         case LFUN_HOMESEL:
1231         case LFUN_ENDSEL:
1232         case LFUN_WORDLEFTSEL:
1233         case LFUN_WORDRIGHTSEL:
1234                 updwhat = SELECTION;
1235
1236                 // fallthrough
1237
1238         default:
1239                 if (!bv->dispatch(cmd))
1240                         result = UNDISPATCHED;
1241                 break;
1242         }
1243
1244         if (updwhat > 0)
1245                 updateLocal(bv, updwhat, updflag);
1246         /// If the action has deleted all text in the inset, we need to change the
1247         // language to the language of the surronding text.
1248         if (!was_empty && paragraphs.begin()->empty() &&
1249             paragraphs.size() == 1) {
1250                 LyXFont font(LyXFont::ALL_IGNORE);
1251                 font.setLanguage(bv->getParentLanguage(this));
1252                 setFont(bv, font, false);
1253         }
1254
1255         if (result >= FINISHED)
1256                 bv->unlockInset(this);
1257
1258         if (result == DISPATCHED_NOUPDATE && (need_update & FULL))
1259                 result = DISPATCHED;
1260         return result;
1261 }
1262
1263
1264 int InsetText::latex(Buffer const * buf, ostream & os,
1265                      LatexRunParams const & runparams) const
1266 {
1267         TexRow texrow;
1268         latexParagraphs(buf, paragraphs, os, texrow, runparams);
1269         return texrow.rows();
1270 }
1271
1272
1273 int InsetText::ascii(Buffer const * buf, ostream & os, int linelen) const
1274 {
1275         unsigned int lines = 0;
1276
1277         ParagraphList::const_iterator beg = paragraphs.begin();
1278         ParagraphList::const_iterator end = paragraphs.end();
1279         ParagraphList::const_iterator it = beg;
1280         for (; it != end; ++it) {
1281                 string const tmp = buf->asciiParagraph(*it, linelen, it == beg);
1282                 lines += lyx::count(tmp.begin(), tmp.end(), '\n');
1283                 os << tmp;
1284         }
1285         return lines;
1286 }
1287
1288
1289 int InsetText::linuxdoc(Buffer const * buf, ostream & os) const
1290 {
1291         ParagraphList::iterator pit = const_cast<ParagraphList&>(paragraphs).begin();
1292         ParagraphList::iterator pend = const_cast<ParagraphList&>(paragraphs).end();
1293
1294         // There is a confusion between the empty paragraph and the default paragraph
1295         // The default paragraph is <p></p>, the empty paragraph is *empty*
1296         // Since none of the floats of linuxdoc accepts standard paragraphs
1297         // I disable them. I don't expect problems. (jamatos 2003/07/27)
1298         for (; pit != pend; ++pit) {
1299                 const string name = pit->layout()->latexname();
1300                 if (name != "p")
1301                         sgml::openTag(os, 1, 0, name);
1302                 buf->simpleLinuxDocOnePar(os, pit, 0);
1303                 if (name != "p")
1304                         sgml::closeTag(os, 1, 0, name);
1305         }
1306         return 0;
1307 }
1308
1309
1310 int InsetText::docbook(Buffer const * buf, ostream & os, bool mixcont) const
1311 {
1312         unsigned int lines = 0;
1313
1314         vector<string> environment_stack(10);
1315         vector<string> environment_inner(10);
1316
1317         int const command_depth = 0;
1318         string item_name;
1319
1320         Paragraph::depth_type depth = 0; // paragraph depth
1321
1322         ParagraphList::iterator pit = const_cast<ParagraphList&>(paragraphs).begin();
1323         ParagraphList::iterator pend = const_cast<ParagraphList&>(paragraphs).end();
1324
1325         for (; pit != pend; ++pit) {
1326                 string sgmlparam;
1327                 int desc_on = 0; // description mode
1328
1329                 LyXLayout_ptr const & style = pit->layout();
1330
1331                 // environment tag closing
1332                 for (; depth > pit->params().depth(); --depth) {
1333                         if (environment_inner[depth] != "!-- --") {
1334                                 item_name = "listitem";
1335                                 lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
1336                                 if (environment_inner[depth] == "varlistentry")
1337                                         lines += sgml::closeTag(os, depth+command_depth, mixcont, environment_inner[depth]);
1338                         }
1339                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1340                         environment_stack[depth].erase();
1341                         environment_inner[depth].erase();
1342                 }
1343
1344                 if (depth == pit->params().depth()
1345                    && environment_stack[depth] != style->latexname()
1346                    && !environment_stack[depth].empty()) {
1347                         if (environment_inner[depth] != "!-- --") {
1348                                 item_name= "listitem";
1349                                 lines += sgml::closeTag(os, command_depth+depth, mixcont, item_name);
1350                                 if (environment_inner[depth] == "varlistentry")
1351                                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
1352                         }
1353
1354                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1355
1356                         environment_stack[depth].erase();
1357                         environment_inner[depth].erase();
1358                 }
1359
1360                 // Write opening SGML tags.
