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 "CutAndPaste.h"
  18 #include "debug.h"
  19 #include "dimension.h"
  20 #include "funcrequest.h"
  21 #include "gettext.h"
  22 #include "intl.h"
  23 #include "LaTeXFeatures.h"
  24 #include "LColor.h"
  25 #include "Lsstream.h"
  26 #include "lyxfont.h"
  27 #include "lyxcursor.h"
  28 #include "lyxfind.h"
  29 #include "lyxlex.h"
  30 #include "lyxrow.h"
  31 #include "lyxrc.h"
  32 #include "lyxtext.h"
  33 #include "paragraph.h"
  34 #include "ParagraphParameters.h"
  35 #include "trans_mgr.h"
  36 #include "undo_funcs.h"
  37 #include "WordLangTuple.h"
  38 #include "paragraph_funcs.h"
  39 #include "sgml.h"
  40 #include "rowpainter.h"
  41 #include "insetnewline.h"
  42 #include "Lsstream.h"
  43
  44 #include "frontends/Alert.h"
  45 #include "frontends/Dialogs.h"
  46 #include "frontends/font_metrics.h"
  47 #include "frontends/LyXView.h"
  48 #include "frontends/Painter.h"
  49 #include "frontends/screen.h"
  50
  51 #include "support/textutils.h"
  52 #include "support/LAssert.h"
  53 #include "support/lstrings.h"
  54 #include "support/lyxalgo.h" // lyx::count
  55
  56 #include <boost/bind.hpp>
  57
  58 #include <fstream>
  59 #include <algorithm>
  60 #include <cstdlib>
  61 //#include <csignal>
  62
  63 using std::ostream;
  64 using std::ifstream;
  65 using std::endl;
  66 using std::min;
  67 using std::max;
  68 using std::make_pair;
  69 using std::vector;
  70 using std::pair;
  71 using std::for_each;
  72
  73 using lyx::pos_type;
  74 using lyx::textclass_type;
  75
  76
  77 // These functions should probably go into bufferview_funcs somehow (Jug)
  78
  79 void InsetText::saveLyXTextState(LyXText * t) const
  80 {
  81         // check if my paragraphs are still valid
  82         ParagraphList::iterator it = paragraphs.begin();
  83         ParagraphList::iterator end = paragraphs.end();
  84         for (; it != end; ++it) {
  85                 if (&*it == t->cursor.par())
  86                         break;
  87         }
  88
  89         if (it != end && t->cursor.pos() <= it->size()) {
  90                 sstate.lpar = &*t->cursor.par();
  91                 sstate.pos = t->cursor.pos();
  92                 sstate.boundary = t->cursor.boundary();
  93                 sstate.selstartpar = &*t->selection.start.par();
  94                 sstate.selstartpos = t->selection.start.pos();
  95                 sstate.selstartboundary = t->selection.start.boundary();
  96                 sstate.selendpar = &*t->selection.end.par();
  97                 sstate.selendpos = t->selection.end.pos();
  98                 sstate.selendboundary = t->selection.end.boundary();
  99                 sstate.selection = t->selection.set();
 100                 sstate.mark_set = t->selection.mark();
 101         } else {
 102                 sstate.lpar = 0;
 103         }
 104 }
 105
 106
 107 void InsetText::restoreLyXTextState(LyXText * t) const
 108 {
 109         if (!sstate.lpar)
 110                 return;
 111
 112         t->selection.set(true);
 113         /* at this point just to avoid the DEPM when setting the cursor */
 114         t->selection.mark(sstate.mark_set);
 115         if (sstate.selection) {
 116                 t->setCursor(sstate.selstartpar, sstate.selstartpos,
 117                              true, sstate.selstartboundary);
 118                 t->selection.cursor = t->cursor;
 119                 t->setCursor(sstate.selendpar, sstate.selendpos,
 120                              true, sstate.selendboundary);
 121                 t->setSelection();
 122                 t->setCursor(sstate.lpar, sstate.pos);
 123         } else {
 124                 t->setCursor(sstate.lpar, sstate.pos, true, sstate.boundary);
 125                 t->selection.cursor = t->cursor;
 126                 t->selection.set(false);
 127         }
 128 }
 129
 130
 131 InsetText::InnerCache::InnerCache(boost::shared_ptr<LyXText> t)
 132 {
 133         text = t;
 134         remove = false;
 135 }
 136
 137
 138 InsetText::InsetText(BufferParams const & bp)
 139         : UpdatableInset(), lt(0), in_update(false), do_resize(0),
 140           do_reinit(false)
 141 {
 142         paragraphs.push_back(new Paragraph);
 143         paragraphs.begin()->layout(bp.getLyXTextClass().defaultLayout());
 144         if (bp.tracking_changes)
 145                 paragraphs.begin()->trackChanges();
 146         init();
 147 }
 148
 149
 150 InsetText::InsetText(InsetText const & in, bool same_id)
 151         : UpdatableInset(in, same_id), lt(0), in_update(false), do_resize(0),
 152           do_reinit(false)
 153 {
 154         init(&in, same_id);
 155 }
 156
 157
 158 InsetText & InsetText::operator=(InsetText const & it)
 159 {
 160         init(&it);
 161         return * this;
 162 }
 163
 164
 165 void InsetText::init(InsetText const * ins, bool same_id)
 166 {
 167         if (ins) {
 168                 setParagraphData(ins->paragraphs, same_id);
 169                 autoBreakRows = ins->autoBreakRows;
 170                 drawFrame_ = ins->drawFrame_;
 171                 frame_color = ins->frame_color;
 172                 if (same_id)
 173                         id_ = ins->id_;
 174         } else {
 175                 for_each(paragraphs.begin(), paragraphs.end(),
 176                          boost::bind(&Paragraph::setInsetOwner, _1, this));
 177
 178                 the_locking_inset = 0;
 179                 drawFrame_ = NEVER;
 180                 frame_color = LColor::insetframe;
 181                 autoBreakRows = false;
 182         }
 183         top_y = 0;
 184         old_max_width = 0;
 185         no_selection = true;
 186         need_update = FULL;
 187         drawTextXOffset = 0;
 188         drawTextYOffset = 0;
 189         locked = false;
 190         old_par = 0;
 191         last_drawn_width = -1;
 192         cached_bview = 0;
 193         sstate.lpar = 0;
 194         in_insetAllowed = false;
 195 }
 196
 197
 198 InsetText::~InsetText()
 199 {
 200         paragraphs.clear();
 201 }
 202
 203
 204 void InsetText::clear(bool just_mark_erased)
 205 {
 206         if (just_mark_erased) {
 207                 ParagraphList::iterator it = paragraphs.begin();
 208                 ParagraphList::iterator end = paragraphs.end();
 209                 for (; it != end; ++it) {
 210                         it->markErased();
 211                 }
 212                 need_update = FULL;
 213                 return;
 214         }
 215
 216         // This is a gross hack...
 217         LyXLayout_ptr old_layout = paragraphs.begin()->layout();
 218
 219         paragraphs.clear();
 220         paragraphs.push_back(new Paragraph);
 221         paragraphs.begin()->setInsetOwner(this);
 222         paragraphs.begin()->layout(old_layout);
 223
 224         reinitLyXText();
 225         need_update = INIT;
 226 }
 227
 228
 229 Inset * InsetText::clone(Buffer const &, bool same_id) const
 230 {
 231         return new InsetText(*this, same_id);
 232 }
 233
 234
 235 void InsetText::write(Buffer const * buf, ostream & os) const
 236 {
 237         os << "Text\n";
 238         writeParagraphData(buf, os);
 239 }
 240
 241
 242 void InsetText::writeParagraphData(Buffer const * buf, ostream & os) const
 243 {
 244         ParagraphList::iterator it = paragraphs.begin();
 245         ParagraphList::iterator end = paragraphs.end();
 246         Paragraph::depth_type dth = 0;
 247         for (; it != end; ++it) {
 248                 it->write(buf, os, buf->params, dth);
 249         }
 250 }
 251
 252
 253 void InsetText::read(Buffer const * buf, LyXLex & lex)
 254 {
 255         string token;
 256         Paragraph::depth_type depth = 0;
 257
 258         clear(false);
 259
 260         if (buf->params.tracking_changes)
 261                 paragraphs.begin()->trackChanges();
 262
 263         // delete the initial paragraph
 264         paragraphs.clear();
 265         ParagraphList::iterator pit = paragraphs.begin();
 266
 267         while (lex.isOK()) {
 268                 lex.nextToken();
 269                 token = lex.getString();
 270                 if (token.empty())
 271                         continue;
 272                 if (token == "\\end_inset") {
 273                         break;
 274                 }
 275
 276                 if (token == "\\the_end") {
 277                         lex.printError("\\the_end read in inset! Error in document!");
 278                         return;
 279                 }
 280
 281                 // FIXME: ugly.
 282                 const_cast<Buffer*>(buf)->readParagraph(lex, token, paragraphs, pit, depth);
 283         }
 284
 285         pit = paragraphs.begin();
 286         ParagraphList::iterator const end = paragraphs.end();
 287         for (; pit != end; ++pit)
 288                 pit->setInsetOwner(this);
 289
 290         if (token != "\\end_inset") {
 291                 lex.printError("Missing \\end_inset at this point. "
 292                                            "Read: `$$Token'");
 293         }
 294         need_update = FULL;
 295 }
 296
 297
 298 void InsetText::dimension(BufferView * bv, LyXFont const &,
 299         Dimension & dim) const
 300 {
 301         LyXText * text = getLyXText(bv);
 302         dim.a = text->rows().begin()->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 303         dim.d = text->height - dim.a + TEXT_TO_INSET_OFFSET;
 304         dim.w = max(textWidth(bv), int(text->width)) + 2 * TEXT_TO_INSET_OFFSET;
 305         dim.w = max(dim.w, 10);
 306         // cache it
 307         dim_ = dim;
 308 }
 309
 310
 311 int InsetText::textWidth(BufferView * bv, bool fordraw) const
 312 {
 313         int w = autoBreakRows ? getMaxWidth(bv, this) : -1;
 314
 315         if (fordraw)
 316                 return max(w - 2 * TEXT_TO_INSET_OFFSET,
 317                            (int)getLyXText(bv)->width);
 318
 319         if (w < 0)
 320     return -1;
 321
 322         return w - 2 * TEXT_TO_INSET_OFFSET;
 323 }
 324
 325
 326 void InsetText::draw(BufferView * bv, LyXFont const & f,
 327                      int baseline, float & x) const
 328 {
 329         if (nodraw())
 330                 return;
 331
 332         // update our idea of where we are. Clearly, we should
 333         // not have to know this information.
 334         if (top_x != int(x))
 335                 top_x = int(x);
 336
 337         int const start_x = int(x);
 338
 339         Painter & pain = bv->painter();
 340
 341         // call this method so that dim_ has the right value
 342         dimension(bv, f, dim_);
 343
 344         // repaint the background if needed
 345         if (backgroundColor() != LColor::background)
 346                 clearInset(bv, start_x + TEXT_TO_INSET_OFFSET, baseline);
 347
 348         // no draw is necessary !!!
