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 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include "insettext.h"
  18
  19 #include "buffer.h"
  20 #include "BufferView.h"
  21 #include "CutAndPaste.h"
  22 #include "debug.h"
  23 #include "funcrequest.h"
  24 #include "gettext.h"
  25 #include "intl.h"
  26 #include "LaTeXFeatures.h"
  27 #include "LColor.h"
  28 #include "lyxfont.h"
  29 #include "lyxcursor.h"
  30 #include "lyxfind.h"
  31 #include "lyxlex.h"
  32 #include "lyxrow.h"
  33 #include "lyxrc.h"
  34 #include "lyxtext.h"
  35 #include "paragraph.h"
  36 #include "ParagraphParameters.h"
  37 #include "trans_mgr.h"
  38 #include "undo_funcs.h"
  39 #include "WordLangTuple.h"
  40 #include "paragraph_funcs.h"
  41 #include "sgml.h"
  42
  43 #include "frontends/Alert.h"
  44 #include "frontends/Dialogs.h"
  45 #include "frontends/font_metrics.h"
  46 #include "frontends/LyXView.h"
  47 #include "frontends/Painter.h"
  48 #include "frontends/screen.h"
  49
  50 #include "support/textutils.h"
  51 #include "support/LAssert.h"
  52 #include "support/lstrings.h"
  53 #include "support/lyxalgo.h" // lyx::count
  54
  55 #include <boost/bind.hpp>
  56
  57 #include <fstream>
  58 #include <algorithm>
  59 #include <cstdlib>
  60 //#include <csignal>
  61
  62 using std::ostream;
  63 using std::ifstream;
  64 using std::endl;
  65 using std::min;
  66 using std::max;
  67 using std::make_pair;
  68 using std::vector;
  69 using std::pair;
  70 using std::for_each;
  71
  72 using lyx::pos_type;
  73 using lyx::textclass_type;
  74
  75 extern unsigned char getCurrentTextClass(Buffer *);
  76 extern bool math_insert_greek(BufferView *, char);
  77 extern int greek_kb_flag;
  78
  79
  80 // These functions should probably go into bufferview_funcs somehow (Jug)
  81
  82 void InsetText::saveLyXTextState(LyXText * t) const
  83 {
  84         // check if my paragraphs are still valid
  85         ParagraphList::iterator it = paragraphs.begin();
  86         ParagraphList::iterator end = paragraphs.end();
  87         for (; it != end; ++it) {
  88                 if (&*it == t->cursor.par())
  89                         break;
  90         }
  91
  92         if (it != end && t->cursor.pos() <= it->size()) {
  93                 sstate.lpar = t->cursor.par();
  94                 sstate.pos = t->cursor.pos();
  95                 sstate.boundary = t->cursor.boundary();
  96                 sstate.selstartpar = t->selection.start.par();
  97                 sstate.selstartpos = t->selection.start.pos();
  98                 sstate.selstartboundary = t->selection.start.boundary();
  99                 sstate.selendpar = t->selection.end.par();
 100                 sstate.selendpos = t->selection.end.pos();
 101                 sstate.selendboundary = t->selection.end.boundary();
 102                 sstate.selection = t->selection.set();
 103                 sstate.mark_set = t->selection.mark();
 104                 sstate.refresh = t->refresh_row != 0;
 105         } else {
 106                 sstate.lpar = 0;
 107         }
 108 }
 109
 110 void InsetText::restoreLyXTextState(BufferView * bv, LyXText * t) const
 111 {
 112         if (sstate.lpar) {
 113                 t->selection.set(true);
 114                 /* at this point just to avoid the Delete-Empty-Paragraph
 115                  * Mechanism when setting the cursor */
 116                 t->selection.mark(sstate.mark_set);
 117                 if (sstate.selection) {
 118                         t->setCursor(bv, sstate.selstartpar, sstate.selstartpos,
 119                                      true, sstate.selstartboundary);
 120                         t->selection.cursor = t->cursor;
 121                         t->setCursor(bv, sstate.selendpar, sstate.selendpos,
 122                                      true, sstate.selendboundary);
 123                         t->setSelection(bv);
 124                         t->setCursor(bv, sstate.lpar, sstate.pos);
 125                 } else {
 126                         t->setCursor(bv, sstate.lpar, sstate.pos, true, sstate.boundary);
 127                         t->selection.cursor = t->cursor;
 128                         t->selection.set(false);
 129                 }
 130                 if (sstate.refresh) {
 131                 }
 132         }
 133 }
 134
 135
 136 InsetText::InnerCache::InnerCache(boost::shared_ptr<LyXText> t)
 137 {
 138         text = t;
 139         remove = false;
 140 }
 141
 142
 143 InsetText::InsetText(BufferParams const & bp)
 144         : UpdatableInset(), lt(0), in_update(false), do_resize(0),
 145           do_reinit(false)
 146 {
 147         paragraphs.set(new Paragraph);
 148         paragraphs.begin()->layout(bp.getLyXTextClass().defaultLayout());
 149         init();
 150 }
 151
 152
 153 InsetText::InsetText(InsetText const & in, bool same_id)
 154         : UpdatableInset(in, same_id), lt(0), in_update(false), do_resize(0),
 155           do_reinit(false)
 156 {
 157         init(&in, same_id);
 158 }
 159
 160
 161 InsetText & InsetText::operator=(InsetText const & it)
 162 {
 163         init(&it);
 164         return * this;
 165 }
 166
 167
 168 void InsetText::init(InsetText const * ins, bool same_id)
 169 {
 170         if (ins) {
 171                 setParagraphData(&*(ins->paragraphs.begin()), same_id);
 172                 autoBreakRows = ins->autoBreakRows;
 173                 drawFrame_ = ins->drawFrame_;
 174                 frame_color = ins->frame_color;
 175                 if (same_id)
 176                         id_ = ins->id_;
 177         } else {
 178                 for_each(paragraphs.begin(), paragraphs.end(),
 179                          boost::bind(&Paragraph::setInsetOwner, _1, this));
 180
 181                 the_locking_inset = 0;
 182                 drawFrame_ = NEVER;
 183                 frame_color = LColor::insetframe;
 184                 autoBreakRows = false;
 185         }
 186         top_y = 0;
 187         insetAscent = 0;
 188         insetDescent = 0;
 189         insetWidth = 0;
 190         old_max_width = 0;
 191         no_selection = true;
 192         need_update = FULL;
 193         drawTextXOffset = 0;
 194         drawTextYOffset = 0;
 195         locked = false;
 196         old_par = 0;
 197         last_drawn_width = -1;
 198         frame_is_visible = false;
 199         cached_bview = 0;
 200         sstate.lpar = 0;
 201         in_insetAllowed = false;
 202 }
 203
 204
 205 InsetText::~InsetText()
 206 {
 207         paragraphs.clear();
 208 }
 209
 210
 211 void InsetText::clear()
 212 {
 213         // This is a gross hack...