1361                 switch (style->latextype) {
1362                 case LATEX_PARAGRAPH:
1363                         lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexname());
1364                         break;
1365
1366                 case LATEX_COMMAND:
1367                         buf->error(ErrorItem(_("Error"), _("LatexType Command not allowed here.\n"), pit->id(), 0, pit->size()));
1368                         return -1;
1369                         break;
1370
1371                 case LATEX_ENVIRONMENT:
1372                 case LATEX_ITEM_ENVIRONMENT:
1373                         if (depth < pit->params().depth()) {
1374                                 depth = pit->params().depth();
1375                                 environment_stack[depth].erase();
1376                         }
1377
1378                         if (environment_stack[depth] != style->latexname()) {
1379                                 if (environment_stack.size() == depth + 1) {
1380                                         environment_stack.push_back("!-- --");
1381                                         environment_inner.push_back("!-- --");
1382                                 }
1383                                 environment_stack[depth] = style->latexname();
1384                                 environment_inner[depth] = "!-- --";
1385                                 lines += sgml::openTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1386                         } else {
1387                                 if (environment_inner[depth] != "!-- --") {
1388                                         item_name= "listitem";
1389                                         lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
1390                                         if (environment_inner[depth] == "varlistentry")
1391                                                 lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
1392                                 }
1393                         }
1394
1395                         if (style->latextype == LATEX_ENVIRONMENT) {
1396                                 if (!style->latexparam().empty()) {
1397                                         if (style->latexparam() == "CDATA")
1398                                                 os << "<![CDATA[";
1399                                         else
1400                                           lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexparam());
1401                                 }
1402                                 break;
1403                         }
1404
1405                         desc_on = (style->labeltype == LABEL_MANUAL);
1406
1407                         environment_inner[depth] = desc_on ? "varlistentry" : "listitem";
1408                         lines += sgml::openTag(os, depth + 1 + command_depth, mixcont, environment_inner[depth]);
1409
1410                         item_name = desc_on ? "term" : "para";
1411                         lines += sgml::openTag(os, depth + 1 + command_depth, mixcont, item_name);
1412
1413                         break;
1414                 default:
1415                         lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexname());
1416                         break;
1417                 }
1418
1419                 buf->simpleDocBookOnePar(os, pit, desc_on, depth + 1 + command_depth);
1420
1421                 string end_tag;
1422                 // write closing SGML tags
1423                 switch (style->latextype) {
1424                 case LATEX_ENVIRONMENT:
1425                         if (!style->latexparam().empty()) {
1426                                 if (style->latexparam() == "CDATA")
1427                                         os << "]]>";
1428                                 else
1429                                         lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexparam());
1430                         }
1431                         break;
1432                 case LATEX_ITEM_ENVIRONMENT:
1433                         if (desc_on == 1) break;
1434                         end_tag= "para";
1435                         lines += sgml::closeTag(os, depth + 1 + command_depth, mixcont, end_tag);
1436                         break;
1437                 case LATEX_PARAGRAPH:
1438                         lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexname());
1439                         break;
1440                 default:
1441                         lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexname());
1442                         break;
1443                 }
1444         }
1445
1446         // Close open tags
1447         for (int d = depth; d >= 0; --d) {