 349         if ((drawFrame_ == LOCKED) && !locked && paragraphs.begin()->empty()) {
 350                 top_baseline = baseline;
 351                 x += width(bv, f);
 352                 need_update = NONE;
 353                 return;
 354         }
 355
 356         if (!owner())
 357                 x += static_cast<float>(scroll());
 358
 359         top_baseline = baseline;
 360         top_y = baseline - dim_.a;
 361
 362         if (last_drawn_width != dim_.w) {
 363                 need_update |= FULL;
 364                 last_drawn_width = dim_.w;
 365         }
 366
 367         if (the_locking_inset && (cpar(bv) == inset_par)
 368                 && (cpos(bv) == inset_pos)) {
 369                 inset_x = cix(bv) - int(x) + drawTextXOffset;
 370                 inset_y = ciy(bv) + drawTextYOffset;
 371         }
 372
 373         bool clear = false;
 374         if (!lt) {
 375                 lt = getLyXText(bv);
 376                 clear = true;
 377         }
 378         x += TEXT_TO_INSET_OFFSET;
 379
 380         RowList::iterator rowit = lt->rows().begin();
 381         RowList::iterator end = lt->rows().end();
 382
 383         int y_offset = baseline - rowit->ascent_of_text();
 384         int ph = pain.paperHeight();
 385         int first = 0;
 386         int y = y_offset;
 387         while ((rowit != end) && ((y + rowit->height()) <= 0)) {
 388                 y += rowit->height();
 389                 first += rowit->height();
 390                 ++rowit;
 391         }
 392         if (y_offset < 0) {
 393                 lt->top_y(-y_offset);
 394                 first = y;
 395                 y_offset = 0;
 396         } else {
 397                 lt->top_y(first);
 398                 first = 0;
 399         }
 400
 401         int yf = y_offset + first;
 402         y = 0;
 403
 404         bv->hideCursor();
 405
 406         while ((rowit != end) && (yf < ph)) {
 407                 RowPainter rp(*bv, *lt, rowit);
 408                 rp.paint(y + y_offset + first, int(x), y + lt->top_y());
 409                 y += rowit->height();
 410                 yf += rowit->height();
 411                 ++rowit;
 412         }
 413
 414         lt->clearPaint();
 415
 416         if ((drawFrame_ == ALWAYS) || (drawFrame_ == LOCKED && locked)) {
 417                 drawFrame(pain, int(start_x));
 418         }
 419
 420         x += dim_.w - TEXT_TO_INSET_OFFSET;
 421
 422         if (need_update != INIT) {
 423                 need_update = NONE;
 424         }
 425         if (clear)
 426                 lt = 0;
 427 }
 428
 429
 430 void InsetText::drawFrame(Painter & pain, int x) const
 431 {
 432         static int const ttoD2 = TEXT_TO_INSET_OFFSET / 2;
 433         frame_x = x + ttoD2;
 434         frame_y = top_baseline - dim_.a + ttoD2;
 435         frame_w = dim_.w - TEXT_TO_INSET_OFFSET;
 436         frame_h = dim_.a + dim_.d - TEXT_TO_INSET_OFFSET;
 437         pain.rectangle(frame_x, frame_y, frame_w, frame_h,
 438                        frame_color);
 439 }
 440
 441
 442 void InsetText::update(BufferView * bv, bool reinit)
 443 {
 444         if (in_update) {
 445                 if (reinit && owner()) {
 446                         reinitLyXText();
 447                         owner()->update(bv, true);
 448                 }
 449                 return;
 450         }
 451         in_update = true;
 452
 453         if (reinit || need_update == INIT) {
 454                 need_update = FULL;
 455                 // we should put this call where we set need_update to INIT!
 456                 reinitLyXText();
 457                 if (owner())
 458                         owner()->update(bv, true);
 459                 in_update = false;
 460
 461                 int nw = getMaxWidth(bv, this);
 462                 if (nw > 0 && old_max_width != nw) {
 463                         need_update |= INIT;
 464                         old_max_width = nw;
 465                 }
 466                 return;
 467         }
 468
 469         if (!autoBreakRows &&
 470             boost::next(paragraphs.begin()) != paragraphs.end())
 471                 collapseParagraphs(bv);
 472
 473         if (the_locking_inset) {
 474                 inset_x = cix(bv) - top_x + drawTextXOffset;
 475                 inset_y = ciy(bv) + drawTextYOffset;
 476                 the_locking_inset->update(bv, reinit);
 477         }
 478
 479         bool clear = false;
 480         if (!lt) {
 481                 lt = getLyXText(bv);
 482                 clear = true;
 483         }
 484         if ((need_update & CURSOR_PAR) && (lt->refreshStatus() == LyXText::REFRESH_NONE) &&
 485                 the_locking_inset) {
 486                 lt->updateInset(the_locking_inset);
 487         }
 488
 489         if (lt->refreshStatus() == LyXText::REFRESH_AREA)
 490                 need_update |= FULL;
 491         if (clear)
 492                 lt = 0;
 493
 494         in_update = false;
 495
 496         int nw = getMaxWidth(bv, this);
 497         if (nw > 0 && old_max_width != nw) {
 498                 need_update |= INIT;
 499                 old_max_width = nw;
 500         }
 501 }
 502
 503
 504 void InsetText::setUpdateStatus(BufferView * bv, int what) const
 505 {
 506         // this does nothing dangerous so use only a localized buffer
 507         LyXText * llt = getLyXText(bv);
 508
 509         need_update |= what;
 510         // we have to redraw us full if our LyXText REFRESH_AREA or
 511         // if we don't break row so that we only have one row to update!
 512         if ((llt->refreshStatus() == LyXText::REFRESH_AREA) ||
 513             (!autoBreakRows &&
 514              (llt->refreshStatus() == LyXText::REFRESH_ROW)))
 515         {
 516                 need_update |= FULL;
 517         } else if (llt->refreshStatus() == LyXText::REFRESH_ROW) {
 518                 need_update |= CURSOR_PAR;
 519         }
 520
 521         // this to not draw a selection when we redraw all of it!
 522         if (need_update & CURSOR && !(need_update & SELECTION)) {
 523                 if (llt->selection.set())
 524                         need_update = FULL;
 525                 llt->clearSelection();
 526         }
 527 }
 528
 529
 530 void InsetText::updateLocal(BufferView * bv, int what, bool mark_dirty)
 531 {
 532 #if 0
 533         if (!autoBreakRows &&
 534             boost::next(paragraphs.begin()) != paragraphs.end())
 535                 collapseParagraphs(bv);
 536 #else
 537         if (!autoBreakRows && paragraphs.size() > 1)
 538                 collapseParagraphs(bv);
 539 #endif
 540
 541         bool clear = false;
 542         if (!lt) {
 543                 lt = getLyXText(bv);
 544                 clear = true;
 545         }
 546         lt->fullRebreak();
 547         setUpdateStatus(bv, what);
 548         bool flag = mark_dirty ||
 549                 (((need_update != CURSOR) && (need_update != NONE)) ||
 550                  (lt->refreshStatus() != LyXText::REFRESH_NONE) || lt->selection.set());
 551         if (!lt->selection.set())
 552                 lt->selection.cursor = lt->cursor;
 553
 554         bv->fitCursor();
 555
 556         if (flag) {
 557                 lt->postPaint(0);
 558                 bv->updateInset(const_cast<InsetText *>(this));
 559         }
 560
 561         if (clear)
 562                 lt = 0;
 563
 564         if (need_update == CURSOR)
 565                 need_update = NONE;
 566         bv->owner()->view_state_changed();
 567         bv->owner()->updateMenubar();
 568         bv->owner()->updateToolbar();
 569         if (old_par != cpar(bv)) {
 570                 bv->owner()->setLayout(cpar(bv)->layout()->name());
 571                 old_par = cpar(bv);
 572         }
 573 }
 574
 575
 576 string const InsetText::editMessage() const
 577 {
 578         return _("Opened Text Inset");
 579 }
 580
 581
 582 void InsetText::insetUnlock(BufferView * bv)
 583 {
 584         if (the_locking_inset) {
 585                 the_locking_inset->insetUnlock(bv);
 586                 the_locking_inset = 0;
 587                 updateLocal(bv, CURSOR_PAR, false);
 588         }
 589         no_selection = true;
 590         locked = false;
 591         int code = NONE;
 592         bool clear = false;
 593
 594         if (!lt) {
 595                 lt = getLyXText(bv);
 596                 clear = true;
 597         }
 598         if (lt->selection.set()) {
 599                 lt->clearSelection();
 600                 code = FULL;
 601         } else if (owner()) {
 602                 bv->owner()->setLayout(owner()->getLyXText(bv)
 603                                        ->cursor.par()->layout()->name());
 604         } else
 605                 bv->owner()->setLayout(bv->text->cursor.par()->layout()->name());
 606         // hack for deleteEmptyParMech
 607         if (!paragraphs.begin()->empty()) {
 608                 lt->setCursor(paragraphs.begin(), 0);
 609         } else if (boost::next(paragraphs.begin()) != paragraphs.end()) {
 610                 lt->setCursor(boost::next(paragraphs.begin()), 0);
 611         }
 612         if (clear)
 613                 lt = 0;
 614 #if 0
 615         updateLocal(bv, code, false);
 616 #else
 617         if (code != NONE)
 618                 setUpdateStatus(bv, code);
 619 #endif
 620 }
 621
 622
 623 void InsetText::lockInset(BufferView * bv)
 624 {
 625         locked = true;
 626         the_locking_inset = 0;
 627         inset_pos = inset_x = inset_y = 0;
 628         inset_boundary = false;
 629         inset_par = 0;
 630         old_par = 0;
 631         bool clear = false;
 632         if (!lt) {
 633                 lt = getLyXText(bv);
 634                 clear = true;
 635         }
 636         lt->setCursor(paragraphs.begin(), 0);
 637         lt->clearSelection();
 638         finishUndo();
 639         // If the inset is empty set the language of the current font to the
 640         // language to the surronding text (if different).