 214         LyXLayout_ptr old_layout = paragraphs.begin()->layout();
 215
 216         paragraphs.clear();
 217         paragraphs.set(new Paragraph);
 218         paragraphs.begin()->setInsetOwner(this);
 219         paragraphs.begin()->layout(old_layout);
 220
 221         reinitLyXText();
 222         need_update = INIT;
 223 }
 224
 225
 226 Inset * InsetText::clone(Buffer const &, bool same_id) const
 227 {
 228         return new InsetText(*this, same_id);
 229 }
 230
 231
 232 void InsetText::write(Buffer const * buf, ostream & os) const
 233 {
 234         os << "Text\n";
 235         writeParagraphData(buf, os);
 236 }
 237
 238
 239 void InsetText::writeParagraphData(Buffer const * buf, ostream & os) const
 240 {
 241         ParagraphList::iterator it = paragraphs.begin();
 242         ParagraphList::iterator end = paragraphs.end();
 243         Paragraph::depth_type dth = 0;
 244         for (; it != end; ++it) {
 245                 it->write(buf, os, buf->params, dth);
 246         }
 247 }
 248
 249
 250 void InsetText::read(Buffer const * buf, LyXLex & lex)
 251 {
 252         string token;
 253         int pos = 0;
 254         Paragraph * return_par = 0;
 255         Paragraph::depth_type depth = 0;
 256         LyXFont font(LyXFont::ALL_INHERIT);
 257
 258         clear();
 259
 260         while (lex.isOK()) {
 261                 lex.nextToken();
 262                 token = lex.getString();
 263                 if (token.empty())
 264                         continue;
 265                 if (token == "\\end_inset") {
 266                         break;
 267                 }
 268
 269                 Paragraph * tmp = &*(paragraphs.begin());
 270
 271                 if (const_cast<Buffer*>(buf)->
 272                         parseSingleLyXformat2Token(lex, tmp, return_par,
 273                                                    token, pos, depth, font)) {
 274                         // the_end read this should NEVER happen
 275                         lex.printError("\\the_end read in inset! Error in document!");
 276                         return;
 277                 }
 278                 paragraphs.set(tmp);
 279         }
 280         if (!return_par)
 281                 return_par = &*(paragraphs.begin());
 282         paragraphs.set(return_par);
 283         while (return_par) {
 284                 return_par->setInsetOwner(this);
 285                 return_par = return_par->next();
 286         }
 287
 288         if (token != "\\end_inset") {
 289                 lex.printError("Missing \\end_inset at this point. "
 290                                            "Read: `$$Token'");
 291         }
 292         need_update = FULL;
 293 }
 294
 295
 296 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 297 {
 298         insetAscent = getLyXText(bv)->firstRow()->ascent_of_text() +
 299                 TEXT_TO_INSET_OFFSET;
 300         return insetAscent;
 301 }
 302
 303
 304 int InsetText::descent(BufferView * bv, LyXFont const &) const
 305 {
 306         LyXText * llt = getLyXText(bv);
 307         insetDescent = llt->height - llt->firstRow()->ascent_of_text() +
 308                 TEXT_TO_INSET_OFFSET;
 309         return insetDescent;
 310 }
 311
 312
 313 int InsetText::width(BufferView * bv, LyXFont const &) const
 314 {
 315         insetWidth = max(textWidth(bv), (int)getLyXText(bv)->width) +
 316                 (2 * TEXT_TO_INSET_OFFSET);
 317         insetWidth = max(insetWidth, 10);
 318         return insetWidth;
 319 }
 320
 321
 322 int InsetText::textWidth(BufferView * bv, bool fordraw) const
 323 {
 324         int w;
 325         if (!autoBreakRows) {
 326                 w = -1;
 327         } else {
 328                 w = getMaxWidth(bv, this);
 329         }
 330         if (fordraw) {
 331                 return max(w - (2 * TEXT_TO_INSET_OFFSET),
 332                            (int)getLyXText(bv)->width);
 333         } else if (w < 0) {
 334             return -1;
 335         }
 336         return w - (2 * TEXT_TO_INSET_OFFSET);
 337 }
 338
 339
 340 void InsetText::draw(BufferView * bv, LyXFont const & f,
 341                      int baseline, float & x, bool cleared) const
 342 {
 343         if (nodraw())
 344                 return;
 345
 346         Painter & pain = bv->painter();
 347
 348         // this is the first thing we have to ask because if the x pos
 349         // changed we have to do a complete rebreak of the text as we
 350         // may have few space to draw in. Well we should check on this too
 351         int old_x = top_x;
 352         if (top_x != int(x)) {
 353                 top_x = int(x);
 354                 topx_set = true;
 355                 int nw = getMaxWidth(bv, this);
 356                 if (nw > 0 && old_max_width != nw) {
 357                         need_update = INIT;
 358                         old_max_width = nw;
 359                         bv->text->status(bv, LyXText::CHANGED_IN_DRAW);
 360                         return;
 361                 }
 362         }
 363
 364         // call these methods so that insetWidth, insetAscent and
 365         // insetDescent have the right values.
 366         width(bv, f);
 367         ascent(bv, f);
 368         descent(bv, f);
 369
 370         // repaint the background if needed
 371         if (cleared && backgroundColor() != LColor::background) {
 372                 clearInset(bv, baseline, cleared);
 373         }
 374
 375         // no draw is necessary !!!
 376         if ((drawFrame_ == LOCKED) && !locked && paragraphs.begin()->empty()) {
 377                 top_baseline = baseline;
 378                 x += width(bv, f);
 379                 if (need_update & CLEAR_FRAME)
 380                         clearFrame(pain, cleared);
 381                 need_update = NONE;
 382                 return;
 383         }
 384
 385         if (!owner())
 386                 x += static_cast<float>(scroll());
 387
 388         // if top_x differs we did it already
 389         if (!cleared && (old_x == int(x))
 390             && ((need_update&(INIT|FULL)) || (top_baseline != baseline)
 391                 ||(last_drawn_width != insetWidth)))
 392         {
 393                 // Condition necessary to eliminate bug 59 attachment 37
 394                 if (baseline > 0)
 395                         clearInset(bv, baseline, cleared);
 396         }
 397
 398         if (cleared)
 399                 frame_is_visible = false;
 400
 401         if (!cleared && (need_update == NONE)) {
 402                 if (locked)
 403                         drawFrame(pain, cleared);
 404                 return;
 405         }
 406
 407         top_baseline = baseline;
 408         top_y = baseline - insetAscent;
 409
 410         if (last_drawn_width != insetWidth) {
 411                 if (!cleared)
 412                         clearInset(bv, baseline, cleared);
 413                 need_update |= FULL;
 414                 last_drawn_width = insetWidth;
 415         }
 416
 417         if (the_locking_inset && (cpar(bv) == inset_par)
 418                 && (cpos(bv) == inset_pos)) {
 419                 inset_x = cix(bv) - top_x + drawTextXOffset;
 420                 inset_y = ciy(bv) + drawTextYOffset;
 421         }
 422         if (!cleared && (need_update == CURSOR)
 423             && !getLyXText(bv)->selection.set()) {
 424                 drawFrame(pain, cleared);
 425                 x += insetWidth;
 426                 need_update = NONE;
 427                 return;
 428         }
 429         bool clear = false;
 430         if (!lt) {
 431                 lt = getLyXText(bv);
 432                 clear = true;
 433         }
 434         x += TEXT_TO_INSET_OFFSET;
 435
 436         Row * row = lt->firstRow();
 437         int y_offset = baseline - row->ascent_of_text();
 438         int ph = pain.paperHeight();
 439         int first = 0;
 440         int y = y_offset;
 441         while ((row != 0) && ((y+row->height()) <= 0)) {
 442                 y += row->height();
 443                 first += row->height();
 444                 row = row->next();
 445         }
 446         if (y_offset < 0) {
 447                 lt->first_y = -y_offset;
 448                 first = y;
 449                 y_offset = 0;
 450         } else {
 451                 lt->first_y = first;
 452                 first = 0;
 453         }
 454         if (cleared || (need_update&(INIT|FULL))) {
 455                 int yf = y_offset + first;
 456                 y = 0;
 457                 while ((row != 0) && (yf < ph)) {
 458                         lt->getVisibleRow(bv, y + y_offset + first, int(x),
 459                                           row, y + lt->first_y, cleared);
 460                         if (bv->text->status() == LyXText::CHANGED_IN_DRAW) {
 461                                 lt->need_break_row = row;
 462                                 lt->fullRebreak(bv);
 463                                 lt->setCursor(bv, lt->cursor.par(),
 464                                               lt->cursor.pos());
 465                                 if (lt->selection.set()) {
 466                                         lt->setCursor(bv, lt->selection.start,
 467                                                       lt->selection.start.par(),
 468                                                       lt->selection.start.pos());
 469                                         lt->setCursor(bv, lt->selection.end,
 470                                                       lt->selection.end.par(),
 471                                                       lt->selection.end.pos());
 472                                 }
 473                                 break;
 474                         }
 475                         y += row->height();
 476                         yf += row->height();
 477                         row = row->next();
 478                 }
 479         } else if (!locked) {
 480                 if (need_update & CURSOR) {
 481                         bv->screen().toggleSelection(lt, bv, true, y_offset,int(x));
 482                         lt->clearSelection();
 483                         lt->selection.cursor = lt->cursor;
 484                 }
 485                 bv->screen().update(lt, bv, y_offset, int(x));
 486         } else {
 487                 locked = false;
 488                 if (need_update & SELECTION) {
 489                         bv->screen().toggleToggle(lt, bv, y_offset, int(x));
 490                 } else if (need_update & CURSOR) {
 491                         bv->screen().toggleSelection(lt, bv, true, y_offset,int(x));
 492                         lt->clearSelection();
 493                         lt->selection.cursor = lt->cursor;
 494                 }
 495                 bv->screen().update(lt, bv, y_offset, int(x));
 496                 locked = true;
 497         }
 498
 499         lt->refresh_y = 0;
 500         lt->status(bv, LyXText::UNCHANGED);
 501         if ((drawFrame_ == ALWAYS) ||
 502                 ((cleared || (need_update != CURSOR_PAR)) &&
 503                  (drawFrame_ == LOCKED) && locked))
 504         {
 505                 drawFrame(pain, cleared);
 506         } else if (need_update & CLEAR_FRAME) {
 507                 clearFrame(pain, cleared);
 508         }
 509
 510         x += insetWidth - TEXT_TO_INSET_OFFSET;
 511
 512         if (bv->text->status() == LyXText::CHANGED_IN_DRAW) {
 513                 need_update |= FULL;
 514         } else if (need_update != INIT) {
 515                 need_update = NONE;
 516         }
 517         if (clear)
 518                 lt = 0;
 519 }
 520
 521
 522 void InsetText::drawFrame(Painter & pain, bool cleared) const
 523 {
 524         static int const ttoD2 = TEXT_TO_INSET_OFFSET / 2;
 525         if (!frame_is_visible || cleared) {
 526                 frame_x = top_x + ttoD2;
 527                 frame_y = top_baseline - insetAscent + ttoD2;
 528                 frame_w = insetWidth - TEXT_TO_INSET_OFFSET;
 529                 frame_h = insetAscent + insetDescent - TEXT_TO_INSET_OFFSET;
 530                 pain.rectangle(frame_x, frame_y, frame_w, frame_h,
 531                                frame_color);
 532                 frame_is_visible = true;
 533         }
 534 }
 535
 536
 537 void InsetText::clearFrame(Painter & pain, bool cleared) const
 538 {
 539         if (frame_is_visible) {
 540                 if (!cleared) {
 541                         pain.rectangle(frame_x, frame_y, frame_w, frame_h,
 542                                        backgroundColor());
 543                 }
 544                 frame_is_visible = false;
 545         }
 546 }
 547
 548
 549 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 550 {
 551         if (in_update) {
 552                 if (reinit && owner()) {
 553                         reinitLyXText();
 554                         owner()->update(bv, font, true);
 555                 }
 556                 return;
 557         }
 558         in_update = true;
 559         if (reinit || need_update == INIT) {
 560                 need_update = FULL;
 561                 // we should put this call where we set need_update to INIT!