1448                 if (!environment_stack[depth].empty()) {
1449                         if (environment_inner[depth] != "!-- --") {
1450                                 item_name = "listitem";
1451                                 lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
1452                                if (environment_inner[depth] == "varlistentry")
1453                                        lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
1454                         }
1455
1456                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1457                 }
1458         }
1459
1460         return lines;
1461 }
1462
1463
1464 void InsetText::validate(LaTeXFeatures & features) const
1465 {
1466         for_each(paragraphs.begin(), paragraphs.end(),
1467                  boost::bind(&Paragraph::validate, _1, boost::ref(features)));
1468 }
1469
1470
1471 void InsetText::getCursor(BufferView & bv, int & x, int & y) const
1472 {
1473         if (the_locking_inset) {
1474                 the_locking_inset->getCursor(bv, x, y);
1475                 return;
1476         }
1477         x = cx();
1478         y = cy() + InsetText::y();
1479 }
1480
1481
1482 void InsetText::getCursorPos(BufferView * bv, int & x, int & y) const
1483 {
1484         if (the_locking_inset) {
1485                 the_locking_inset->getCursorPos(bv, x, y);
1486                 return;
1487         }
1488         x = cx() - top_x - TEXT_TO_INSET_OFFSET;
1489         y = cy() - TEXT_TO_INSET_OFFSET;
1490 }
1491
1492
1493 int InsetText::insetInInsetY() const
1494 {
1495         if (!the_locking_inset)
1496                 return 0;
1497
1498         return inset_y + the_locking_inset->insetInInsetY();
1499 }
1500
1501
1502 void InsetText::fitInsetCursor(BufferView * bv) const
1503 {
1504         if (the_locking_inset) {
1505                 the_locking_inset->fitInsetCursor(bv);
1506                 return;
1507         }
1508
1509         LyXFont const font = text_.getFont(cpar(), cpos());
1510
1511         int const asc = font_metrics::maxAscent(font);
1512         int const desc = font_metrics::maxDescent(font);
1513
1514         if (bv->fitLockedInsetCursor(cx(), cy(), asc, desc))
1515                 need_update |= FULL;
1516 }
1517
1518
1519 InsetOld::RESULT
1520 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1521 {
1522         if (text_.cursor.par()->isRightToLeftPar(bv->buffer()->params))
1523                 return moveLeftIntern(bv, false, activate_inset, selecting);
1524         else
1525                 return moveRightIntern(bv, true, activate_inset, selecting);
1526 }
1527
1528
1529 InsetOld::RESULT
1530 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1531 {
1532         if (text_.cursor.par()->isRightToLeftPar(bv->buffer()->params))
1533                 return moveRightIntern(bv, true, activate_inset, selecting);
1534         else
1535                 return moveLeftIntern(bv, false, activate_inset, selecting);
1536 }
1537
1538
1539 InsetOld::RESULT
1540 InsetText::moveRightIntern(BufferView * bv, bool front,
1541                            bool activate_inset, bool selecting)
1542 {
1543         ParagraphList::iterator c_par = cpar();
1544
1545         if (boost::next(c_par) == paragraphs.end() && cpos() >= c_par->size())
1546                 return FINISHED_RIGHT;
1547         if (activate_inset && checkAndActivateInset(bv, front))
1548                 return DISPATCHED;
1549         text_.cursorRight(bv);
1550         if (!selecting)
1551                 text_.clearSelection();
1552         return DISPATCHED_NOUPDATE;
1553 }
1554
1555
1556 InsetOld::RESULT
1557 InsetText::moveLeftIntern(BufferView * bv, bool front,
1558                           bool activate_inset, bool selecting)
1559 {
1560         if (cpar() == paragraphs.begin() && cpos() <= 0)
1561                 return FINISHED;
1562         text_.cursorLeft(bv);
1563         if (!selecting)
1564                 text_.clearSelection();
1565         if (activate_inset && checkAndActivateInset(bv, front))
1566                 return DISPATCHED;
1567         return DISPATCHED_NOUPDATE;
1568 }
1569
1570
1571 InsetOld::RESULT InsetText::moveUp(BufferView * bv)
1572 {
1573         if (crow() == text_.rows().begin())
1574                 return FINISHED_UP;
1575         text_.cursorUp(bv);
1576         text_.clearSelection();
1577         return DISPATCHED_NOUPDATE;
1578 }
1579
1580
1581 InsetOld::RESULT InsetText::moveDown(BufferView * bv)
1582 {
1583         if (boost::next(crow()) == text_.rows().end())
1584                 return FINISHED_DOWN;
1585         text_.cursorDown(bv);
1586         text_.clearSelection();
1587         return DISPATCHED_NOUPDATE;
1588 }
1589
1590