 641         if (paragraphs.begin()->empty() &&
 642             boost::next(paragraphs.begin()) == paragraphs.end() &&
 643                 bv->getParentLanguage(this) != lt->current_font.language()) {
 644                 LyXFont font(LyXFont::ALL_IGNORE);
 645                 font.setLanguage(bv->getParentLanguage(this));
 646                 setFont(bv, font, false);
 647         }
 648         if (clear)
 649                 lt = 0;
 650         int code = CURSOR;
 651         if (drawFrame_ == LOCKED)
 652                 code = CURSOR|DRAW_FRAME;
 653         setUpdateStatus(bv, code);
 654 }
 655
 656
 657 void InsetText::lockInset(BufferView * bv, UpdatableInset * inset)
 658 {
 659         the_locking_inset = inset;
 660         inset_x = cix(bv) - top_x + drawTextXOffset;
 661         inset_y = ciy(bv) + drawTextYOffset;
 662         inset_pos = cpos(bv);
 663         inset_par = cpar(bv);
 664         inset_boundary = cboundary(bv);
 665         updateLocal(bv, CURSOR, false);
 666 }
 667
 668
 669 bool InsetText::lockInsetInInset(BufferView * bv, UpdatableInset * inset)
 670 {
 671         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 672                               << inset << "): ";
 673         if (!inset)
 674                 return false;
 675         if (!the_locking_inset) {
 676                 ParagraphList::iterator pit = paragraphs.begin();
 677                 ParagraphList::iterator pend = paragraphs.end();
 678
 679                 int const id = inset->id();
 680                 for (; pit != pend; ++pit) {
 681                         InsetList::iterator it =
 682                                 pit->insetlist.begin();
 683                         InsetList::iterator const end =
 684                                 pit->insetlist.end();
 685                         for (; it != end; ++it) {
 686                                 if (it.getInset() == inset) {
 687                                         getLyXText(bv)->setCursorIntern(pit, it.getPos());
 688                                         lockInset(bv, inset);
 689                                         return true;
 690                                 }
 691                                 if (it.getInset()->getInsetFromID(id)) {
 692                                         getLyXText(bv)->setCursorIntern(pit, it.getPos());
 693                                         it.getInset()->localDispatch(FuncRequest(bv, LFUN_INSET_EDIT));
 694                                         return the_locking_inset->lockInsetInInset(bv, inset);
 695                                 }
 696                         }
 697                 }
 698                 return false;
 699         }
 700         if (inset == cpar(bv)->getInset(cpos(bv))) {
 701                 lyxerr[Debug::INSETS] << "OK" << endl;
 702                 lockInset(bv, inset);
 703                 return true;
 704         } else if (the_locking_inset && (the_locking_inset == inset)) {
 705                 if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 706                         lyxerr[Debug::INSETS] << "OK" << endl;
 707                         inset_x = cix(bv) - top_x + drawTextXOffset;
 708                         inset_y = ciy(bv) + drawTextYOffset;
 709                 } else {
 710                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 711                 }
 712         } else if (the_locking_inset) {
 713                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 714                 return the_locking_inset->lockInsetInInset(bv, inset);
 715         }
 716         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 717         return false;
 718 }
 719
 720
 721 bool InsetText::unlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 722                                    bool lr)
 723 {
 724         if (!the_locking_inset)
 725                 return false;
 726         if (the_locking_inset == inset) {
 727                 the_locking_inset->insetUnlock(bv);
 728                 getLyXText(bv)->updateInset(inset);
 729                 the_locking_inset = 0;
 730                 if (lr)
 731                         moveRightIntern(bv, true, false);
 732                 old_par = 0; // force layout setting
 733                 if (scroll())
 734                         scroll(bv, 0.0F);
 735                 else
 736                         updateLocal(bv, CURSOR, false);
 737                 return true;
 738         }
 739         return the_locking_inset->unlockInsetInInset(bv, inset, lr);
 740 }
 741
 742
 743 bool InsetText::updateInsetInInset(BufferView * bv, Inset * inset)
 744 {
 745         if (!autoBreakRows &&
 746             boost::next(paragraphs.begin()) != paragraphs.end())
 747                 collapseParagraphs(bv);
 748         if (inset == this)
 749                 return true;
 750         bool clear = false;
 751         if (!lt) {
 752                 lt = getLyXText(bv);
 753                 clear = true;
 754         }
 755         if (inset->owner() != this) {
 756                 int ustat = CURSOR_PAR;
 757                 bool found = false;
 758                 UpdatableInset * tl_inset = the_locking_inset;
 759                 if (tl_inset)
 760                         found = tl_inset->updateInsetInInset(bv, inset);
 761                 if (!found) {
 762                         tl_inset = static_cast<UpdatableInset *>(inset);
 763                         while(tl_inset->owner() && tl_inset->owner() != this)
 764                                 tl_inset = static_cast<UpdatableInset *>(tl_inset->owner());
 765                         if (!tl_inset->owner())
 766                                 return false;
 767                         found = tl_inset->updateInsetInInset(bv, inset);
 768                         ustat = FULL;
 769                 }
 770                 if (found)
 771                         lt->updateInset(tl_inset);
 772                 if (clear)
 773                         lt = 0;
 774                 if (found)
 775                         setUpdateStatus(bv, ustat);
 776                 return found;
 777         }
 778         bool found = lt->updateInset(inset);
 779         if (clear)
 780                 lt = 0;
 781         if (found) {
 782                 setUpdateStatus(bv, CURSOR_PAR);
 783                 if (the_locking_inset &&
 784                     cpar(bv) == inset_par && cpos(bv) == inset_pos)
 785                 {
 786                         inset_x = cix(bv) - top_x + drawTextXOffset;
 787                         inset_y = ciy(bv) + drawTextYOffset;
 788                 }
 789         }
 790         return found;
 791 }
 792
 793
 794 void InsetText::lfunMousePress(FuncRequest const & cmd)
 795 {
 796         no_selection = true;
 797
 798         // use this to check mouse motion for selection!
 799         mouse_x = cmd.x;
 800         mouse_y = cmd.y;
 801
 802         BufferView * bv = cmd.view();
 803         FuncRequest cmd1 = cmd;
 804         cmd1.x -= inset_x;
 805         cmd1.y -= inset_y;
 806         if (!locked)
 807                 lockInset(bv);
 808
 809         int tmp_x = cmd.x - drawTextXOffset;
 810         int tmp_y = cmd.y + dim_.a - getLyXText(bv)->top_y();
 811         Inset * inset = getLyXText(bv)->checkInsetHit(tmp_x, tmp_y);
 812
 813         if (the_locking_inset) {
 814                 if (the_locking_inset == inset) {
 815                         the_locking_inset->localDispatch(cmd1);
 816                         return;
 817                 }
 818                 // otherwise only unlock the_locking_inset
 819                 the_locking_inset->insetUnlock(bv);
 820                 the_locking_inset = 0;
 821         }
 822         if (!inset)
 823                 no_selection = false;
 824
 825         if (bv->theLockingInset()) {
 826                 if (isHighlyEditableInset(inset)) {
 827                         // We just have to lock the inset before calling a
 828                         // PressEvent on it!
 829                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 830                         if (!bv->lockInset(uinset)) {
 831                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 832                         }
 833                         inset->localDispatch(cmd1);
 834                         if (the_locking_inset)
 835                                 updateLocal(bv, CURSOR, false);
 836                         return;
 837                 }
 838         }
 839         if (!inset) {
 840                 bool paste_internally = false;
 841                 if (cmd.button() == mouse_button::button2 && getLyXText(bv)->selection.set()) {
 842                         localDispatch(FuncRequest(bv, LFUN_COPY));
 843                         paste_internally = true;
 844                 }
 845                 bool clear = false;
 846                 if (!lt) {
 847                         lt = getLyXText(bv);
 848                         clear = true;
 849                 }
 850                 int old_top_y = lt->top_y();
 851
 852                 lt->setCursorFromCoordinates(cmd.x - drawTextXOffset,
 853                                              cmd.y + dim_.a);
 854                 // set the selection cursor!
 855                 lt->selection.cursor = lt->cursor;
 856                 lt->cursor.x_fix(lt->cursor.x());
 857
 858                 if (lt->selection.set()) {
 859                         lt->clearSelection();
 860                         updateLocal(bv, FULL, false);
 861                 } else {
 862                         lt->clearSelection();
 863                         updateLocal(bv, CURSOR, false);
 864                 }
 865
 866                 if (clear)
 867                         lt = 0;
 868
 869                 bv->owner()->setLayout(cpar(bv)->layout()->name());
 870
 871                 // we moved the view we cannot do mouse selection in this case!
 872                 if (getLyXText(bv)->top_y() != old_top_y)
 873                         no_selection = true;
 874                 old_par = cpar(bv);
 875                 // Insert primary selection with middle mouse
 876                 // if there is a local selection in the current buffer,
 877                 // insert this
 878                 if (cmd.button() == mouse_button::button2) {
 879                         if (paste_internally)
 880                                 localDispatch(FuncRequest(bv, LFUN_PASTE));
 881                         else
 882                                 localDispatch(FuncRequest(bv, LFUN_PASTESELECTION, "paragraph"));
 883                 }
 884         } else {
 885                 getLyXText(bv)->clearSelection();
 886         }
 887 }
 888
 889
 890 bool InsetText::lfunMouseRelease(FuncRequest const & cmd)
 891 {
 892         BufferView * bv = cmd.view();
 893         FuncRequest cmd1 = cmd;
 894         cmd1.x -= inset_x;
 895         cmd1.y -= inset_y;
 896
 897         no_selection = true;
 898         if (the_locking_inset)
 899                 return the_locking_inset->localDispatch(cmd1);
 900
 901         int tmp_x = cmd.x - drawTextXOffset;
 902         int tmp_y = cmd.y + dim_.a - getLyXText(bv)->top_y();
 903         Inset * inset = getLyXText(bv)->checkInsetHit(tmp_x, tmp_y);
 904         bool ret = false;
 905         if (inset) {
 906 // This code should probably be removed now. Simple insets
 907 // (!highlyEditable) can actually take the localDispatch,
 908 // and turn it into edit() if necessary. But we still
 909 // need to deal properly with the whole relative vs.
 910 // absolute mouse co-ords thing in a realiable, sensible way
 911 #if 0
 912                 if (isHighlyEditableInset(inset))
 913                         ret = inset->localDispatch(cmd1);
 914                 else {
 915                         inset_x = cix(bv) - top_x + drawTextXOffset;
 916                         inset_y = ciy(bv) + drawTextYOffset;
 917                         cmd1.x = cmd.x - inset_x;
 918                         cmd1.y = cmd.x - inset_y;
 919                         inset->edit(bv, cmd1.x, cmd1.y, cmd.button());
 920                         ret = true;
 921                 }
 922 #endif
 923                 ret = inset->localDispatch(cmd1);
 924                 updateLocal(bv, CURSOR_PAR, false);
 925
 926         }
 927         return ret;
 928 }
 929
 930
 931 void InsetText::lfunMouseMotion(FuncRequest const & cmd)
 932 {
 933         FuncRequest cmd1 = cmd;
 934         cmd1.x -= inset_x;
 935         cmd1.y -= inset_y;
 936
 937         if (the_locking_inset) {
 938                 the_locking_inset->localDispatch(cmd1);
 939                 return;
 940         }
 941
 942         if (no_selection || (mouse_x == cmd.x && mouse_y == cmd.y))
 943                 return;
 944
 945         BufferView * bv = cmd.view();
 946         bool clear = false;
 947         if (!lt) {
 948                 lt = getLyXText(bv);
 949                 clear = true;
 950         }
 951         LyXCursor cur = lt->cursor;
 952         lt->setCursorFromCoordinates
 953                 (cmd.x - drawTextXOffset, cmd.y + dim_.a);
 954         lt->cursor.x_fix(lt->cursor.x());
 955         if (cur == lt->cursor) {
 956                 if (clear)
 957                         lt = 0;
 958                 return;
 959         }
 960         lt->setSelection();
 961         bool flag = (lt->toggle_cursor.par() != lt->toggle_end_cursor.par() ||
 962                                  lt->toggle_cursor.pos() != lt->toggle_end_cursor.pos());
 963         if (clear)
 964                 lt = 0;
 965         if (flag) {
 966                 updateLocal(bv, SELECTION, false);
 967         }
 968 }
 969
 970
 971 Inset::RESULT InsetText::localDispatch(FuncRequest const & cmd)
 972 {
 973         BufferView * bv = cmd.view();
 974
 975         if (cmd.action == LFUN_INSET_EDIT) {
 976                 UpdatableInset::localDispatch(cmd);
 977
 978                 if (!bv->lockInset(this)) {
 979                         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 980                         return DISPATCHED;
 981                 }
 982
 983                 locked = true;
 984                 the_locking_inset = 0;
 985                 inset_pos = inset_x = inset_y = 0;
 986                 inset_boundary = false;
 987                 inset_par = 0;
 988                 old_par = 0;
 989
 990                 bool clear = false;
 991                 if (!lt) {
 992                         lt = getLyXText(bv);
 993                         clear = true;
 994                 }
 995
 996                 if (cmd.argument.size()) {
 997                         if (cmd.argument == "left")
 998                                 lt->setCursor(paragraphs.begin(), 0);
 999                         else {
1000                                 ParagraphList::iterator it = paragraphs.begin();
1001                                 ParagraphList::iterator end = paragraphs.end();
1002                                 while (boost::next(it) != end)
1003                                         ++it;
1004                 //              int const pos = (p->size() ? p->size()-1 : p->size());
1005                                 lt->setCursor(it, it->size());
1006                         }
1007                 } else {
1008                         int tmp_y = (cmd.y < 0) ? 0 : cmd.y;
1009                         // we put here -1 and not button as now the button in the
1010                         // edit call should not be needed we will fix this in 1.3.x
1011                         // cycle hopefully (Jug 20020509)
1012                         // FIXME: GUII I've changed this to none: probably WRONG
1013                         if (!checkAndActivateInset(bv, cmd.x, tmp_y, mouse_button::none)) {
1014                                 lt->setCursorFromCoordinates(cmd.x - drawTextXOffset,
1015                                                                         cmd.y + dim_.a);
1016                                 lt->cursor.x_fix(lt->cursor.x());
1017                         }
1018                 }
1019
1020                 lt->clearSelection();
1021                 finishUndo();
1022
1023                 // If the inset is empty set the language of the current font to the
1024                 // language to the surronding text (if different).