 562                 reinitLyXText();
 563                 if (owner())
 564                         owner()->update(bv, font, true);
 565                 in_update = false;
 566                 return;
 567         }
 568
 569         if (!autoBreakRows && paragraphs.begin()->next())
 570                 collapseParagraphs(bv);
 571
 572         if (the_locking_inset) {
 573                 inset_x = cix(bv) - top_x + drawTextXOffset;
 574                 inset_y = ciy(bv) + drawTextYOffset;
 575                 the_locking_inset->update(bv, font, reinit);
 576         }
 577
 578         bool clear = false;
 579         if (!lt) {
 580                 lt = getLyXText(bv);
 581                 clear = true;
 582         }
 583         if ((need_update & CURSOR_PAR) && (lt->status() == LyXText::UNCHANGED) &&
 584                 the_locking_inset)
 585         {
 586                 lt->updateInset(bv, the_locking_inset);
 587         }
 588         if (lt->status() == LyXText::NEED_MORE_REFRESH)
 589                 need_update |= FULL;
 590         if (clear)
 591                 lt = 0;
 592         in_update = false;
 593 }
 594
 595
 596 void InsetText::setUpdateStatus(BufferView * bv, int what) const
 597 {
 598         // this does nothing dangerous so use only a localized buffer
 599         LyXText * llt = getLyXText(bv);
 600
 601         need_update |= what;
 602         // we have to redraw us full if our LyXText NEEDS_MORE_REFRES or
 603         // if we don't break row so that we only have one row to update!
 604         if ((llt->status() == LyXText::NEED_MORE_REFRESH) ||
 605             (!autoBreakRows &&
 606              (llt->status() == LyXText::NEED_VERY_LITTLE_REFRESH)))
 607         {
 608                 need_update |= FULL;
 609         } else if (llt->status() == LyXText::NEED_VERY_LITTLE_REFRESH) {
 610                 need_update |= CURSOR_PAR;
 611         }
 612
 613         // this to not draw a selection when we redraw all of it!
 614         if (need_update & CURSOR && !(need_update & SELECTION)) {
 615                 if (llt->selection.set())
 616                         need_update = FULL;
 617                 llt->clearSelection();
 618         }
 619 }
 620
 621
 622 void InsetText::updateLocal(BufferView * bv, int what, bool mark_dirty) const
 623 {
 624         if (!autoBreakRows && paragraphs.begin()->next())
 625                 collapseParagraphs(bv);
 626         bool clear = false;
 627         if (!lt) {
 628                 lt = getLyXText(bv);
 629                 clear = true;
 630         }
 631         lt->fullRebreak(bv);
 632         setUpdateStatus(bv, what);
 633         bool flag = mark_dirty ||
 634                 (((need_update != CURSOR) && (need_update != NONE)) ||
 635                  (lt->status() != LyXText::UNCHANGED) || lt->selection.set());
 636         if (!lt->selection.set())
 637                 lt->selection.cursor = lt->cursor;
 638         if (clear)
 639                 lt = 0;
 640 #if 0
 641         // IMO this is not anymore needed as we do this in fitInsetCursor!
 642         // and we always get "true" as returnvalue of this function in the
 643         // case of a locking inset (Jug 20020412)
 644         if (locked && (need_update & CURSOR) && bv->fitCursor())
 645                 need_update |= FULL;
 646 #else
 647         bv->fitCursor();
 648 #endif
 649         if (flag)
 650                 bv->updateInset(const_cast<InsetText *>(this), mark_dirty);
 651
 652         if (need_update == CURSOR)
 653                 need_update = NONE;
 654         bv->owner()->view_state_changed();
 655         bv->owner()->updateMenubar();
 656         bv->owner()->updateToolbar();
 657         if (old_par != cpar(bv)) {
 658                 bv->owner()->setLayout(cpar(bv)->layout()->name());
 659                 old_par = cpar(bv);
 660         }
 661 }
 662
 663
 664 string const InsetText::editMessage() const
 665 {
 666         return _("Opened Text Inset");
 667 }
 668
 669
 670 void InsetText::edit(BufferView * bv, int x, int y, mouse_button::state button)
 671 {
 672         UpdatableInset::edit(bv, x, y, button);
 673
 674         if (!bv->lockInset(this)) {
 675                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 676                 return;
 677         }
 678         locked = true;
 679         the_locking_inset = 0;
 680         inset_pos = inset_x = inset_y = 0;
 681         inset_boundary = false;
 682         inset_par = 0;
 683         old_par = 0;
 684         int tmp_y = (y < 0) ? 0 : y;
 685         bool clear = false;
 686         if (!lt) {
 687                 lt = getLyXText(bv);
 688                 clear = true;
 689         }
 690         // we put here -1 and not button as now the button in the
 691         // edit call should not be needed we will fix this in 1.3.x
 692         // cycle hopefully (Jug 20020509)
 693         // FIXME: GUII I've changed this to none: probably WRONG
 694         if (!checkAndActivateInset(bv, x, tmp_y, mouse_button::none)) {
 695                 lt->setCursorFromCoordinates(bv, x - drawTextXOffset,
 696                                             y + insetAscent);
 697                 lt->cursor.x_fix(lt->cursor.x());
 698         }
 699         lt->clearSelection();
 700         finishUndo();
 701         // If the inset is empty set the language of the current font to the
 702         // language to the surronding text (if different).
 703         if (paragraphs.begin()->empty() && !paragraphs.begin()->next() &&
 704                 bv->getParentLanguage(this) != lt->current_font.language())
 705         {
 706                 LyXFont font(LyXFont::ALL_IGNORE);
 707                 font.setLanguage(bv->getParentLanguage(this));
 708                 setFont(bv, font, false);
 709         }
 710         if (clear)
 711                 lt = 0;
 712
 713         int code = CURSOR;
 714         if (drawFrame_ == LOCKED)
 715                 code = CURSOR|DRAW_FRAME;
 716         updateLocal(bv, code, false);
 717         showInsetCursor(bv);
 718
 719         // Tell the paragraph dialog that we've entered an insettext.