1591 bool InsetText::insertInset(BufferView * bv, InsetOld * inset)
1592 {
1593         if (the_locking_inset) {
1594                 if (the_locking_inset->insetAllowed(inset))
1595                         return the_locking_inset->insertInset(bv, inset);
1596                 return false;
1597         }
1598         inset->setOwner(this);
1599         text_.insertInset(inset);
1600         bv->fitCursor();
1601         updateLocal(bv, CURSOR_PAR|CURSOR, true);
1602         return true;
1603 }
1604
1605
1606 bool InsetText::insetAllowed(InsetOld::Code code) const
1607 {
1608         // in_insetAllowed is a really gross hack,
1609         // to allow us to call the owner's insetAllowed
1610         // without stack overflow, which can happen
1611         // when the owner uses InsetCollapsable::insetAllowed()
1612         bool ret = true;
1613         if (in_insetAllowed)
1614                 return ret;
1615         in_insetAllowed = true;
1616         if (the_locking_inset)
1617                 ret = the_locking_inset->insetAllowed(code);
1618         else if (owner())
1619                 ret = owner()->insetAllowed(code);
1620         in_insetAllowed = false;
1621         return ret;
1622 }
1623
1624
1625 UpdatableInset * InsetText::getLockingInset() const
1626 {
1627         return the_locking_inset ? the_locking_inset->getLockingInset() :
1628                 const_cast<InsetText *>(this);
1629 }
1630
1631
1632 UpdatableInset * InsetText::getFirstLockingInsetOfType(InsetOld::Code c)
1633 {
1634         if (c == lyxCode())
1635                 return this;
1636         if (the_locking_inset)
1637                 return the_locking_inset->getFirstLockingInsetOfType(c);
1638         return 0;
1639 }
1640
1641
1642 bool InsetText::showInsetDialog(BufferView * bv) const
1643 {
1644         if (the_locking_inset)
1645                 return the_locking_inset->showInsetDialog(bv);
1646         return false;
1647 }
1648
1649
1650 void InsetText::getLabelList(std::vector<string> & list) const
1651 {
1652         ParagraphList::const_iterator pit = paragraphs.begin();
1653         ParagraphList::const_iterator pend = paragraphs.end();
1654         for (; pit != pend; ++pit) {
1655                 InsetList::const_iterator beg = pit->insetlist.begin();
1656                 InsetList::const_iterator end = pit->insetlist.end();
1657                 for (; beg != end; ++beg)
1658                         beg->inset->getLabelList(list);
1659         }
1660 }
1661
1662
1663 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
1664                         bool selectall)
1665 {
1666         if (the_locking_inset) {
1667                 the_locking_inset->setFont(bv, font, toggleall, selectall);
1668                 return;
1669         }
1670
1671         if ((paragraphs.size() == 1 && paragraphs.begin()->empty())
1672             || cpar()->empty()) {
1673                 text_.setFont(font, toggleall);
1674                 return;
1675         }
1676
1677
1678         if (text_.selection.set())
1679                 recordUndo(bv, Undo::ATOMIC, text_.cursor.par());
1680
1681         if (selectall) {
1682                 text_.cursorTop();
1683                 text_.selection.cursor = text_.cursor;
1684                 text_.cursorBottom();
1685                 text_.setSelection();
1686         }
1687
1688         text_.toggleFree(font, toggleall);
1689
1690         if (selectall)
1691                 text_.clearSelection();
1692
1693         bv->fitCursor();
1694
1695         bool flag = (selectall || text_.selection.set());
1696
1697         if (flag)
1698                 updateLocal(bv, FULL, true);
1699         else
1700                 updateLocal(bv, CURSOR_PAR, true);
1701 }
1702
1703
1704 bool InsetText::checkAndActivateInset(BufferView * bv, bool front)
1705 {
1706         InsetOld * inset = cpar()->getInset(cpos());
1707         if (!isHighlyEditableInset(inset))
1708                 return false;
1709         FuncRequest cmd(bv, LFUN_INSET_EDIT, front ? "left" : "right");
1710         inset->localDispatch(cmd);
1711         if (!the_locking_inset)
1712                 return false;
1713         updateLocal(bv, CURSOR, false);
1714         return true;
1715 }
1716
1717
1718 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1719                                       mouse_button::state button)
1720 {
1721         x -= drawTextXOffset;
1722         int dummyx = x;
1723         int dummyy = y + dim_.asc;
1724         InsetOld * inset = getLyXText(bv)->checkInsetHit(dummyx, dummyy);
1725         // we only do the edit() call if the inset was hit by the mouse
1726         // or if it is a highly editable inset. So we should call this
1727         // function from our own edit with button < 0.