1025                 if (paragraphs.begin()->empty() &&
1026                                 boost::next(paragraphs.begin()) == paragraphs.end()&&
1027                         bv->getParentLanguage(this) != lt->current_font.language())
1028                 {
1029                         LyXFont font(LyXFont::ALL_IGNORE);
1030                         font.setLanguage(bv->getParentLanguage(this));
1031                         setFont(bv, font, false);
1032                 }
1033
1034                 if (clear)
1035                         lt = 0;
1036                 int code = CURSOR;
1037                 if (drawFrame_ == LOCKED)
1038                         code = CURSOR | DRAW_FRAME;
1039
1040                 updateLocal(bv, code, false);
1041                 // Tell the paragraph dialog that we've entered an insettext.
1042                 bv->dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1043                 return DISPATCHED;
1044         }
1045
1046
1047         switch (cmd.action) {
1048                 case LFUN_MOUSE_PRESS:
1049                         lfunMousePress(cmd);
1050                         return DISPATCHED;
1051                 case LFUN_MOUSE_MOTION:
1052                         lfunMouseMotion(cmd);
1053                         return DISPATCHED;
1054                 case LFUN_MOUSE_RELEASE:
1055                         return lfunMouseRelease(cmd) ? DISPATCHED : UNDISPATCHED;
1056                 default:
1057                         break;
1058         }
1059
1060         bool was_empty = (paragraphs.begin()->empty() &&
1061                           boost::next(paragraphs.begin()) == paragraphs.end());
1062         no_selection = false;
1063         RESULT result = UpdatableInset::localDispatch(cmd);
1064         if (result != UNDISPATCHED)
1065                 return DISPATCHED;
1066
1067         result = DISPATCHED;
1068         if (cmd.action < 0 && cmd.argument.empty())
1069                 return FINISHED;
1070
1071         if (the_locking_inset) {
1072                 result = the_locking_inset->localDispatch(cmd);
1073                 if (result == DISPATCHED_NOUPDATE)
1074                         return result;
1075                 else if (result == DISPATCHED) {
1076                         updateLocal(bv, CURSOR_PAR, false);
1077                         return result;
1078                 } else if (result >= FINISHED) {
1079                         switch (result) {
1080                         case FINISHED_RIGHT:
1081                                 moveRightIntern(bv, false, false);
1082                                 result = DISPATCHED;
1083                                 break;
1084                         case FINISHED_UP:
1085                                 if ((result = moveUp(bv)) >= FINISHED) {
1086                                         updateLocal(bv, CURSOR, false);
1087                                         bv->unlockInset(this);
1088                                 }
1089                                 break;
1090                         case FINISHED_DOWN:
1091                                 if ((result = moveDown(bv)) >= FINISHED) {
1092                                         updateLocal(bv, CURSOR, false);
1093                                         bv->unlockInset(this);
1094                                 }
1095                                 break;
1096                         default:
1097                                 result = DISPATCHED;
1098                                 break;
1099                         }
1100                         the_locking_inset = 0;
1101                         updateLocal(bv, CURSOR, false);
1102                         // make sure status gets reset immediately
1103                         bv->owner()->clearMessage();
1104                         return result;
1105                 }
1106         }
1107         bool clear = false;
1108         if (!lt) {
1109                 lt = getLyXText(bv);
1110                 clear = true;
1111         }
1112         int updwhat = 0;
1113         int updflag = false;
1114
1115         // what type of update to do on a cursor movement
1116         int cursor_update = CURSOR;
1117
1118         if (lt->selection.set())
1119                 cursor_update = SELECTION;
1120
1121         switch (cmd.action) {
1122
1123         // Normal chars
1124         case LFUN_SELFINSERT:
1125                 if (bv->buffer()->isReadonly()) {
1126 //          setErrorMessage(N_("Document is read only"));
1127                         break;
1128                 }
1129                 if (!cmd.argument.empty()) {
1130                         /* Automatically delete the currently selected
1131                          * text and replace it with what is being
1132                          * typed in now. Depends on lyxrc settings
1133                          * "auto_region_delete", which defaults to
1134                          * true (on). */
1135 #if 0
1136                         // This should not be needed here and is also WRONG!
1137                         setUndo(bv, Undo::INSERT,
1138                                 lt->cursor.par(), boost::next(lt->cursor.par()));
1139 #endif
1140                         bv->switchKeyMap();
1141                         if (lyxrc.auto_region_delete) {
1142                                 if (lt->selection.set()) {
1143                                         lt->cutSelection(false, false);
1144                                 }
1145                         }
1146                         lt->clearSelection();
1147                         for (string::size_type i = 0; i < cmd.argument.length(); ++i) {
1148                                 bv->owner()->getIntl().getTransManager().
1149                                         TranslateAndInsert(cmd.argument[i], lt);
1150                         }
1151                 }
1152                 lt->selection.cursor = lt->cursor;
1153                 updwhat = CURSOR | CURSOR_PAR;
1154                 updflag = true;
1155                 result = DISPATCHED_NOUPDATE;
1156                 break;
1157
1158         // cursor movements that need special handling
1159
1160         case LFUN_RIGHT:
1161                 result = moveRight(bv);
1162                 finishUndo();
1163                 updwhat = cursor_update;
1164                 break;
1165         case LFUN_LEFT:
1166                 finishUndo();
1167                 result = moveLeft(bv);
1168                 updwhat = cursor_update;
1169                 break;
1170         case LFUN_DOWN:
1171                 finishUndo();
1172                 result = moveDown(bv);
1173                 updwhat = cursor_update;
1174                 break;
1175         case LFUN_UP:
1176                 finishUndo();
1177                 result = moveUp(bv);
1178                 updwhat = cursor_update;
1179                 break;
1180
1181         case LFUN_PRIOR:
1182                 if (crow(bv) == lt->rows().begin())
1183                         result = FINISHED_UP;
1184                 else {
1185                         lt->cursorPrevious();
1186                         lt->clearSelection();
1187                         result = DISPATCHED_NOUPDATE;
1188                 }
1189                 updwhat = cursor_update;
1190                 break;
1191
1192         case LFUN_NEXT:
1193                 if (boost::next(crow(bv)) == lt->rows().end())
1194                         result = FINISHED_DOWN;
1195                 else {
1196                         lt->cursorNext();
1197                         lt->clearSelection();
1198                         result = DISPATCHED_NOUPDATE;
1199                 }
1200                 updwhat = cursor_update;
1201                 break;
1202
1203         case LFUN_BACKSPACE: {
1204                 if (lt->selection.set())
1205                         lt->cutSelection(true, false);
1206                 else
1207                         lt->backspace();
1208                 updwhat = CURSOR_PAR;
1209                 updflag = true;
1210                 break;
1211         }
1212
1213         case LFUN_DELETE: {
1214                 if (lt->selection.set()) {
1215                         lt->cutSelection(true, false);
1216                 } else {
1217                         lt->Delete();
1218                 }
1219                 updwhat = CURSOR_PAR;
1220                 updflag = true;
1221                 break;
1222         }
1223
1224         case LFUN_CUT: {
1225                 lt->cutSelection(bv);
1226                 updwhat = CURSOR_PAR;
1227                 updflag = true;
1228                 break;
1229         }
1230
1231         case LFUN_COPY:
1232                 finishUndo();
1233                 lt->copySelection();
1234                 updwhat = CURSOR_PAR;
1235                 break;
1236
1237         case LFUN_PASTESELECTION:
1238         {
1239                 string const clip(bv->getClipboard());
1240
1241                 if (clip.empty())
1242                         break;
1243                 if (cmd.argument == "paragraph") {
1244                         lt->insertStringAsParagraphs(clip);
1245                 } else {
1246                         lt->insertStringAsLines(clip);
1247                 }
1248                 // bug 393
1249                 lt->clearSelection();
1250
1251                 updwhat = CURSOR_PAR;
1252                 updflag = true;
1253                 break;
1254         }
1255
1256         case LFUN_PASTE: {
1257                 if (!autoBreakRows) {
1258                         if (CutAndPaste::nrOfParagraphs() > 1) {
1259 #ifdef WITH_WARNINGS
1260 #warning FIXME horrendously bad UI
1261 #endif
1262                                 Alert::error(_("Paste failed"), _("Cannot include more than one paragraph."));
1263                                 break;
1264                         }
1265                 }
1266
1267                 lt->pasteSelection();
1268                 // bug 393
1269                 lt->clearSelection();
1270                 updwhat = CURSOR_PAR;
1271                 updflag = true;
1272                 break;
1273         }
1274
1275         case LFUN_BREAKPARAGRAPH:
1276                 if (!autoBreakRows) {
1277                         result = DISPATCHED;
1278                         break;
1279                 }
1280                 lt->breakParagraph(paragraphs, 0);
1281                 updwhat = CURSOR | FULL;
1282                 updflag = true;
1283                 break;
1284
1285         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1286                 if (!autoBreakRows) {
1287                         result = DISPATCHED;
1288                         break;
1289                 }
1290                 lt->breakParagraph(paragraphs, 1);
1291                 updwhat = CURSOR | FULL;
1292                 updflag = true;
1293                 break;
1294
1295         case LFUN_BREAKLINE: {
1296                 if (!autoBreakRows) {
1297                         result = DISPATCHED;
1298                         break;
1299                 }
1300
1301                 lt->insertInset(new InsetNewline);
1302                 updwhat = CURSOR | CURSOR_PAR;
1303                 updflag = true;
1304                 break;
1305         }
1306
1307         case LFUN_LAYOUT:
1308                 // do not set layouts on non breakable textinsets
1309                 if (autoBreakRows) {
1310                         string cur_layout = cpar(bv)->layout()->name();
1311
1312                         // Derive layout number from given argument (string)
1313                         // and current buffer's textclass (number). */
1314                         LyXTextClass const & tclass =
1315                                 bv->buffer()->params.getLyXTextClass();
1316                         string layout = cmd.argument;
1317                         bool hasLayout = tclass.hasLayout(layout);
1318
1319                         // If the entry is obsolete, use the new one instead.