 720         bv->owner()->getDialogs().updateParagraph();
 721 }
 722
 723
 724 void InsetText::edit(BufferView * bv, bool front)
 725 {
 726         UpdatableInset::edit(bv, front);
 727
 728         if (!bv->lockInset(this)) {
 729                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 730                 return;
 731         }
 732         locked = true;
 733         the_locking_inset = 0;
 734         inset_pos = inset_x = inset_y = 0;
 735         inset_boundary = false;
 736         inset_par = 0;
 737         old_par = 0;
 738         bool clear = false;
 739         if (!lt) {
 740                 lt = getLyXText(bv);
 741                 clear = true;
 742         }
 743         if (front)
 744                 lt->setCursor(bv, &*(paragraphs.begin()), 0);
 745         else {
 746                 ParagraphList::iterator it = paragraphs.begin();
 747                 ParagraphList::iterator end = paragraphs.end();
 748                 while (boost::next(it) != end)
 749                         ++it;
 750 //              int const pos = (p->size() ? p->size()-1 : p->size());
 751                 lt->setCursor(bv, &*it, it->size());
 752         }
 753         lt->clearSelection();
 754         finishUndo();
 755         // If the inset is empty set the language of the current font to the
 756         // language to the surronding text (if different).
 757         if (paragraphs.begin()->empty() && !paragraphs.begin()->next() &&
 758                 bv->getParentLanguage(this) != lt->current_font.language()) {
 759                 LyXFont font(LyXFont::ALL_IGNORE);
 760                 font.setLanguage(bv->getParentLanguage(this));
 761                 setFont(bv, font, false);
 762         }
 763         if (clear)
 764                 lt = 0;
 765         int code = CURSOR;
 766         if (drawFrame_ == LOCKED)
 767                 code = CURSOR|DRAW_FRAME;
 768         updateLocal(bv, code, false);
 769         showInsetCursor(bv);
 770 }
 771
 772
 773 void InsetText::insetUnlock(BufferView * bv)
 774 {
 775         if (the_locking_inset) {
 776                 the_locking_inset->insetUnlock(bv);
 777                 the_locking_inset = 0;
 778                 updateLocal(bv, CURSOR_PAR, false);
 779         }
 780         hideInsetCursor(bv);
 781         no_selection = true;
 782         locked = false;
 783         int code = NONE;
 784 #if 0
 785         if (drawFrame_ == LOCKED)
 786                 code = CURSOR|CLEAR_FRAME;
 787         else
 788                 code = CURSOR;
 789 #else
 790         if (drawFrame_ == LOCKED)
 791                 code = CLEAR_FRAME;
 792 #endif
 793         bool clear = false;
 794         if (!lt) {
 795                 lt = getLyXText(bv);
 796                 clear = true;
 797         }
 798         if (lt->selection.set()) {
 799                 lt->clearSelection();
 800                 code = FULL;
 801         } else if (owner()) {
 802                 bv->owner()->setLayout(owner()->getLyXText(bv)
 803                                        ->cursor.par()->layout()->name());
 804         } else
 805                 bv->owner()->setLayout(bv->text->cursor.par()->layout()->name());
 806         // hack for deleteEmptyParMech
 807         if (!paragraphs.begin()->empty()) {
 808                 lt->setCursor(bv, &*(paragraphs.begin()), 0);
 809         } else if (paragraphs.begin()->next()) {
 810                 lt->setCursor(bv, paragraphs.begin()->next(), 0);
 811         }
 812         if (clear)
 813                 lt = 0;
 814 #if 0
 815         updateLocal(bv, code, false);
 816 #else
 817         if (code != NONE)
 818                 setUpdateStatus(bv, code);
 819 #endif
 820 }
 821
 822
 823 void InsetText::lockInset(BufferView * bv)
 824 {
 825         locked = true;
 826         the_locking_inset = 0;
 827         inset_pos = inset_x = inset_y = 0;
 828         inset_boundary = false;
 829         inset_par = 0;
 830         old_par = 0;
 831         bool clear = false;
 832         if (!lt) {
 833                 lt = getLyXText(bv);
 834                 clear = true;
 835         }
 836         lt->setCursor(bv, &*(paragraphs.begin()), 0);
 837         lt->clearSelection();
 838         finishUndo();
 839         // If the inset is empty set the language of the current font to the
 840         // language to the surronding text (if different).
 841         if (paragraphs.begin()->empty() && !paragraphs.begin()->next() &&
 842                 bv->getParentLanguage(this) != lt->current_font.language()) {
 843                 LyXFont font(LyXFont::ALL_IGNORE);
 844                 font.setLanguage(bv->getParentLanguage(this));
 845                 setFont(bv, font, false);
 846         }
 847         if (clear)
 848                 lt = 0;
 849         int code = CURSOR;
 850         if (drawFrame_ == LOCKED)
 851                 code = CURSOR|DRAW_FRAME;
 852         setUpdateStatus(bv, code);
 853 }
 854
 855
 856 void InsetText::lockInset(BufferView * bv, UpdatableInset * inset)
 857 {
 858         the_locking_inset = inset;
 859         inset_x = cix(bv) - top_x + drawTextXOffset;
 860         inset_y = ciy(bv) + drawTextYOffset;
 861         inset_pos = cpos(bv);
 862         inset_par = cpar(bv);
 863         inset_boundary = cboundary(bv);
 864         updateLocal(bv, CURSOR, false);
 865 }
 866
 867
 868 bool InsetText::lockInsetInInset(BufferView * bv, UpdatableInset * inset)
 869 {
 870         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 871                               << inset << "): ";
 872         if (!inset)
 873                 return false;
 874         if (!the_locking_inset) {
 875                 Paragraph * p = &*(paragraphs.begin());
 876                 int const id = inset->id();
 877                 while(p) {
 878                         InsetList::iterator it =
 879                                 p->insetlist.begin();
 880                         InsetList::iterator const end =
 881                                 p->insetlist.end();
 882                         for (; it != end; ++it) {
 883                                 if (it.getInset() == inset) {
 884                                         getLyXText(bv)->setCursorIntern(bv, p, it.getPos());
 885                                         lockInset(bv, inset);
 886                                         return true;
 887                                 }
 888                                 if (it.getInset()->getInsetFromID(id)) {
 889                                         getLyXText(bv)->setCursorIntern(bv, p, it.getPos());
 890                                         it.getInset()->edit(bv);
 891                                         return the_locking_inset->lockInsetInInset(bv, inset);
 892                                 }
 893                         }
 894                         p = p->next();
 895                 }
 896                 return false;
 897         }
 898         if (inset == cpar(bv)->getInset(cpos(bv))) {
 899                 lyxerr[Debug::INSETS] << "OK" << endl;
 900                 lockInset(bv, inset);
 901                 return true;
 902         } else if (the_locking_inset && (the_locking_inset == inset)) {
 903                 if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 904                         lyxerr[Debug::INSETS] << "OK" << endl;
 905                         inset_x = cix(bv) - top_x + drawTextXOffset;
 906                         inset_y = ciy(bv) + drawTextYOffset;
 907                 } else {
 908                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 909                 }
 910         } else if (the_locking_inset) {
 911                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 912                 return the_locking_inset->lockInsetInInset(bv, inset);
 913         }
 914         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 915         return false;
 916 }
 917
 918
 919 bool InsetText::unlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 920                                    bool lr)
 921 {
 922         if (!the_locking_inset)
 923                 return false;
 924         if (the_locking_inset == inset) {
 925                 the_locking_inset->insetUnlock(bv);
 926                 getLyXText(bv)->updateInset(bv, inset);
 927                 the_locking_inset = 0;
 928                 if (lr)
 929                         moveRightIntern(bv, true, false);
 930                 old_par = 0; // force layout setting
 931                 if (scroll())
 932                         scroll(bv, 0.0F);
 933                 else
 934                         updateLocal(bv, CURSOR, false);
 935                 return true;
 936         }
 937         return the_locking_inset->unlockInsetInInset(bv, inset, lr);
 938 }
 939
 940
 941 bool InsetText::updateInsetInInset(BufferView * bv, Inset * inset)
 942 {
 943         if (!autoBreakRows && paragraphs.begin()->next())
 944                 collapseParagraphs(bv);
 945         if (inset == this)
 946                 return true;
 947         bool clear = false;
 948         if (!lt) {
 949                 lt = getLyXText(bv);
 950                 clear = true;
 951         }
 952         if (inset->owner() != this) {
 953                 int ustat = CURSOR_PAR;
 954                 bool found = false;
 955                 UpdatableInset * tl_inset = the_locking_inset;
 956                 if (tl_inset)
 957                         found = tl_inset->updateInsetInInset(bv, inset);
 958                 if (!found) {
 959                         tl_inset = static_cast<UpdatableInset *>(inset);
 960                         while(tl_inset->owner() && tl_inset->owner() != this)
 961                                 tl_inset = static_cast<UpdatableInset *>(tl_inset->owner());
 962                         if (!tl_inset->owner())
 963                                 return false;
 964                         found = tl_inset->updateInsetInInset(bv, inset);
 965                         ustat = FULL;
 966                 }
 967                 if (found)
 968                         lt->updateInset(bv, tl_inset);
 969                 if (clear)
 970                         lt = 0;
 971                 if (found)
 972                         setUpdateStatus(bv, ustat);
 973                 return found;
 974         }
 975         bool found = lt->updateInset(bv, inset);
 976         if (clear)
 977                 lt = 0;
 978         if (found) {
 979                 setUpdateStatus(bv, CURSOR_PAR);
 980                 if (the_locking_inset &&
 981                     cpar(bv) == inset_par && cpos(bv) == inset_pos)
 982                 {
 983                         inset_x = cix(bv) - top_x + drawTextXOffset;
 984                         inset_y = ciy(bv) + drawTextYOffset;
 985                 }
 986         }
 987         return found;
 988 }
 989
 990
 991 void InsetText::lfunMousePress(FuncRequest const & cmd)
 992 {
 993         no_selection = true;
 994
 995         // use this to check mouse motion for selection!