1728         // FIXME: GUII jbl. I've changed this to ::none for now which is probably
1729         // WRONG
1730         if (button == mouse_button::none && !isHighlyEditableInset(inset))
1731                 return false;
1732
1733         if (!inset)
1734                 return false;
1735         if (x < 0)
1736                 x = dim_.wid;
1737         if (y < 0)
1738                 y = dim_.des;
1739         inset_x = cix() - top_x + drawTextXOffset;
1740         inset_y = ciy() + drawTextYOffset;
1741         FuncRequest cmd(bv, LFUN_INSET_EDIT, x - inset_x, y - inset_y, button);
1742         inset->localDispatch(cmd);
1743         if (!the_locking_inset)
1744                 return false;
1745         updateLocal(bv, CURSOR, false);
1746         return true;
1747 }
1748
1749
1750 void InsetText::setParagraphData(ParagraphList const & plist)
1751 {
1752         // we have to unlock any locked inset otherwise we're in troubles
1753         the_locking_inset = 0;
1754
1755         // But it it makes no difference that is a lot better.
1756 #warning FIXME.
1757         // See if this can be simplified when std::list is in effect.
1758         paragraphs.clear();
1759
1760         ParagraphList::const_iterator it = plist.begin();
1761         ParagraphList::const_iterator end = plist.end();
1762         for (; it != end; ++it) {
1763                 paragraphs.push_back(*it);
1764                 paragraphs.back().setInsetOwner(this);
1765         }
1766
1767         reinitLyXText();
1768         need_update = INIT;
1769 }
1770
1771
1772 void InsetText::markNew(bool track_changes)
1773 {
1774         ParagraphList::iterator pit = paragraphs.begin();
1775         ParagraphList::iterator pend = paragraphs.end();
1776         for (; pit != pend; ++pit) {
1777                 if (track_changes) {
1778                         pit->trackChanges();
1779                 } else {
1780                         // no-op when not tracking
1781                         pit->cleanChanges();
1782                 }
1783         }
1784 }
1785
1786
1787 void InsetText::setText(string const & data, LyXFont const & font)
1788 {
1789         clear(false);
1790         for (unsigned int i = 0; i < data.length(); ++i)
1791                 paragraphs.begin()->insertChar(i, data[i], font);
1792         reinitLyXText();
1793 }
1794
1795
1796 void InsetText::setAutoBreakRows(bool flag)
1797 {
1798         if (flag != autoBreakRows) {
1799                 autoBreakRows = flag;
1800                 if (!flag)
1801                         removeNewlines();
1802                 need_update = INIT;
1803         }
1804 }
1805
1806
1807 void InsetText::setDrawFrame(BufferView * bv, DrawFrame how)
1808 {
1809         if (how != drawFrame_) {
1810                 drawFrame_ = how;
1811                 if (bv)
1812                         updateLocal(bv, DRAW_FRAME, false);
1813         }
1814 }
1815
1816
1817 void InsetText::setFrameColor(BufferView * bv, LColor::color col)
1818 {
1819         if (frame_color != col) {
1820                 frame_color = col;
1821                 if (bv)
1822                         updateLocal(bv, DRAW_FRAME, false);
1823         }
1824 }
1825
1826
1827 int InsetText::cx() const
1828 {
1829         int x = text_.cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1830         if (the_locking_inset) {
1831                 LyXFont font = text_.getFont(text_.cursor.par(), text_.cursor.pos());
1832                 if (font.isVisibleRightToLeft())
1833                         x -= the_locking_inset->width();
1834         }
1835         return x;
1836 }
1837
1838
1839 int InsetText::cix() const
1840 {
1841         int x = text_.cursor.ix() + top_x + TEXT_TO_INSET_OFFSET;
1842         if (the_locking_inset) {
1843                 LyXFont font = text_.getFont(text_.cursor.par(), text_.cursor.pos());
1844                 if (font.isVisibleRightToLeft())
1845                         x -= the_locking_inset->width();
1846         }
1847         return x;
1848 }
1849
1850
1851 int InsetText::cy() const
1852 {
1853         return text_.cursor.y() - dim_.asc + TEXT_TO_INSET_OFFSET;
1854 }
1855
1856
1857 int InsetText::ciy() const
1858 {
1859         return text_.cursor.iy() - dim_.asc + TEXT_TO_INSET_OFFSET;
1860 }
1861
1862
1863 pos_type InsetText::cpos() const
1864 {
1865         return text_.cursor.pos();
1866 }
1867
1868
1869 ParagraphList::iterator InsetText::cpar() const
1870 {
1871         return text_.cursor.par();
1872 }
1873
1874
1875 bool InsetText::cboundary() const
1876 {
1877         return text_.cursor.boundary();