1320                         if (hasLayout) {
1321                                 string const & obs =
1322                                         tclass[layout]->obsoleted_by();
1323                                 if (!obs.empty())
1324                                         layout = obs;
1325                         }
1326
1327                         // see if we found the layout number:
1328                         if (!hasLayout) {
1329                                 FuncRequest lf(LFUN_MESSAGE, N_("Layout ") + cmd.argument + N_(" not known"));
1330                                 bv->owner()->dispatch(lf);
1331                                 break;
1332                         }
1333
1334                         if (cur_layout != layout) {
1335                                 cur_layout = layout;
1336                                 lt->setLayout(layout);
1337                                 bv->owner()->setLayout(cpar(bv)->layout()->name());
1338                                 updwhat = CURSOR_PAR;
1339                                 updflag = true;
1340                         }
1341                 } else {
1342                         // reset the layout box
1343                         bv->owner()->setLayout(cpar(bv)->layout()->name());
1344                 }
1345                 break;
1346         case LFUN_PARAGRAPH_SPACING:
1347                 // This one is absolutely not working. When fiddling with this
1348                 // it also seems to me that the paragraphs inside the insettext
1349                 // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1350                 // FIXME: how old is this comment ? ...
1351         {
1352                 ParagraphList::iterator pit = lt->cursor.par();
1353                 Spacing::Space cur_spacing = pit->params().spacing().getSpace();
1354                 float cur_value = 1.0;
1355                 if (cur_spacing == Spacing::Other) {
1356                         cur_value = pit->params().spacing().getValue();
1357                 }
1358
1359                 istringstream istr(STRCONV(cmd.argument));
1360                 string tmp;
1361                 istr >> tmp;
1362                 Spacing::Space new_spacing = cur_spacing;
1363                 float new_value = cur_value;
1364                 if (tmp.empty()) {
1365                         lyxerr << "Missing argument to `paragraph-spacing'"
1366                                    << endl;
1367                 } else if (tmp == "single") {
1368                         new_spacing = Spacing::Single;
1369                 } else if (tmp == "onehalf") {
1370                         new_spacing = Spacing::Onehalf;
1371                 } else if (tmp == "double") {
1372                         new_spacing = Spacing::Double;
1373                 } else if (tmp == "other") {
1374                         new_spacing = Spacing::Other;
1375                         float tmpval = 0.0;
1376                         istr >> tmpval;
1377                         lyxerr << "new_value = " << tmpval << endl;
1378                         if (tmpval != 0.0)
1379                                 new_value = tmpval;
1380                 } else if (tmp == "default") {
1381                         new_spacing = Spacing::Default;
1382                 } else {
1383                         lyxerr << _("Unknown spacing argument: ")
1384                                    << cmd.argument << endl;
1385                 }
1386                 if (cur_spacing != new_spacing || cur_value != new_value) {
1387                         pit->params().spacing(Spacing(new_spacing, new_value));
1388                         updwhat = CURSOR_PAR;
1389                         updflag = true;
1390                 }
1391         }
1392         break;
1393
1394         // These need to do repaints but don't require
1395         // special handling otherwise. A *lot* of the
1396         // above could probably be done similarly ...
1397
1398         case LFUN_HOME:
1399         case LFUN_END:
1400         case LFUN_WORDLEFT:
1401         case LFUN_WORDRIGHT:
1402         // these two are really unhandled ...
1403         case LFUN_ENDBUF:
1404         case LFUN_BEGINNINGBUF:
1405                 updwhat = cursor_update;
1406                 if (!bv->dispatch(cmd))
1407                         result = UNDISPATCHED;
1408                 break;
1409
1410         case LFUN_RIGHTSEL:
1411         case LFUN_UPSEL:
1412         case LFUN_DOWNSEL:
1413         case LFUN_LEFTSEL:
1414         case LFUN_HOMESEL:
1415         case LFUN_ENDSEL:
1416         case LFUN_WORDLEFTSEL:
1417         case LFUN_WORDRIGHTSEL:
1418                 updwhat = SELECTION;
1419
1420                 // fallthrough
1421
1422         default:
1423                 if (!bv->dispatch(cmd))
1424                         result = UNDISPATCHED;
1425                 break;
1426         }
1427
1428         if (clear)
1429                 lt = 0;
1430         if (updwhat > 0)
1431                 updateLocal(bv, updwhat, updflag);
1432         /// If the action has deleted all text in the inset, we need to change the
1433         // language to the language of the surronding text.
1434         if (!was_empty && paragraphs.begin()->empty() &&
1435             boost::next(paragraphs.begin()) == paragraphs.end()) {
1436                 LyXFont font(LyXFont::ALL_IGNORE);
1437                 font.setLanguage(bv->getParentLanguage(this));
1438                 setFont(bv, font, false);
1439         }
1440
1441         if (result >= FINISHED)
1442                 bv->unlockInset(this);
1443
1444         if (result == DISPATCHED_NOUPDATE && (need_update & FULL))
1445                 result = DISPATCHED;
1446         return result;
1447 }
1448
1449
1450 int InsetText::latex(Buffer const * buf, ostream & os, bool fragile, bool) const
1451 {
1452         TexRow texrow;
1453         latexParagraphs(buf, paragraphs, os, texrow, fragile);
1454         return texrow.rows();
1455 }
1456
1457
1458 int InsetText::ascii(Buffer const * buf, ostream & os, int linelen) const
1459 {
1460         unsigned int lines = 0;
1461
1462         ParagraphList::iterator beg = paragraphs.begin();
1463         ParagraphList::iterator end = paragraphs.end();
1464         ParagraphList::iterator it = beg;
1465         for (; it != end; ++it) {
1466                 string const tmp = buf->asciiParagraph(*it, linelen, it == beg);
1467                 lines += lyx::count(tmp.begin(), tmp.end(), '\n');
1468                 os << tmp;
1469         }
1470         return lines;
1471 }
1472
1473
1474 int InsetText::docbook(Buffer const * buf, ostream & os, bool mixcont) const
1475 {
1476         unsigned int lines = 0;
1477
1478         vector<string> environment_stack(10);
1479         vector<string> environment_inner(10);
1480
1481         int const command_depth = 0;
1482         string item_name;
1483
1484         Paragraph::depth_type depth = 0; // paragraph depth
1485
1486         ParagraphList::iterator pit = paragraphs.begin();
1487         ParagraphList::iterator pend = paragraphs.end();
1488
1489         for (; pit != pend; ++pit) {
1490                 string sgmlparam;
1491                 int desc_on = 0; // description mode
1492
1493                 LyXLayout_ptr const & style = pit->layout();
1494
1495                 // environment tag closing
1496                 for (; depth > pit->params().depth(); --depth) {
1497                         if (environment_inner[depth] != "!-- --") {
1498                                 item_name = "listitem";
1499                                 lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
1500                                 if (environment_inner[depth] == "varlistentry")
1501                                         lines += sgml::closeTag(os, depth+command_depth, mixcont, environment_inner[depth]);
1502                         }
1503                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1504                         environment_stack[depth].erase();
1505                         environment_inner[depth].erase();
1506                 }
1507
1508                 if (depth == pit->params().depth()
1509                    && environment_stack[depth] != style->latexname()
1510                    && !environment_stack[depth].empty()) {
1511                         if (environment_inner[depth] != "!-- --") {
1512                                 item_name= "listitem";
1513                                 lines += sgml::closeTag(os, command_depth+depth, mixcont, item_name);
1514                                 if (environment_inner[depth] == "varlistentry")
1515                                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
1516                         }
1517
1518                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1519
1520                         environment_stack[depth].erase();
1521                         environment_inner[depth].erase();
1522                 }
1523
1524                 // Write opening SGML tags.
1525                 switch (style->latextype) {
1526                 case LATEX_PARAGRAPH:
1527                         lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexname());
1528                         break;
1529
1530                 case LATEX_COMMAND:
1531                         buf->sgmlError(pit, 0,  _("Error: LatexType Command not allowed here.\n"));
1532                         return -1;
1533                         break;
1534
1535                 case LATEX_ENVIRONMENT:
1536                 case LATEX_ITEM_ENVIRONMENT:
1537                         if (depth < pit->params().depth()) {
1538                                 depth = pit->params().depth();
1539                                 environment_stack[depth].erase();
1540                         }
1541
1542                         if (environment_stack[depth] != style->latexname()) {
1543                                 if (environment_stack.size() == depth + 1) {
1544                                         environment_stack.push_back("!-- --");
1545                                         environment_inner.push_back("!-- --");
1546                                 }
1547                                 environment_stack[depth] = style->latexname();
1548                                 environment_inner[depth] = "!-- --";
1549                                 lines += sgml::openTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1550                         } else {
1551                                 if (environment_inner[depth] != "!-- --") {
1552                                         item_name= "listitem";
1553                                         lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
1554                                         if (environment_inner[depth] == "varlistentry")
1555                                                 lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
1556                                 }
1557                         }
1558
1559                         if (style->latextype == LATEX_ENVIRONMENT) {
1560                                 if (!style->latexparam().empty()) {
1561                                         if (style->latexparam() == "CDATA")
1562                                                 os << "<![CDATA[";
1563                                         else
1564                                           lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexparam());
1565                                 }
1566                                 break;
1567                         }
1568
1569                         desc_on = (style->labeltype == LABEL_MANUAL);
1570
1571                         environment_inner[depth] = desc_on ? "varlistentry" : "listitem";
1572                         lines += sgml::openTag(os, depth + 1 + command_depth, mixcont, environment_inner[depth]);
1573
1574                         item_name = desc_on ? "term" : "para";