 996         mouse_x = cmd.x;
 997         mouse_y = cmd.y;
 998
 999         BufferView * bv = cmd.view();
1000         FuncRequest cmd1 = cmd;
1001         cmd1.x -= inset_x;
1002         cmd1.y -= inset_y;
1003         if (!locked)
1004                 lockInset(bv);
1005
1006         int tmp_x = cmd.x - drawTextXOffset;
1007         int tmp_y = cmd.y + insetAscent - getLyXText(bv)->first_y;
1008         Inset * inset = getLyXText(bv)->checkInsetHit(bv, tmp_x, tmp_y);
1009
1010         hideInsetCursor(bv);
1011         if (the_locking_inset) {
1012                 if (the_locking_inset == inset) {
1013                         the_locking_inset->localDispatch(cmd1);
1014                         return;
1015                 }
1016 #if 0
1017                 else if (inset) {
1018                         // otherwise unlock the_locking_inset and lock the new inset
1019                         the_locking_inset->insetUnlock(bv);
1020                         inset_x = cix(bv) - top_x + drawTextXOffset;
1021                         inset_y = ciy(bv) + drawTextYOffset;
1022                         the_locking_inset = 0;
1023                         inset->localDispatch(cmd1);
1024 //                      inset->edit(bv, x - inset_x, y - inset_y, button);
1025                         if (the_locking_inset)
1026                                 updateLocal(bv, CURSOR, false);
1027                         return;
1028                 }
1029 #endif
1030                 // otherwise only unlock the_locking_inset
1031                 the_locking_inset->insetUnlock(bv);
1032                 the_locking_inset = 0;
1033         }
1034         if (!inset)
1035                 no_selection = false;
1036
1037         if (bv->theLockingInset()) {
1038                 if (isHighlyEditableInset(inset)) {
1039                         // We just have to lock the inset before calling a
1040                         // PressEvent on it!
1041                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
1042                         if (!bv->lockInset(uinset)) {
1043                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
1044                         }
1045                         inset->localDispatch(cmd1);
1046                         if (the_locking_inset)
1047                                 updateLocal(bv, CURSOR, false);
1048                         return;
1049                 }
1050         }
1051         if (!inset) { // && (button == mouse_button::button2)) {
1052                 bool paste_internally = false;
1053                 if (cmd.button() == mouse_button::button2 && getLyXText(bv)->selection.set()) {
1054                         localDispatch(FuncRequest(bv, LFUN_COPY));
1055                         paste_internally = true;
1056                 }
1057                 bool clear = false;
1058                 if (!lt) {
1059                         lt = getLyXText(bv);
1060                         clear = true;
1061                 }
1062                 int old_first_y = lt->first_y;
1063
1064                 lt->setCursorFromCoordinates(bv, cmd.x - drawTextXOffset,
1065                                              cmd.y + insetAscent);
1066                 // set the selection cursor!
1067                 lt->selection.cursor = lt->cursor;
1068                 lt->cursor.x_fix(lt->cursor.x());
1069
1070                 if (lt->selection.set()) {
1071                         lt->clearSelection();
1072                         if (clear)
1073                                 lt = 0;
1074                         updateLocal(bv, FULL, false);
1075                 } else {
1076                         lt->clearSelection();
1077                         if (clear)
1078                                 lt = 0;
1079                         updateLocal(bv, CURSOR, false);
1080                 }
1081
1082                 bv->owner()->setLayout(cpar(bv)->layout()->name());
1083
1084                 // we moved the view we cannot do mouse selection in this case!
1085                 if (getLyXText(bv)->first_y != old_first_y)
1086                         no_selection = true;
1087                 old_par = cpar(bv);
1088                 // Insert primary selection with middle mouse
1089                 // if there is a local selection in the current buffer,
1090                 // insert this
1091                 if (cmd.button() == mouse_button::button2) {
1092                         if (paste_internally)
1093                                 localDispatch(FuncRequest(bv, LFUN_PASTE));
1094                         else
1095                                 localDispatch(FuncRequest(bv, LFUN_PASTESELECTION, "paragraph"));
1096                 }
1097         } else {
1098                 getLyXText(bv)->clearSelection();
1099         }
1100         showInsetCursor(bv);
1101 }
1102
1103
1104 bool InsetText::lfunMouseRelease(FuncRequest const & cmd)
1105 {
1106         BufferView * bv = cmd.view();
1107         FuncRequest cmd1 = cmd;
1108         cmd1.x -= inset_x;
1109         cmd1.y -= inset_y;
1110
1111         no_selection = true;
1112         if (the_locking_inset)
1113                 return the_locking_inset->localDispatch(cmd1);
1114
1115         int tmp_x = cmd.x - drawTextXOffset;
1116         int tmp_y = cmd.y + insetAscent - getLyXText(bv)->first_y;
1117         Inset * inset = getLyXText(bv)->checkInsetHit(bv, tmp_x, tmp_y);
1118         bool ret = false;
1119         if (inset) {
1120                 if (isHighlyEditableInset(inset))
1121                         ret = inset->localDispatch(cmd1);
1122                 else {
1123                         inset_x = cix(bv) - top_x + drawTextXOffset;
1124                         inset_y = ciy(bv) + drawTextYOffset;
1125                         cmd1.x = cmd.x - inset_x;
1126                         cmd1.y = cmd.x - inset_y;
1127 // note that we should do ret = inset->localDispatch(cmd1)
1128 // and fix this instead (Alfredo);
1129                         ret = true;
1130                         inset->edit(bv, cmd1.x, cmd1.y, cmd.button());
1131                 }
1132                 updateLocal(bv, CURSOR_PAR, false);
1133         }
1134         return ret;
1135 }
1136
1137
1138 void InsetText::lfunMouseMotion(FuncRequest const & cmd)
1139 {
1140         FuncRequest cmd1 = cmd;
1141         cmd1.x -= inset_x;
1142         cmd1.y -= inset_y;
1143
1144         if (the_locking_inset) {
1145                 the_locking_inset->localDispatch(cmd1);
1146                 return;
1147         }
1148
1149         if (no_selection || (mouse_x == cmd.x && mouse_y == cmd.y))
1150                 return;
1151
1152         BufferView * bv = cmd.view();
1153         bool clear = false;
1154         if (!lt) {
1155                 lt = getLyXText(bv);
1156                 clear = true;
1157         }
1158         hideInsetCursor(bv);
1159         LyXCursor cur = lt->cursor;
1160         lt->setCursorFromCoordinates
1161                 (bv, cmd.x - drawTextXOffset, cmd.y + insetAscent);
1162         lt->cursor.x_fix(lt->cursor.x());
1163         if (cur == lt->cursor) {
1164                 if (clear)
1165                         lt = 0;
1166                 return;
1167         }
1168         lt->setSelection(bv);
1169         bool flag = (lt->toggle_cursor.par() != lt->toggle_end_cursor.par() ||
1170                                  lt->toggle_cursor.pos() != lt->toggle_end_cursor.pos());
1171         if (clear)
1172                 lt = 0;
1173         if (flag) {
1174                 updateLocal(bv, SELECTION, false);
1175         }
1176         showInsetCursor(bv);
1177 }
1178
1179
1180 Inset::RESULT InsetText::localDispatch(FuncRequest const & ev)
1181 {
1182         BufferView * bv = ev.view();
1183         switch (ev.action) {
1184                 case LFUN_MOUSE_PRESS:
1185                         lfunMousePress(ev);
1186                         return DISPATCHED;
1187                 case LFUN_MOUSE_MOTION:
1188                         lfunMouseMotion(ev);
1189                         return DISPATCHED;
1190                 case LFUN_MOUSE_RELEASE:
1191                         return lfunMouseRelease(ev) ? DISPATCHED : UNDISPATCHED;
1192                 default:
1193                         break;
1194         }
1195
1196         bool was_empty = (paragraphs.begin()->empty() && !paragraphs.begin()->next());
1197         no_selection = false;
1198         RESULT result = UpdatableInset::localDispatch(ev);
1199         if (result != UNDISPATCHED)
1200                 return DISPATCHED;
1201
1202         result = DISPATCHED;
1203         if (ev.action < 0 && ev.argument.empty())
1204                 return FINISHED;
1205
1206         if (the_locking_inset) {