1878 }
1879
1880
1881 RowList::iterator InsetText::crow() const
1882 {
1883         return text_.cursorRow();
1884 }
1885
1886
1887 LyXText * InsetText::getLyXText(BufferView const * bv,
1888                                 bool const recursive) const
1889 {
1890         setViewCache(bv);
1891         if (recursive && the_locking_inset)
1892                 return the_locking_inset->getLyXText(bv, true);
1893         return &text_;
1894 }
1895
1896
1897 void InsetText::setViewCache(BufferView const * bv) const
1898 {
1899         if (bv)
1900                 text_.bv_owner = const_cast<BufferView *>(bv);
1901 }
1902
1903
1904 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1905 {
1906         if (recursive) {
1907                 /// then remove all LyXText in text-insets
1908                 for_each(const_cast<ParagraphList&>(paragraphs).begin(),
1909                          const_cast<ParagraphList&>(paragraphs).end(),
1910                          boost::bind(&Paragraph::deleteInsetsLyXText, _1, bv));
1911         }
1912 }
1913
1914
1915 void InsetText::resizeLyXText(BufferView * bv, bool /*force*/) const
1916 {
1917         if (paragraphs.size() == 1 && paragraphs.begin()->empty())
1918                 return;
1919
1920         if (!bv)
1921                 return;
1922
1923         Assert(bv);
1924         setViewCache(bv);
1925
1926         for_each(const_cast<ParagraphList&>(paragraphs).begin(),
1927                  const_cast<ParagraphList&>(paragraphs).end(),
1928                  boost::bind(&Paragraph::resizeInsetsLyXText, _1, bv));
1929
1930         saveLyXTextState();
1931         text_.init(bv);
1932         restoreLyXTextState();
1933
1934         // seems to be unneeded
1935 #if 1
1936         if (the_locking_inset) {
1937                 inset_x = cix() - top_x + drawTextXOffset;
1938                 inset_y = ciy() + drawTextYOffset;
1939         }
1940
1941         text_.top_y(bv->screen().topCursorVisible(&text_));
1942         if (!owner()) {
1943                 const_cast<InsetText*>(this)->updateLocal(bv, FULL, false);
1944                 // this will scroll the screen such that the cursor becomes visible
1945                 bv->updateScrollbar();
1946         } else {
1947                 need_update |= FULL;
1948         }
1949 #endif
1950 }
1951
1952
1953 void InsetText::reinitLyXText() const
1954 {
1955         BufferView * bv = text_.bv_owner;
1956
1957         if (!bv)
1958                 return;
1959
1960         saveLyXTextState();
1961
1962         for_each(const_cast<ParagraphList&>(paragraphs).begin(),
1963                  const_cast<ParagraphList&>(paragraphs).end(),
1964                  boost::bind(&Paragraph::resizeInsetsLyXText, _1, bv));
1965
1966         text_.init(bv);
1967         restoreLyXTextState();
1968         if (the_locking_inset) {
1969                 inset_x = cix() - top_x + drawTextXOffset;
1970                 inset_y = ciy() + drawTextYOffset;
1971         }
1972         text_.top_y(bv->screen().topCursorVisible(&text_));
1973         if (!owner()) {
1974                 // this will scroll the screen such that the cursor becomes visible
1975                 bv->updateScrollbar();
1976         } else {
1977                 need_update = FULL;
1978         }
1979 }
1980
1981
1982 void InsetText::removeNewlines()
1983 {
1984         bool changed = false;
1985
1986         ParagraphList::iterator it = paragraphs.begin();
1987         ParagraphList::iterator end = paragraphs.end();
1988         for (; it != end; ++it) {
1989                 for (int i = 0; i < it->size(); ++i) {
1990                         if (it->isNewline(i)) {
1991                                 changed = true;
1992                                 it->erase(i);
1993                         }
1994                 }
1995         }
1996         if (changed)
1997                 reinitLyXText();
1998 }
1999
2000
2001 int InsetText::scroll(bool recursive) const
2002 {
2003         int sx = UpdatableInset::scroll(false);
2004
2005         if (recursive && the_locking_inset)
2006                 sx += the_locking_inset->scroll(recursive);
2007
2008         return sx;
2009 }
2010
2011
2012 void InsetText::clearSelection(BufferView * bv)
2013 {
2014         getLyXText(bv)->clearSelection();
2015 }
2016
2017
2018 void InsetText::clearInset(BufferView * bv, int start_x, int baseline) const
2019 {
2020         Painter & pain = bv->painter();
2021         int w = dim_.wid;
2022         int h = dim_.asc + dim_.des;
2023         int ty = baseline - dim_.asc;
2024