1575                         lines += sgml::openTag(os, depth + 1 + command_depth, mixcont, item_name);
1576
1577                         break;
1578                 default:
1579                         lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexname());
1580                         break;
1581                 }
1582
1583                 buf->simpleDocBookOnePar(os, pit, desc_on, depth + 1 + command_depth);
1584
1585                 string end_tag;
1586                 // write closing SGML tags
1587                 switch (style->latextype) {
1588                 case LATEX_ENVIRONMENT:
1589                         if (!style->latexparam().empty()) {
1590                                 if (style->latexparam() == "CDATA")
1591                                         os << "]]>";
1592                                 else
1593                                         lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexparam());
1594                         }
1595                         break;
1596                 case LATEX_ITEM_ENVIRONMENT:
1597                         if (desc_on == 1) break;
1598                         end_tag= "para";
1599                         lines += sgml::closeTag(os, depth + 1 + command_depth, mixcont, end_tag);
1600                         break;
1601                 case LATEX_PARAGRAPH:
1602                         lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexname());
1603                         break;
1604                 default:
1605                         lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexname());
1606                         break;
1607                 }
1608         }
1609
1610         // Close open tags
1611         for (int d = depth; d >= 0; --d) {
1612                 if (!environment_stack[depth].empty()) {
1613                         if (environment_inner[depth] != "!-- --") {
1614                                 item_name = "listitem";
1615                                 lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
1616                                if (environment_inner[depth] == "varlistentry")
1617                                        lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
1618                         }
1619
1620                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1621                 }
1622         }
1623
1624         return lines;
1625 }
1626
1627
1628 void InsetText::validate(LaTeXFeatures & features) const
1629 {
1630         for_each(paragraphs.begin(), paragraphs.end(),
1631                  boost::bind(&Paragraph::validate, _1, boost::ref(features)));
1632 }
1633
1634
1635 void InsetText::getCursor(BufferView & bv, int & x, int & y) const
1636 {
1637         if (the_locking_inset) {
1638                 the_locking_inset->getCursor(bv, x, y);
1639                 return;
1640         }
1641         x = cx(&bv);
1642         y = cy(&bv) + InsetText::y();
1643 }
1644
1645
1646 void InsetText::getCursorPos(BufferView * bv, int & x, int & y) const
1647 {
1648         if (the_locking_inset) {
1649                 the_locking_inset->getCursorPos(bv, x, y);
1650                 return;
1651         }
1652         x = cx(bv) - top_x - TEXT_TO_INSET_OFFSET;
1653         y = cy(bv) - TEXT_TO_INSET_OFFSET;
1654 }
1655
1656
1657 int InsetText::insetInInsetY() const
1658 {
1659         if (!the_locking_inset)
1660                 return 0;
1661
1662         return (inset_y + the_locking_inset->insetInInsetY());
1663 }
1664
1665
1666 void InsetText::fitInsetCursor(BufferView * bv) const
1667 {
1668         if (the_locking_inset) {
1669                 the_locking_inset->fitInsetCursor(bv);
1670                 return;
1671         }
1672         LyXFont const font =
1673                 getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1674
1675         int const asc = font_metrics::maxAscent(font);
1676         int const desc = font_metrics::maxDescent(font);
1677
1678         if (bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc))
1679                 need_update |= FULL;
1680 }
1681
1682
1683 Inset::RESULT
1684 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1685 {
1686         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1687                 return moveLeftIntern(bv, false, activate_inset, selecting);
1688         else
1689                 return moveRightIntern(bv, true, activate_inset, selecting);
1690 }
1691
1692
1693 Inset::RESULT
1694 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1695 {
1696         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1697                 return moveRightIntern(bv, true, activate_inset, selecting);
1698         else
1699                 return moveLeftIntern(bv, false, activate_inset, selecting);
1700 }
1701
1702
1703 Inset::RESULT
1704 InsetText::moveRightIntern(BufferView * bv, bool front,
1705                            bool activate_inset, bool selecting)
1706 {
1707         LyXText * text = getLyXText(bv);
1708
1709         ParagraphList::iterator c_par = cpar(bv);
1710
1711         if (boost::next(c_par) == paragraphs.end() &&
1712             (cpos(bv) >= c_par->size()))
1713                 return FINISHED_RIGHT;
1714         if (activate_inset && checkAndActivateInset(bv, front))
1715                 return DISPATCHED;
1716         text->cursorRight(bv);
1717         if (!selecting)
1718                 text->clearSelection();
1719         return DISPATCHED_NOUPDATE;
1720 }
1721
1722
1723 Inset::RESULT
1724 InsetText::moveLeftIntern(BufferView * bv, bool front,
1725                           bool activate_inset, bool selecting)
1726 {
1727         LyXText * text = getLyXText(bv);
1728
1729         if (cpar(bv) == paragraphs.begin() && (cpos(bv) <= 0))
1730                 return FINISHED;
1731         text->cursorLeft(bv);
1732         if (!selecting)
1733                 text->clearSelection();
1734         if (activate_inset && checkAndActivateInset(bv, front))
1735                 return DISPATCHED;
1736         return DISPATCHED_NOUPDATE;
1737 }
1738
1739
1740 Inset::RESULT InsetText::moveUp(BufferView * bv)
1741 {
1742         if (crow(bv) == getLyXText(bv)->rows().begin())
1743                 return FINISHED_UP;
1744         getLyXText(bv)->cursorUp(bv);
1745         getLyXText(bv)->clearSelection();
1746         return DISPATCHED_NOUPDATE;
1747 }
1748
1749
1750 Inset::RESULT InsetText::moveDown(BufferView * bv)
1751 {
1752         if (boost::next(crow(bv)) == getLyXText(bv)->rows().end())
1753                 return FINISHED_DOWN;
1754         getLyXText(bv)->cursorDown(bv);
1755         getLyXText(bv)->clearSelection();
1756         return DISPATCHED_NOUPDATE;
1757 }
1758
1759
1760 bool InsetText::insertInset(BufferView * bv, Inset * inset)
1761 {
1762         if (the_locking_inset) {
1763                 if (the_locking_inset->insetAllowed(inset))
1764                         return the_locking_inset->insertInset(bv, inset);
1765                 return false;
1766         }
1767         inset->setOwner(this);
1768         getLyXText(bv)->insertInset(inset);
1769         bv->fitCursor();
1770         updateLocal(bv, CURSOR_PAR|CURSOR, true);
1771         return true;
1772 }
1773
1774
1775 bool InsetText::insetAllowed(Inset::Code code) const
1776 {
1777         // in_insetAllowed is a really gross hack,
1778         // to allow us to call the owner's insetAllowed
1779         // without stack overflow, which can happen
1780         // when the owner uses InsetCollapsable::insetAllowed()
1781         bool ret = true;
1782         if (in_insetAllowed)
1783                 return ret;
1784         in_insetAllowed = true;
1785         if (the_locking_inset)
1786                 ret = the_locking_inset->insetAllowed(code);
1787         else if (owner())
1788                 ret = owner()->insetAllowed(code);
1789         in_insetAllowed = false;
1790         return ret;
1791 }
1792
1793
1794 UpdatableInset * InsetText::getLockingInset() const
1795 {
1796         return the_locking_inset ? the_locking_inset->getLockingInset() :
1797                 const_cast<InsetText *>(this);
1798 }
1799
1800
1801 UpdatableInset * InsetText::getFirstLockingInsetOfType(Inset::Code c)
1802 {
1803         if (c == lyxCode())
1804                 return this;
1805         if (the_locking_inset)
1806                 return the_locking_inset->getFirstLockingInsetOfType(c);
1807         return 0;
1808 }
1809
1810
1811 bool InsetText::showInsetDialog(BufferView * bv) const
1812 {
1813         if (the_locking_inset)
1814                 return the_locking_inset->showInsetDialog(bv);
1815         return false;
1816 }
1817
1818
1819 vector<string> const InsetText::getLabelList() const
1820 {
1821         vector<string> label_list;
1822
1823         ParagraphList::iterator pit = paragraphs.begin();
1824         ParagraphList::iterator pend = paragraphs.end();
1825         for (; pit != pend; ++pit) {
1826                 InsetList::iterator beg = pit->insetlist.begin();
1827                 InsetList::iterator end = pit->insetlist.end();
1828                 for (; beg != end; ++beg) {
1829                         vector<string> const l = beg.getInset()->getLabelList();
1830                         label_list.insert(label_list.end(), l.begin(), l.end());
1831                 }
1832         }
1833         return label_list;
1834 }
1835
1836
1837 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
1838                         bool selectall)
1839 {
1840         if (the_locking_inset) {
1841                 the_locking_inset->setFont(bv, font, toggleall, selectall);
1842                 return;
1843         }
1844         if ((boost::next(paragraphs.begin()) == paragraphs.end() &&
1845              paragraphs.begin()->empty()) || cpar(bv)->empty()) {
1846                 getLyXText(bv)->setFont(font, toggleall);
1847                 return;
1848         }
1849         bool clear = false;
1850         if (!lt) {
1851                 lt = getLyXText(bv);
1852                 clear = true;
1853         }
1854         if (lt->selection.set()) {
1855                 setUndo(bv, Undo::EDIT, lt->cursor.par(), boost::next(lt->cursor.par()));
1856         }
1857         if (selectall)
1858                 selectAll(bv);
1859         lt->toggleFree(font, toggleall);
1860         if (selectall)
1861                 lt->clearSelection();
1862         bv->fitCursor();
1863         bool flag = (selectall || lt->selection.set());
1864         if (clear)
1865                 lt = 0;
1866         if (flag)
1867                 updateLocal(bv, FULL, true);
1868         else
1869                 updateLocal(bv, CURSOR_PAR, true);
1870 }
1871
1872
1873 bool InsetText::checkAndActivateInset(BufferView * bv, bool front)
1874 {
1875         if (cpar(bv)->isInset(cpos(bv))) {
1876                 Inset * inset =
1877                         static_cast<UpdatableInset*>(cpar(bv)->getInset(cpos(bv)));
1878                 if (!isHighlyEditableInset(inset))
1879                         return false;
1880                 FuncRequest cmd(bv, LFUN_INSET_EDIT, front ? "left" : "right");
1881                 inset->localDispatch(cmd);
1882                 if (!the_locking_inset)
1883                         return false;
1884                 updateLocal(bv, CURSOR, false);
1885                 return true;
1886         }
1887         return false;
1888 }
1889
1890
1891 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1892                                       mouse_button::state button)
1893 {
1894         x -= drawTextXOffset;
1895         int dummyx = x;
1896         int dummyy = y + dim_.a;
1897         Inset * inset = getLyXText(bv)->checkInsetHit(dummyx, dummyy);
1898         // we only do the edit() call if the inset was hit by the mouse
1899         // or if it is a highly editable inset. So we should call this
1900         // function from our own edit with button < 0.