1207                 result = the_locking_inset->localDispatch(ev);
1208                 if (result == DISPATCHED_NOUPDATE)
1209                         return result;
1210                 else if (result == DISPATCHED) {
1211                         updateLocal(bv, CURSOR_PAR, false);
1212                         return result;
1213                 } else if (result >= FINISHED) {
1214                         switch (result) {
1215                         case FINISHED_RIGHT:
1216                                 moveRightIntern(bv, false, false);
1217                                 result = DISPATCHED;
1218                                 break;
1219                         case FINISHED_UP:
1220                                 if ((result = moveUp(bv)) >= FINISHED) {
1221                                         updateLocal(bv, CURSOR, false);
1222                                         bv->unlockInset(this);
1223                                 }
1224                                 break;
1225                         case FINISHED_DOWN:
1226                                 if ((result = moveDown(bv)) >= FINISHED) {
1227                                         updateLocal(bv, CURSOR, false);
1228                                         bv->unlockInset(this);
1229                                 }
1230                                 break;
1231                         default:
1232                                 result = DISPATCHED;
1233                                 break;
1234                         }
1235                         the_locking_inset = 0;
1236                         updateLocal(bv, CURSOR, false);
1237                         return result;
1238                 }
1239         }
1240         hideInsetCursor(bv);
1241         bool clear = false;
1242         if (!lt) {
1243                 lt = getLyXText(bv);
1244                 clear = true;
1245         }
1246         int updwhat = 0;
1247         int updflag = false;
1248         switch (ev.action) {
1249
1250         // Normal chars
1251         case LFUN_SELFINSERT:
1252                 if (bv->buffer()->isReadonly()) {
1253 //          setErrorMessage(N_("Document is read only"));
1254                         break;
1255                 }
1256                 if (!ev.argument.empty()) {
1257                         /* Automatically delete the currently selected
1258                          * text and replace it with what is being
1259                          * typed in now. Depends on lyxrc settings
1260                          * "auto_region_delete", which defaults to
1261                          * true (on). */
1262 #if 0
1263                         // This should not be needed here and is also WRONG!
1264                         setUndo(bv, Undo::INSERT,
1265                                 lt->cursor.par(), lt->cursor.par()->next());
1266 #endif
1267                         bv->switchKeyMap();
1268                         if (lyxrc.auto_region_delete) {
1269                                 if (lt->selection.set()) {
1270                                         lt->cutSelection(bv, false, false);
1271                                 }
1272                         }
1273                         lt->clearSelection();
1274                         for (string::size_type i = 0; i < ev.argument.length(); ++i) {
1275                                 bv->owner()->getIntl().getTransManager().
1276                                         TranslateAndInsert(ev.argument[i], lt);
1277                         }
1278                 }
1279                 lt->selection.cursor = lt->cursor;
1280                 updwhat = CURSOR | CURSOR_PAR;
1281                 updflag = true;
1282                 result = DISPATCHED_NOUPDATE;
1283                 break;
1284                 // --- Cursor Movements -----------------------------------
1285         case LFUN_RIGHTSEL:
1286                 finishUndo();
1287                 moveRight(bv, false, true);
1288                 lt->setSelection(bv);
1289                 updwhat = SELECTION;
1290                 break;
1291         case LFUN_RIGHT:
1292                 result = moveRight(bv);
1293                 finishUndo();
1294                 updwhat = CURSOR;
1295                 break;
1296         case LFUN_LEFTSEL:
1297                 finishUndo();
1298                 moveLeft(bv, false, true);
1299                 lt->setSelection(bv);
1300                 updwhat = SELECTION;
1301                 break;
1302         case LFUN_LEFT:
1303                 finishUndo();
1304                 result = moveLeft(bv);
1305                 updwhat = CURSOR;
1306                 break;
1307         case LFUN_DOWNSEL:
1308                 finishUndo();
1309                 moveDown(bv);
1310                 lt->setSelection(bv);
1311                 updwhat = SELECTION;
1312                 break;
1313         case LFUN_DOWN:
1314                 finishUndo();
1315                 result = moveDown(bv);
1316                 updwhat = CURSOR;
1317                 break;
1318         case LFUN_UPSEL:
1319                 finishUndo();
1320                 moveUp(bv);
1321                 lt->setSelection(bv);
1322                 updwhat = SELECTION;
1323                 break;
1324         case LFUN_UP:
1325                 finishUndo();
1326                 result = moveUp(bv);
1327                 updwhat = CURSOR;
1328                 break;
1329         case LFUN_HOME:
1330                 finishUndo();
1331                 lt->cursorHome(bv);
1332                 updwhat = CURSOR;
1333                 break;
1334         case LFUN_END:
1335                 lt->cursorEnd(bv);
1336                 updwhat = CURSOR;
1337                 break;
1338         case LFUN_PRIOR:
1339                 if (!crow(bv)->previous())
1340                         result = FINISHED_UP;
1341                 else {
1342                         lt->cursorPrevious(bv);
1343                         result = DISPATCHED_NOUPDATE;
1344                 }
1345                 updwhat = CURSOR;
1346                 break;
1347         case LFUN_NEXT:
1348                 if (!crow(bv)->next())
1349                         result = FINISHED_DOWN;
1350                 else {
1351                         lt->cursorNext(bv);
1352                         result = DISPATCHED_NOUPDATE;
1353                 }
1354                 updwhat = CURSOR;
1355                 break;
1356         case LFUN_BACKSPACE: {
1357                 if (lt->selection.set())
1358                         lt->cutSelection(bv, true, false);
1359                 else
1360                         lt->backspace(bv);
1361                 updwhat = CURSOR_PAR;
1362                 updflag = true;
1363         }
1364         break;
1365
1366         case LFUN_DELETE: {
1367                 if (lt->selection.set()) {
1368                         lt->cutSelection(bv, true, false);
1369                 } else {
1370                         lt->Delete(bv);
1371                 }
1372                 updwhat = CURSOR_PAR;
1373                 updflag = true;
1374         }
1375         break;
1376
1377         case LFUN_CUT: {
1378                 lt->cutSelection(bv);
1379                 updwhat = CURSOR_PAR;
1380                 updflag = true;
1381         }
1382         break;
1383
1384         case LFUN_COPY:
1385                 finishUndo();
1386                 lt->copySelection(bv);
1387                 updwhat = CURSOR_PAR;
1388                 break;
1389         case LFUN_PASTESELECTION:
1390         {
1391                 string const clip(bv->getClipboard());
1392
1393                 if (clip.empty())
1394                         break;
1395                 if (ev.argument == "paragraph") {
1396                         lt->insertStringAsParagraphs(bv, clip);
1397                 } else {
1398                         lt->insertStringAsLines(bv, clip);
1399                 }
1400                 // bug 393
1401                 lt->clearSelection();
1402
1403                 updwhat = CURSOR_PAR;
1404                 updflag = true;
1405                 break;
1406         }
1407         case LFUN_PASTE: {
1408                 if (!autoBreakRows) {
1409
1410                         if (CutAndPaste::nrOfParagraphs() > 1) {
1411                                 Alert::alert(_("Impossible operation!"),
1412                                                    _("Cannot include more than one paragraph!"),
1413                                                    _("Sorry."));
1414                                 break;
1415                         }
1416                 }
1417 #if 0
1418                 // This should not be needed here and is also WRONG!