2025         if (ty < 0) {
2026                 h += ty;
2027                 ty = 0;
2028         }
2029         if (ty + h > pain.paperHeight())
2030                 h = pain.paperHeight();
2031         if (top_x + drawTextXOffset + w > pain.paperWidth())
2032                 w = pain.paperWidth();
2033         pain.fillRectangle(start_x + 1, ty + 1, w - 3, h - 1, backgroundColor());
2034         need_update = FULL;
2035 }
2036
2037
2038 ParagraphList * InsetText::getParagraphs(int i) const
2039 {
2040         return (i == 0) ? const_cast<ParagraphList*>(&paragraphs) : 0;
2041 }
2042
2043
2044 LyXCursor const & InsetText::cursor(BufferView * bv) const
2045 {
2046         if (the_locking_inset)
2047                 return the_locking_inset->cursor(bv);
2048         return getLyXText(bv)->cursor;
2049 }
2050
2051
2052 InsetOld * InsetText::getInsetFromID(int id_arg) const
2053 {
2054         if (id_arg == id())
2055                 return const_cast<InsetText *>(this);
2056
2057         ParagraphList::const_iterator pit = paragraphs.begin();
2058         ParagraphList::const_iterator pend = paragraphs.end();
2059         for (; pit != pend; ++pit) {
2060                 InsetList::const_iterator it = pit->insetlist.begin();
2061                 InsetList::const_iterator end = pit->insetlist.end();
2062                 for (; it != end; ++it) {
2063                         if (it->inset->id() == id_arg)
2064                                 return it->inset;
2065                         InsetOld * in = it->inset->getInsetFromID(id_arg);
2066                         if (in)
2067                                 return in;
2068                 }
2069         }
2070         return 0;
2071 }
2072
2073
2074 WordLangTuple const
2075 InsetText::selectNextWordToSpellcheck(BufferView * bv, float & value) const
2076 {
2077         WordLangTuple word;
2078         if (the_locking_inset) {
2079                 word = the_locking_inset->selectNextWordToSpellcheck(bv, value);
2080                 if (!word.word().empty()) {
2081                         value += cy();
2082                         return word;
2083                 }
2084                 // we have to go on checking so move cursor to the next char
2085                 text_.cursor.pos(text_.cursor.pos() + 1);
2086         }
2087         word = text_.selectNextWordToSpellcheck(value);
2088         if (word.word().empty())
2089                 bv->unlockInset(const_cast<InsetText *>(this));
2090         else
2091                 value = cy();
2092         return word;
2093 }
2094
2095
2096 void InsetText::selectSelectedWord(BufferView * bv)
2097 {
2098         if (the_locking_inset) {
2099                 the_locking_inset->selectSelectedWord(bv);
2100                 return;
2101         }
2102         getLyXText(bv)->selectSelectedWord();
2103         updateLocal(bv, SELECTION, false);
2104 }
2105
2106
2107 bool InsetText::nextChange(BufferView * bv, lyx::pos_type & length)
2108 {
2109         if (the_locking_inset) {
2110                 if (the_locking_inset->nextChange(bv, length))
2111                         return true;
2112                 text_.cursorRight(true);
2113         }
2114         lyx::find::SearchResult result =
2115                 lyx::find::findNextChange(bv, &text_, length);
2116
2117         if (result == lyx::find::SR_FOUND) {
2118                 LyXCursor cur = text_.cursor;
2119                 bv->unlockInset(bv->theLockingInset());
2120                 if (bv->lockInset(this))
2121                         locked = true;
2122                 text_.cursor = cur;
2123                 text_.setSelectionRange(length);
2124                 updateLocal(bv, SELECTION, false);
2125         }
2126         return result != lyx::find::SR_NOT_FOUND;
2127 }
2128
2129
2130 bool InsetText::searchForward(BufferView * bv, string const & str,
2131                               bool cs, bool mw)
2132 {
2133         if (the_locking_inset) {
2134                 if (the_locking_inset->searchForward(bv, str, cs, mw))
2135                         return true;
2136                 text_.cursorRight(true);
2137         }
2138         lyx::find::SearchResult result =
2139                 lyx::find::find(bv, &text_, str, true, cs, mw);
2140
2141         if (result == lyx::find::SR_FOUND) {
2142                 LyXCursor cur = text_.cursor;
2143                 bv->unlockInset(bv->theLockingInset());
2144                 if (bv->lockInset(this))
2145                         locked = true;
2146                 text_.cursor = cur;
2147                 text_.setSelectionRange(str.length());