1901         // FIXME: GUII jbl. I've changed this to ::none for now which is probably
1902         // WRONG
1903         if (button == mouse_button::none && !isHighlyEditableInset(inset))
1904                 return false;
1905
1906         if (inset) {
1907                 if (x < 0)
1908                         x = dim_.w;
1909                 if (y < 0)
1910                         y = dim_.d;
1911                 inset_x = cix(bv) - top_x + drawTextXOffset;
1912                 inset_y = ciy(bv) + drawTextYOffset;
1913                 FuncRequest cmd(bv, LFUN_INSET_EDIT, x - inset_x, y - inset_y, button);
1914                 inset->localDispatch(cmd);
1915                 if (!the_locking_inset)
1916                         return false;
1917                 updateLocal(bv, CURSOR, false);
1918                 return true;
1919         }
1920         return false;
1921 }
1922
1923
1924 int InsetText::getMaxWidth(BufferView * bv, UpdatableInset const * inset) const
1925 {
1926 #if 0
1927         int w = UpdatableInset::getMaxWidth(bv, inset);
1928         if (w < 0) {
1929                 return -1;
1930         }
1931         if (owner()) {
1932                 w = w - top_x + owner()->x();
1933                 return w;
1934         }
1935         w -= (2 * TEXT_TO_INSET_OFFSET);
1936         return w - top_x;
1937 #else
1938         return UpdatableInset::getMaxWidth(bv, inset);
1939 #endif
1940 }
1941
1942
1943 void InsetText::setParagraphData(ParagraphList const & plist, bool same_id)
1944 {
1945         // we have to unlock any locked inset otherwise we're in troubles
1946         the_locking_inset = 0;
1947
1948         paragraphs.clear();
1949         ParagraphList::iterator pit = plist.begin();
1950         ParagraphList::iterator pend = plist.end();
1951         for (; pit != pend; ++pit) {
1952                 Paragraph * new_par = new Paragraph(*pit, same_id);
1953                 new_par->setInsetOwner(this);
1954                 paragraphs.push_back(new_par);
1955         }
1956
1957         reinitLyXText();
1958         need_update = INIT;
1959 }
1960
1961
1962 void InsetText::markNew(bool track_changes)
1963 {
1964         ParagraphList::iterator pit = paragraphs.begin();
1965         ParagraphList::iterator pend = paragraphs.end();
1966         for (; pit != pend; ++pit) {
1967                 if (track_changes) {
1968                         pit->trackChanges();
1969                 } else {
1970                         // no-op when not tracking
1971                         pit->cleanChanges();
1972                 }
1973         }
1974 }
1975
1976
1977 void InsetText::setText(string const & data, LyXFont const & font)
1978 {
1979         clear(false);
1980         for (unsigned int i = 0; i < data.length(); ++i)
1981                 paragraphs.begin()->insertChar(i, data[i], font);
1982         reinitLyXText();
1983 }
1984
1985
1986 void InsetText::setAutoBreakRows(bool flag)
1987 {
1988         if (flag != autoBreakRows) {
1989                 autoBreakRows = flag;
1990                 if (!flag)
1991                         removeNewlines();
1992                 need_update = INIT;
1993         }
1994 }
1995
1996
1997 void InsetText::setDrawFrame(BufferView * bv, DrawFrame how)
1998 {
1999         if (how != drawFrame_) {
2000                 drawFrame_ = how;
2001                 if (bv)
2002                         updateLocal(bv, DRAW_FRAME, false);
2003         }
2004 }
2005
2006
2007 void InsetText::setFrameColor(BufferView * bv, LColor::color col)
2008 {
2009         if (frame_color != col) {
2010                 frame_color = col;
2011                 if (bv)
2012                         updateLocal(bv, DRAW_FRAME, false);
2013         }
2014 }
2015
2016
2017 int InsetText::cx(BufferView * bv) const
2018 {
2019         // we do nothing dangerous so we use a local cache
2020         LyXText * llt = getLyXText(bv);
2021         int x = llt->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
2022         if (the_locking_inset) {
2023                 LyXFont font = llt->getFont(bv->buffer(), llt->cursor.par(),
2024                                             llt->cursor.pos());
2025                 if (font.isVisibleRightToLeft())
2026                         x -= the_locking_inset->width(bv, font);
2027         }
2028         return x;
2029 }
2030
2031
2032 int InsetText::cix(BufferView * bv) const
2033 {
2034         // we do nothing dangerous so we use a local cache
2035         LyXText * llt = getLyXText(bv);
2036         int x = llt->cursor.ix() + top_x + TEXT_TO_INSET_OFFSET;
2037         if (the_locking_inset) {
2038                 LyXFont font = llt->getFont(bv->buffer(), llt->cursor.par(),
2039                                             llt->cursor.pos());
2040                 if (font.isVisibleRightToLeft())
2041                         x -= the_locking_inset->width(bv, font);
2042         }
2043         return x;
2044 }
2045
2046
2047 int InsetText::cy(BufferView * bv) const
2048 {
2049         LyXFont font;
2050         return getLyXText(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
2051 }
2052
2053
2054 int InsetText::ciy(BufferView * bv) const
2055 {
2056         LyXFont font;
2057         return getLyXText(bv)->cursor.iy() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
2058 }
2059
2060
2061 pos_type InsetText::cpos(BufferView * bv) const
2062 {
2063         return getLyXText(bv)->cursor.pos();
2064 }
2065
2066
2067 ParagraphList::iterator InsetText::cpar(BufferView * bv) const
2068 {
2069         return getLyXText(bv)->cursor.par();
2070 }
2071
2072
2073 bool InsetText::cboundary(BufferView * bv) const
2074 {
2075         return getLyXText(bv)->cursor.boundary();
2076 }
2077
2078
2079 RowList::iterator InsetText::crow(BufferView * bv) const
2080 {
2081         return getLyXText(bv)->cursor.row();
2082 }
2083
2084
2085 LyXText * InsetText::getLyXText(BufferView const * lbv,
2086                                 bool const recursive) const
2087 {
2088         if (cached_bview == lbv) {
2089                 if (recursive && the_locking_inset)
2090                         return the_locking_inset->getLyXText(lbv, true);
2091                 LyXText * lt = cached_text.get();
2092                 lyx::Assert(lt && lt->rows().begin()->par() == paragraphs.begin());
2093                 return lt;
2094         }
2095         // Super UGLY! (Lgb)
2096         BufferView * bv = const_cast<BufferView *>(lbv);
2097
2098         cached_bview = bv;
2099         Cache::iterator it = cache.find(bv);
2100
2101         if (it != cache.end()) {
2102                 if (do_reinit) {
2103                         reinitLyXText();
2104                 } else if (do_resize) {
2105                         resizeLyXText(do_resize);
2106                 } else {
2107                         if (lt || !it->second.remove) {
2108                                 lyx::Assert(it->second.text.get());
2109                                 cached_text = it->second.text;
2110                                 if (recursive && the_locking_inset) {
2111                                         return the_locking_inset->getLyXText(bv, true);
2112                                 }
2113                                 return cached_text.get();
2114                         } else if (it->second.remove) {
2115                                 if (locked) {
2116                                         saveLyXTextState(it->second.text.get());
2117                                 } else {
2118                                         sstate.lpar = 0;
2119                                 }
2120                         }
2121                         //
2122                         // when we have to reinit the existing LyXText!
2123                         //
2124                         it->second.text->init(bv);
2125                         restoreLyXTextState(it->second.text.get());
2126                         it->second.remove = false;
2127                 }
2128                 cached_text = it->second.text;
2129                 if (the_locking_inset && recursive) {
2130                         return the_locking_inset->getLyXText(bv);
2131                 }
2132                 return cached_text.get();
2133         }
2134         ///
2135         // we are here only if we don't have a BufferView * in the cache!!!
2136         ///
2137         cached_text.reset(new LyXText(bv, const_cast<InsetText *>(this)));
2138         cached_text->init(bv);
2139         restoreLyXTextState(cached_text.get());
2140
2141         cache.insert(make_pair(bv, cached_text));
2142
2143         if (the_locking_inset && recursive) {
2144                 return the_locking_inset->getLyXText(bv);
2145         }
2146         return cached_text.get();
2147 }
2148
2149
2150 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
2151 {
2152         cached_bview = 0;
2153
2154         Cache::iterator it = cache.find(bv);
2155
2156         if (it == cache.end()) {
2157                 return;
2158         }
2159
2160         lyx::Assert(it->second.text.get());
2161
2162         it->second.remove = true;
2163         if (recursive) {
2164                 /// then remove all LyXText in text-insets
2165                 for_each(paragraphs.begin(), paragraphs.end(),
2166                          boost::bind(&Paragraph::deleteInsetsLyXText, _1, bv));
2167         }
2168 }
2169
2170
2171 void InsetText::resizeLyXText(BufferView * bv, bool force) const
2172 {
2173         if (lt) {
2174                 // we cannot resize this because we are in use!
2175                 // so do this on the next possible getLyXText()
2176                 do_resize = bv;
2177                 return;
2178         }
2179         do_resize = 0;
2180         if (boost::next(paragraphs.begin()) == paragraphs.end() &&
2181             paragraphs.begin()->empty()) { // no data, resize not neccessary!
2182                 // we have to do this as a fixed width may have changed!
2183                 LyXText * t = getLyXText(bv);
2184                 saveLyXTextState(t);
2185                 t->init(bv, true);
2186                 restoreLyXTextState(t);
2187                 return;
2188         }
2189         // one endless line, resize normally not necessary
2190         if (!force && getMaxWidth(bv, this) < 0)
2191                 return;
2192
2193         Cache::iterator it = cache.find(bv);
2194         if (it == cache.end()) {
2195                 return;
2196         }
2197         lyx::Assert(it->second.text.get());
2198
2199         LyXText * t = it->second.text.get();
2200         saveLyXTextState(t);
2201
2202         for_each(paragraphs.begin(), paragraphs.end(),
2203                  boost::bind(&Paragraph::resizeInsetsLyXText, _1, bv));
2204
2205         t->init(bv, true);
2206         restoreLyXTextState(t);
2207         if (the_locking_inset) {
2208                 inset_x = cix(bv) - top_x + drawTextXOffset;
2209                 inset_y = ciy(bv) + drawTextYOffset;
2210         }
2211
2212         t->top_y(bv->screen().topCursorVisible(t->cursor, t->top_y()));
2213         if (!owner()) {
2214                 const_cast<InsetText*>(this)->updateLocal(bv, FULL, false);
2215                 // this will scroll the screen such that the cursor becomes visible
2216                 bv->updateScrollbar();
2217         } else {
2218                 need_update |= FULL;
2219         }
2220 }
2221
2222
2223 void InsetText::reinitLyXText() const
2224 {
2225         if (lt) {
2226                 // we cannot resize this because we are in use!
2227                 // so do this on the next possible getLyXText()
2228                 do_reinit = true;
2229                 return;
2230         }
2231         do_reinit = false;
2232         do_resize = 0;
2233         for (Cache::iterator it = cache.begin(); it != cache.end(); ++it) {
2234                 lyx::Assert(it->second.text.get());
2235
2236                 LyXText * t = it->second.text.get();
2237                 BufferView * bv = it->first;
2238
2239                 saveLyXTextState(t);
2240
2241                 for_each(paragraphs.begin(), paragraphs.end(),
2242                          boost::bind(&Paragraph::resizeInsetsLyXText, _1, bv));
2243
2244                 t->init(bv, true);
2245                 restoreLyXTextState(t);
2246                 if (the_locking_inset) {
2247                         inset_x = cix(bv) - top_x + drawTextXOffset;
2248                         inset_y = ciy(bv) + drawTextYOffset;
2249                 }
2250                 t->top_y(bv->screen().topCursorVisible(t->cursor, t->top_y()));
2251                 if (!owner()) {
2252                         const_cast<InsetText*>(this)->updateLocal(bv, FULL, false);
2253                         // this will scroll the screen such that the cursor becomes visible
2254                         bv->updateScrollbar();
2255                 } else {
2256                         need_update = FULL;
2257                 }
2258         }
2259 }
2260
2261
2262 void InsetText::removeNewlines()
2263 {
2264         bool changed = false;
2265
2266         ParagraphList::iterator it = paragraphs.begin();
2267         ParagraphList::iterator end = paragraphs.end();
2268         for (; it != end; ++it) {
2269                 for (int i = 0; i < it->size(); ++i) {
2270                         if (it->isNewline(i)) {
2271                                 changed = true;
2272                                 it->erase(i);
2273                         }
2274                 }
2275         }
2276         if (changed)
2277                 reinitLyXText();
2278 }
2279
2280
2281 bool InsetText::nodraw() const
2282 {