1419                 setUndo(bv, Undo::INSERT,
1420                         lt->cursor.par(), lt->cursor.par()->next());
1421 #endif
1422                 lt->pasteSelection(bv);
1423                 // bug 393
1424                 lt->clearSelection();
1425                 updwhat = CURSOR_PAR;
1426                 updflag = true;
1427         }
1428         break;
1429
1430         case LFUN_BREAKPARAGRAPH:
1431                 if (!autoBreakRows) {
1432                         result = DISPATCHED;
1433                         break;
1434                 }
1435                 lt->breakParagraph(bv, 0);
1436                 updwhat = CURSOR | FULL;
1437                 updflag = true;
1438                 break;
1439         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1440                 if (!autoBreakRows) {
1441                         result = DISPATCHED;
1442                         break;
1443                 }
1444                 lt->breakParagraph(bv, 1);
1445                 updwhat = CURSOR | FULL;
1446                 updflag = true;
1447                 break;
1448
1449         case LFUN_BREAKLINE: {
1450                 if (!autoBreakRows) {
1451                         result = DISPATCHED;
1452                         break;
1453                 }
1454 #if 0
1455                 // This should not be needed here and is also WRONG!
1456                 setUndo(bv, Undo::INSERT,
1457                         lt->cursor.par(), lt->cursor.par()->next());
1458 #endif
1459                 lt->insertChar(bv, Paragraph::META_NEWLINE);
1460                 updwhat = CURSOR | CURSOR_PAR;
1461                 updflag = true;
1462         }
1463         break;
1464
1465         case LFUN_LAYOUT:
1466                 // do not set layouts on non breakable textinsets
1467                 if (autoBreakRows) {
1468                         string cur_layout = cpar(bv)->layout()->name();
1469
1470                         // Derive layout number from given argument (string)
1471                         // and current buffer's textclass (number). */
1472                         LyXTextClass const & tclass =
1473                                 bv->buffer()->params.getLyXTextClass();
1474                         string layout = ev.argument;
1475                         bool hasLayout = tclass.hasLayout(layout);
1476
1477                         // If the entry is obsolete, use the new one instead.
1478                         if (hasLayout) {
1479                                 string const & obs =
1480                                         tclass[layout]->obsoleted_by();
1481                                 if (!obs.empty())
1482                                         layout = obs;
1483                         }
1484
1485                         // see if we found the layout number:
1486                         if (!hasLayout) {
1487                                 FuncRequest lf(LFUN_MESSAGE, N_("Layout ") + ev.argument + N_(" not known"));
1488                                 bv->owner()->dispatch(lf);
1489                                 break;
1490                         }
1491
1492                         if (cur_layout != layout) {
1493                                 cur_layout = layout;
1494                                 lt->setLayout(bv, layout);
1495                                 bv->owner()->setLayout(cpar(bv)->layout()->name());
1496                                 updwhat = CURSOR_PAR;
1497                                 updflag = true;
1498                         }
1499                 } else {
1500                         // reset the layout box
1501                         bv->owner()->setLayout(cpar(bv)->layout()->name());
1502                 }
1503                 break;
1504         case LFUN_PARAGRAPH_SPACING:
1505                 // This one is absolutely not working. When fiddling with this
1506                 // it also seems to me that the paragraphs inside the insettext
1507                 // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1508         {
1509                 Paragraph * par = lt->cursor.par();
1510                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
1511                 float cur_value = 1.0;
1512                 if (cur_spacing == Spacing::Other) {
1513                         cur_value = par->params().spacing().getValue();
1514                 }
1515
1516                 istringstream istr(ev.argument.c_str());
1517                 string tmp;
1518                 istr >> tmp;
1519                 Spacing::Space new_spacing = cur_spacing;
1520                 float new_value = cur_value;
1521                 if (tmp.empty()) {
1522                         lyxerr << "Missing argument to `paragraph-spacing'"
1523                                    << endl;
1524                 } else if (tmp == "single") {
1525                         new_spacing = Spacing::Single;
1526                 } else if (tmp == "onehalf") {
1527                         new_spacing = Spacing::Onehalf;
1528                 } else if (tmp == "double") {
1529                         new_spacing = Spacing::Double;
1530                 } else if (tmp == "other") {
1531                         new_spacing = Spacing::Other;
1532                         float tmpval = 0.0;
1533                         istr >> tmpval;
1534                         lyxerr << "new_value = " << tmpval << endl;
1535                         if (tmpval != 0.0)
1536                                 new_value = tmpval;
1537                 } else if (tmp == "default") {
1538                         new_spacing = Spacing::Default;
1539                 } else {
1540                         lyxerr << _("Unknown spacing argument: ")
1541                                    << ev.argument << endl;
1542                 }
1543                 if (cur_spacing != new_spacing || cur_value != new_value) {
1544                         par->params().spacing(Spacing(new_spacing, new_value));
1545                         updwhat = CURSOR_PAR;
1546                         updflag = true;
1547                 }
1548         }
1549         break;
1550
1551         default:
1552                 if (!bv->dispatch(ev))
1553                         result = UNDISPATCHED;
1554                 break;
1555         }
1556
1557         if (clear)
1558                 lt = 0;
1559         if (updwhat > 0)
1560                 updateLocal(bv, updwhat, updflag);
1561         /// If the action has deleted all text in the inset, we need to change the
1562         // language to the language of the surronding text.
1563         if (!was_empty && paragraphs.begin()->empty() && !paragraphs.begin()->next()) {
1564                 LyXFont font(LyXFont::ALL_IGNORE);
1565                 font.setLanguage(bv->getParentLanguage(this));
1566                 setFont(bv, font, false);
1567         }
1568
1569         if (result >= FINISHED)
1570                 bv->unlockInset(this);
1571
1572         if (result == DISPATCHED_NOUPDATE && (need_update & FULL))
1573                 result = DISPATCHED;
1574         return result;
1575 }
1576
1577
1578 int InsetText::latex(Buffer const * buf, ostream & os,
1579                      bool moving_arg, bool) const
1580 {
1581         TexRow texrow;
1582         buf->latexParagraphs(os, &*(paragraphs.begin()), 0,
1583                              texrow, moving_arg);
1584         return texrow.rows();
1585 }
1586
1587
1588 int InsetText::ascii(Buffer const * buf, ostream & os, int linelen) const
1589 {
1590         unsigned int lines = 0;
1591
1592         ParagraphList::iterator beg = paragraphs.begin();
1593         ParagraphList::iterator end = paragraphs.end();
1594         ParagraphList::iterator it = beg;
1595         for (; it != end; ++it) {
1596                 string const tmp = buf->asciiParagraph(*it, linelen, it == beg);
1597                 lines += lyx::count(tmp.begin(), tmp.end(), '\n');
1598                 os << tmp;
1599         }
1600         return lines;
1601 }
1602
1603
1604 int InsetText::docbook(Buffer const * buf, ostream & os, bool mixcont) const
1605 {
1606         Paragraph * p = &*(paragraphs.begin());
1607         unsigned int lines = 0;
1608
1609         vector<string> environment_stack(10);
1610         vector<string> environment_inner(10);
1611
1612         int const command_depth = 0;
1613         string item_name;
1614
1615         Paragraph::depth_type depth = 0; // paragraph depth
1616
1617         while (p) {
1618                 string sgmlparam;
1619                 int desc_on = 0; // description mode
1620
1621                 LyXLayout_ptr const & style = p->layout();
1622
1623                 // environment tag closing
1624                 for (; depth > p->params().depth(); --depth) {
1625                         if (environment_inner[depth] != "!-- --") {
1626                                 item_name = "listitem";
1627                                 lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
1628                                 if (environment_inner[depth] == "varlistentry")
1629                                         lines += sgml::closeTag(os, depth+command_depth, mixcont, environment_inner[depth]);
1630                         }
1631                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1632                         environment_stack[depth].erase();
1633                         environment_inner[depth].erase();
1634                 }
1635
1636                 if (depth == p->params().depth()
1637                    && environment_stack[depth] != style->latexname()
1638                    && !environment_stack[depth].empty()) {
1639                         if (environment_inner[depth] != "!-- --") {
1640                                 item_name= "listitem";
1641                                 lines += sgml::closeTag(os, command_depth+depth, mixcont, item_name);
1642                                 if (environment_inner[depth] == "varlistentry")
1643                                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
1644                         }
1645
1646                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1647
1648                         environment_stack[depth].erase();
1649                         environment_inner[depth].erase();
1650                 }
1651
1652                 // Write opening SGML tags.