2148                 updateLocal(bv, SELECTION, false);
2149         }
2150         return result != lyx::find::SR_NOT_FOUND;
2151 }
2152
2153
2154 bool InsetText::searchBackward(BufferView * bv, string const & str,
2155                                bool cs, bool mw)
2156 {
2157         if (the_locking_inset) {
2158                 if (the_locking_inset->searchBackward(bv, str, cs, mw))
2159                         return true;
2160         }
2161         if (!locked) {
2162                 ParagraphList::iterator pit = paragraphs.begin();
2163                 ParagraphList::iterator pend = paragraphs.end();
2164
2165                 while (boost::next(pit) != pend)
2166                         ++pit;
2167
2168                 text_.setCursor(pit, pit->size());
2169         }
2170         lyx::find::SearchResult result =
2171                 lyx::find::find(bv, &text_, str, false, cs, mw);
2172
2173         if (result == lyx::find::SR_FOUND) {
2174                 LyXCursor cur = text_.cursor;
2175                 bv->unlockInset(bv->theLockingInset());
2176                 if (bv->lockInset(this))
2177                         locked = true;
2178                 text_.cursor = cur;
2179                 text_.setSelectionRange(str.length());
2180                 updateLocal(bv, SELECTION, false);
2181         }
2182         return result != lyx::find::SR_NOT_FOUND;
2183 }
2184
2185
2186 bool InsetText::checkInsertChar(LyXFont & font)
2187 {
2188         if (owner())
2189                 return owner()->checkInsertChar(font);
2190         return true;
2191 }
2192
2193
2194 void InsetText::collapseParagraphs(BufferView * bv)
2195 {
2196         while (paragraphs.size() > 1) {
2197                 ParagraphList::iterator first_par = paragraphs.begin();
2198                 ParagraphList::iterator next_par = boost::next(first_par);
2199                 size_t const first_par_size = first_par->size();
2200
2201                 if (!first_par->empty() &&
2202                     !next_par->empty() &&
2203                     !first_par->isSeparator(first_par_size - 1)) {
2204                         first_par->insertChar(first_par_size, ' ');
2205                 }
2206
2207                 if (text_.selection.set()) {
2208                         if (text_.selection.start.par() == next_par) {
2209                                 text_.selection.start.par(first_par);
2210                                 text_.selection.start.pos(
2211                                         text_.selection.start.pos() + first_par_size);
2212                         }
2213                         if (text_.selection.end.par() == next_par) {
2214                                 text_.selection.end.par(first_par);
2215                                 text_.selection.end.pos(
2216                                         text_.selection.end.pos() + first_par_size);
2217                         }
2218                 }
2219
2220                 mergeParagraph(bv->buffer()->params, paragraphs, first_par);
2221         }
2222         reinitLyXText();
2223 }
2224
2225
2226 void InsetText::getDrawFont(LyXFont & font) const
2227 {
2228         if (!owner())
2229                 return;
2230         owner()->getDrawFont(font);
2231 }
2232
2233
2234 void InsetText::appendParagraphs(Buffer * buffer, ParagraphList & plist)
2235 {
2236 #warning FIXME Check if Changes stuff needs changing here. (Lgb)
2237 // And it probably does. You have to take a look at this John. (Lgb)
2238 #warning John, have a look here. (Lgb)
2239         ParagraphList::iterator pit = plist.begin();
2240         ParagraphList::iterator ins = paragraphs.insert(paragraphs.end(), *pit);
2241         ++pit;
2242         mergeParagraph(buffer->params, paragraphs, boost::prior(ins));
2243
2244         ParagraphList::iterator pend = plist.end();
2245         for (; pit != pend; ++pit) {
2246                 paragraphs.push_back(*pit);
2247         }
2248
2249         reinitLyXText();
2250 }
2251
2252
2253 void InsetText::addPreview(PreviewLoader & loader) const
2254 {
2255         ParagraphList::const_iterator pit = paragraphs.begin();
2256         ParagraphList::const_iterator pend = paragraphs.end();
2257
2258         for (; pit != pend; ++pit) {
2259                 InsetList::const_iterator it  = pit->insetlist.begin();
2260                 InsetList::const_iterator end = pit->insetlist.end();
2261                 for (; it != end; ++it) {
2262                         it->inset->addPreview(loader);
2263                 }
2264         }
2265 }