2283         if (the_locking_inset)
2284                 return the_locking_inset->nodraw();
2285         return UpdatableInset::nodraw();
2286 }
2287
2288
2289 int InsetText::scroll(bool recursive) const
2290 {
2291         int sx = UpdatableInset::scroll(false);
2292
2293         if (recursive && the_locking_inset)
2294                 sx += the_locking_inset->scroll(recursive);
2295
2296         return sx;
2297 }
2298
2299
2300 void InsetText::selectAll(BufferView * bv)
2301 {
2302         getLyXText(bv)->cursorTop();
2303         getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
2304         getLyXText(bv)->cursorBottom();
2305         getLyXText(bv)->setSelection();
2306 }
2307
2308
2309 void InsetText::clearSelection(BufferView * bv)
2310 {
2311         getLyXText(bv)->clearSelection();
2312 }
2313
2314
2315 void InsetText::clearInset(BufferView * bv, int start_x, int baseline) const
2316 {
2317         Painter & pain = bv->painter();
2318         int w = dim_.w;
2319         int h = dim_.a + dim_.d;
2320         int ty = baseline - dim_.a;
2321
2322         if (ty < 0) {
2323                 h += ty;
2324                 ty = 0;
2325         }
2326         if ((ty + h) > pain.paperHeight())
2327                 h = pain.paperHeight();
2328         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
2329                 w = pain.paperWidth();
2330         pain.fillRectangle(start_x + 1, ty + 1, w - 3, h - 1, backgroundColor());
2331         need_update = FULL;
2332 }
2333
2334
2335 ParagraphList * InsetText::getParagraphs(int i) const
2336 {
2337         return (i == 0) ? const_cast<ParagraphList*>(&paragraphs) : 0;
2338 }
2339
2340
2341 LyXCursor const & InsetText::cursor(BufferView * bv) const
2342 {
2343         if (the_locking_inset)
2344                 return the_locking_inset->cursor(bv);
2345         return getLyXText(bv)->cursor;
2346 }
2347
2348
2349 Inset * InsetText::getInsetFromID(int id_arg) const
2350 {
2351         if (id_arg == id())
2352                 return const_cast<InsetText *>(this);
2353
2354         ParagraphList::iterator pit = paragraphs.begin();
2355         ParagraphList::iterator pend = paragraphs.end();
2356         for (; pit != pend; ++pit) {
2357                 InsetList::iterator it = pit->insetlist.begin();
2358                 InsetList::iterator end = pit->insetlist.end();
2359                 for (; it != end; ++it) {
2360                         if (it.getInset()->id() == id_arg)
2361                                 return it.getInset();
2362                         Inset * in = it.getInset()->getInsetFromID(id_arg);
2363                         if (in)
2364                                 return in;
2365                 }
2366         }
2367         return 0;
2368 }
2369
2370
2371 WordLangTuple const
2372 InsetText::selectNextWordToSpellcheck(BufferView * bv,
2373                                       float & value) const
2374 {
2375         bool clear = false;
2376         WordLangTuple word;
2377
2378         if (!lt) {
2379                 lt = getLyXText(bv);
2380                 clear = true;
2381         }
2382         if (the_locking_inset) {
2383                 word = the_locking_inset->selectNextWordToSpellcheck(bv, value);
2384                 if (!word.word().empty()) {
2385                         value += cy(bv);
2386                         if (clear)
2387                                 lt = 0;
2388                         return word;
2389                 }
2390                 // we have to go on checking so move cursor to the next char
2391                 lt->cursor.pos(lt->cursor.pos() + 1);
2392         }
2393         word = lt->selectNextWordToSpellcheck(value);
2394         if (word.word().empty())
2395                 bv->unlockInset(const_cast<InsetText *>(this));
2396         else
2397                 value = cy(bv);
2398         if (clear)
2399                 lt = 0;
2400         return word;
2401 }
2402
2403
2404 void InsetText::selectSelectedWord(BufferView * bv)
2405 {
2406         if (the_locking_inset) {
2407                 the_locking_inset->selectSelectedWord(bv);
2408                 return;
2409         }
2410         getLyXText(bv)->selectSelectedWord();
2411         updateLocal(bv, SELECTION, false);
2412 }
2413
2414
2415 void InsetText::toggleSelection(BufferView * bv, bool kill_selection)
2416 {
2417         if (the_locking_inset) {
2418                 the_locking_inset->toggleSelection(bv, kill_selection);
2419         }
2420         bool clear = false;
2421         if (!lt) {
2422                 lt = getLyXText(bv);
2423                 clear = true;
2424         }
2425
2426         int x = top_x + TEXT_TO_INSET_OFFSET;
2427
2428         RowList::iterator rowit = lt->rows().begin();
2429         RowList::iterator end = lt->rows().end();
2430         int y_offset = top_baseline - rowit->ascent_of_text();
2431         int y = y_offset;
2432         while ((rowit != end) && ((y + rowit->height()) <= 0)) {
2433                 y += rowit->height();
2434                 ++rowit;
2435         }
2436         if (y_offset < 0)
2437                 y_offset = y;
2438
2439         if (need_update & SELECTION)
2440                 need_update = NONE;
2441         bv->screen().toggleSelection(lt, bv, kill_selection, y_offset, x);
2442         if (clear)
2443                 lt = 0;
2444 }
2445
2446
2447 bool InsetText::nextChange(BufferView * bv, lyx::pos_type & length)
2448 {
2449         bool clear = false;
2450         if (!lt) {
2451                 lt = getLyXText(bv);
2452                 clear = true;
2453         }
2454         if (the_locking_inset) {
2455                 if (the_locking_inset->nextChange(bv, length))
2456                         return true;
2457                 lt->cursorRight(true);
2458         }
2459         lyxfind::SearchResult result =
2460                 lyxfind::findNextChange(bv, lt, length);
2461
2462         if (result == lyxfind::SR_FOUND) {
2463                 LyXCursor cur = lt->cursor;
2464                 bv->unlockInset(bv->theLockingInset());
2465                 if (bv->lockInset(this))
2466                         locked = true;
2467                 lt->cursor = cur;
2468                 lt->setSelectionRange(length);
2469                 updateLocal(bv, SELECTION, false);
2470         }
2471         if (clear)
2472                 lt = 0;
2473         return result != lyxfind::SR_NOT_FOUND;
2474 }
2475
2476
2477 bool InsetText::searchForward(BufferView * bv, string const & str,
2478                               bool cs, bool mw)
2479 {
2480         bool clear = false;
2481         if (!lt) {
2482                 lt = getLyXText(bv);
2483                 clear = true;
2484         }
2485         if (the_locking_inset) {
2486                 if (the_locking_inset->searchForward(bv, str, cs, mw))
2487                         return true;
2488                 lt->cursorRight(true);
2489         }
2490         lyxfind::SearchResult result =
2491                 lyxfind::LyXFind(bv, lt, str, true, cs, mw);
2492
2493         if (result == lyxfind::SR_FOUND) {
2494                 LyXCursor cur = lt->cursor;
2495                 bv->unlockInset(bv->theLockingInset());
2496                 if (bv->lockInset(this))
2497                         locked = true;
2498                 lt->cursor = cur;
2499                 lt->setSelectionRange(str.length());
2500                 updateLocal(bv, SELECTION, false);
2501         }
2502         if (clear)
2503                 lt = 0;
2504         return (result != lyxfind::SR_NOT_FOUND);
2505 }
2506
2507 bool InsetText::searchBackward(BufferView * bv, string const & str,
2508                                bool cs, bool mw)
2509 {
2510         if (the_locking_inset) {
2511                 if (the_locking_inset->searchBackward(bv, str, cs, mw))
2512                         return true;
2513         }
2514         bool clear = false;
2515         if (!lt) {
2516                 lt = getLyXText(bv);
2517                 clear = true;
2518         }
2519         if (!locked) {
2520                 ParagraphList::iterator pit = paragraphs.begin();
2521                 ParagraphList::iterator pend = paragraphs.end();
2522
2523                 while (boost::next(pit) != pend)
2524                         ++pit;
2525
2526                 lt->setCursor(pit, pit->size());
2527         }
2528         lyxfind::SearchResult result =
2529                 lyxfind::LyXFind(bv, lt, str, false, cs, mw);
2530
2531         if (result == lyxfind::SR_FOUND) {
2532                 LyXCursor cur = lt->cursor;
2533                 bv->unlockInset(bv->theLockingInset());
2534                 if (bv->lockInset(this))
2535                         locked = true;
2536                 lt->cursor = cur;
2537                 lt->setSelectionRange(str.length());
2538                 updateLocal(bv, SELECTION, false);
2539         }
2540         if (clear)
2541                 lt = 0;
2542         return (result != lyxfind::SR_NOT_FOUND);
2543 }
2544
2545
2546 bool InsetText::checkInsertChar(LyXFont & font)
2547 {
2548         if (owner())
2549                 return owner()->checkInsertChar(font);
2550         return true;
2551 }
2552
2553
2554 void InsetText::collapseParagraphs(BufferView * bv)
2555 {
2556         LyXText * llt = getLyXText(bv);
2557
2558         while (boost::next(paragraphs.begin()) != paragraphs.end()) {
2559                 if (!paragraphs.begin()->empty() &&
2560                     !boost::next(paragraphs.begin())->empty() &&
2561                         !paragraphs.begin()->isSeparator(paragraphs.begin()->size() - 1))
2562                 {
2563                         paragraphs.begin()->insertChar(paragraphs.begin()->size(), ' ');
2564                 }
2565                 if (llt->selection.set()) {
2566                         if (llt->selection.start.par() == boost::next(paragraphs.begin())) {
2567                                 llt->selection.start.par(paragraphs.begin());
2568                                 llt->selection.start.pos(
2569                                         llt->selection.start.pos() + paragraphs.begin()->size());
2570                         }
2571                         if (llt->selection.end.par() == boost::next(paragraphs.begin())) {
2572                                 llt->selection.end.par(paragraphs.begin());
2573                                 llt->selection.end.pos(
2574                                         llt->selection.end.pos() + paragraphs.begin()->size());
2575                         }
2576                 }
2577                 mergeParagraph(bv->buffer()->params, paragraphs, paragraphs.begin());
2578         }
2579         reinitLyXText();
2580 }
2581
2582
2583 void InsetText::getDrawFont(LyXFont & font) const
2584 {
2585         if (!owner())
2586                 return;
2587         owner()->getDrawFont(font);
2588 }
2589
2590
2591 void InsetText::appendParagraphs(Buffer * buffer, ParagraphList & plist)
2592 {
2593 #warning FIXME Check if Changes stuff needs changing here. (Lgb)
2594 // And it probably does. You have to take a look at this John. (Lgb)
2595 #warning John, have a look here. (Lgb)
2596 #if 0
2597         BufferParams const & bparams = buffer->params;
2598         Paragraph * buf;
2599         Paragraph * tmpbuf = newpar;
2600         Paragraph * lastbuffer = buf = new Paragraph(*tmpbuf, false);
2601         if (bparams.tracking_changes)
2602                 buf->cleanChanges();
2603
2604         while (tmpbuf->next()) {
2605                 tmpbuf = tmpbuf->next();
2606                 lastbuffer->next(new Paragraph(*tmpbuf, false));
2607                 lastbuffer->next()->previous(lastbuffer);
2608                 lastbuffer = lastbuffer->next();
2609                 if (bparams.tracking_changes)
2610                         lastbuffer->cleanChanges();
2611         }
2612
2613         lastbuffer = &*(paragraphs.begin());
2614         while (lastbuffer->next())
2615                 lastbuffer = lastbuffer->next();
2616         if (!newpar->empty() && !lastbuffer->empty() &&
2617                 !lastbuffer->isSeparator(lastbuffer->size() - 1))
2618         {
2619                 lastbuffer->insertChar(lastbuffer->size(), ' ');
2620         }
2621
2622         // make the buf exactly the same layout than our last paragraph
2623         buf->makeSameLayout(lastbuffer);
2624
2625         // paste it!
2626         lastbuffer->next(buf);
2627         buf->previous(lastbuffer);
2628         mergeParagraph(buffer->params, paragraphs, lastbuffer);
2629 #else
2630         ParagraphList::iterator pit = plist.begin();
2631         ParagraphList::iterator ins = paragraphs.insert(paragraphs.end(),
2632                                                         new Paragraph(*pit, false));
2633         ++pit;
2634         mergeParagraph(buffer->params, paragraphs, boost::prior(ins));
2635
2636         ParagraphList::iterator pend = plist.end();
2637         for (; pit != pend; ++pit) {
2638                 paragraphs.push_back(new Paragraph(*pit, false));
2639         }
2640
2641 #endif
2642
2643         reinitLyXText();
2644 }
2645
2646
2647 void InsetText::addPreview(grfx::PreviewLoader & loader) const
2648 {
2649         ParagraphList::iterator pit = paragraphs.begin();
2650         ParagraphList::iterator pend = paragraphs.end();
2651
2652         for (; pit != pend; ++pit) {
2653                 InsetList::iterator it  = pit->insetlist.begin();
2654                 InsetList::iterator end = pit->insetlist.end();
2655                 for (; it != end; ++it) {
2656                         it.getInset()->addPreview(loader);
2657                 }
2658         }
2659 }