1653                 switch (style->latextype) {
1654                 case LATEX_PARAGRAPH:
1655                         lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexname());
1656                         break;
1657
1658                 case LATEX_COMMAND:
1659                         buf->sgmlError(p, 0,  _("Error: LatexType Command not allowed here.\n"));
1660                         return -1;
1661                         break;
1662
1663                 case LATEX_ENVIRONMENT:
1664                 case LATEX_ITEM_ENVIRONMENT:
1665                         if (depth < p->params().depth()) {
1666                                 depth = p->params().depth();
1667                                 environment_stack[depth].erase();
1668                         }
1669
1670                         if (environment_stack[depth] != style->latexname()) {
1671                                 if (environment_stack.size() == depth + 1) {
1672                                         environment_stack.push_back("!-- --");
1673                                         environment_inner.push_back("!-- --");
1674                                 }
1675                                 environment_stack[depth] = style->latexname();
1676                                 environment_inner[depth] = "!-- --";
1677                                 lines += sgml::openTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1678                         } else {
1679                                 if (environment_inner[depth] != "!-- --") {
1680                                         item_name= "listitem";
1681                                         lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
1682                                         if (environment_inner[depth] == "varlistentry")
1683                                                 lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
1684                                 }
1685                         }
1686
1687                         if (style->latextype == LATEX_ENVIRONMENT) {
1688                                 if (!style->latexparam().empty()) {
1689                                         if (style->latexparam() == "CDATA")
1690                                                 os << "<![CDATA[";
1691                                         else
1692                                           lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexparam());
1693                                 }
1694                                 break;
1695                         }
1696
1697                         desc_on = (style->labeltype == LABEL_MANUAL);
1698
1699                         environment_inner[depth] = desc_on ? "varlistentry" : "listitem";
1700                         lines += sgml::openTag(os, depth + 1 + command_depth, mixcont, environment_inner[depth]);
1701
1702                         item_name = desc_on ? "term" : "para";
1703                         lines += sgml::openTag(os, depth + 1 + command_depth, mixcont, item_name);
1704
1705                         break;
1706                 default:
1707                         lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexname());
1708                         break;
1709                 }
1710
1711                 buf->simpleDocBookOnePar(os, p, desc_on, depth + 1 + command_depth);
1712                 p = p->next();
1713
1714                 string end_tag;
1715                 // write closing SGML tags
1716                 switch (style->latextype) {
1717                 case LATEX_ENVIRONMENT:
1718                         if (!style->latexparam().empty()) {
1719                                 if (style->latexparam() == "CDATA")
1720                                         os << "]]>";
1721                                 else
1722                                         lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexparam());
1723                         }
1724                         break;
1725                 case LATEX_ITEM_ENVIRONMENT:
1726                         if (desc_on == 1) break;
1727                         end_tag= "para";
1728                         lines += sgml::closeTag(os, depth + 1 + command_depth, mixcont, end_tag);
1729                         break;
1730                 case LATEX_PARAGRAPH:
1731                         lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexname());
1732                         break;
1733                 default:
1734                         lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexname());
1735                         break;
1736                 }
1737         }
1738
1739         // Close open tags
1740         for (int d = depth; d >= 0; --d) {
1741                 if (!environment_stack[depth].empty()) {
1742                         if (environment_inner[depth] != "!-- --") {
1743                                 item_name = "listitem";
1744                                 lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
1745                                if (environment_inner[depth] == "varlistentry")
1746                                        lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
1747                         }
1748
1749                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1750                 }
1751         }
1752
1753         return lines;
1754 }
1755
1756
1757 void InsetText::validate(LaTeXFeatures & features) const
1758 {
1759         for_each(paragraphs.begin(), paragraphs.end(),
1760                  boost::bind(&Paragraph::validate, _1, boost::ref(features)));
1761 }
1762
1763
1764 int InsetText::beginningOfMainBody(Paragraph * p) const
1765 {
1766         if (p->layout()->labeltype != LABEL_MANUAL)
1767                 return 0;
1768         else
1769                 return p->beginningOfMainBody();
1770 }
1771
1772
1773 void InsetText::getCursorPos(BufferView * bv, int & x, int & y) const
1774 {
1775         if (the_locking_inset) {
1776                 the_locking_inset->getCursorPos(bv, x, y);
1777                 return;
1778         }
1779         x = cx(bv) - top_x - TEXT_TO_INSET_OFFSET;
1780         y = cy(bv) - TEXT_TO_INSET_OFFSET;
1781 }
1782
1783
1784 int InsetText::insetInInsetY() const
1785 {
1786         if (!the_locking_inset)
1787                 return 0;
1788
1789         return (inset_y + the_locking_inset->insetInInsetY());
1790 }
1791
1792
1793 void InsetText::toggleInsetCursor(BufferView * bv)
1794 {
1795         if (the_locking_inset) {
1796                 the_locking_inset->toggleInsetCursor(bv);
1797                 return;
1798         }
1799
1800         LyXFont const font(getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv)));
1801
1802         int const asc = font_metrics::maxAscent(font);
1803         int const desc = font_metrics::maxDescent(font);
1804
1805         if (isCursorVisible())
1806                 bv->hideLockedInsetCursor();
1807         else
1808                 bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1809         toggleCursorVisible();
1810 }
1811
1812
1813 void InsetText::showInsetCursor(BufferView * bv, bool show)
1814 {
1815         if (the_locking_inset) {
1816                 the_locking_inset->showInsetCursor(bv, show);
1817                 return;
1818         }
1819         if (!isCursorVisible()) {
1820                 LyXFont const font =
1821                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1822
1823                 int const asc = font_metrics::maxAscent(font);
1824                 int const desc = font_metrics::maxDescent(font);
1825
1826                 bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1827                 if (show)
1828                         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1829                 setCursorVisible(true);
1830         }
1831 }
1832
1833
1834 void InsetText::hideInsetCursor(BufferView * bv)
1835 {
1836         if (isCursorVisible()) {
1837                 bv->hideLockedInsetCursor();
1838                 setCursorVisible(false);
1839         }
1840         if (the_locking_inset)
1841                 the_locking_inset->hideInsetCursor(bv);
1842 }
1843
1844
1845 void InsetText::fitInsetCursor(BufferView * bv) const
1846 {
1847         if (the_locking_inset) {
1848                 the_locking_inset->fitInsetCursor(bv);
1849                 return;
1850         }
1851         LyXFont const font =
1852                 getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1853
1854         int const asc = font_metrics::maxAscent(font);
1855         int const desc = font_metrics::maxDescent(font);
1856
1857         if (bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc))
1858                 need_update |= FULL;
1859 }
1860
1861
1862 Inset::RESULT
1863 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1864 {
1865         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1866                 return moveLeftIntern(bv, false, activate_inset, selecting);
1867         else
1868                 return moveRightIntern(bv, true, activate_inset, selecting);
1869 }
1870
1871
1872 Inset::RESULT
1873 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1874 {
1875         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1876                 return moveRightIntern(bv, true, activate_inset, selecting);
1877         else
1878                 return moveLeftIntern(bv, false, activate_inset, selecting);
1879 }
1880
1881
1882 Inset::RESULT
1883 InsetText::moveRightIntern(BufferView * bv, bool front,
1884                            bool activate_inset, bool selecting)
1885 {
1886         if (!cpar(bv)->next() && (cpos(bv) >= cpar(bv)->size()))
1887                 return FINISHED_RIGHT;
1888         if (activate_inset && checkAndActivateInset(bv, front))
1889                 return DISPATCHED;
1890         getLyXText(bv)->cursorRight(bv);
1891         if (!selecting)
1892                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1893         return DISPATCHED_NOUPDATE;
1894 }
1895
1896
1897 Inset::RESULT
1898 InsetText::moveLeftIntern(BufferView * bv, bool front,
1899                           bool activate_inset, bool selecting)
1900 {
1901         if (!cpar(bv)->previous() && (cpos(bv) <= 0))
1902                 return FINISHED;
1903         getLyXText(bv)->cursorLeft(bv);
1904         if (!selecting)
1905                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1906         if (activate_inset && checkAndActivateInset(bv, front))
1907                 return DISPATCHED;
1908         return DISPATCHED_NOUPDATE;
1909 }
1910
1911
1912 Inset::RESULT InsetText::moveUp(BufferView * bv)
1913 {
1914         if (!crow(bv)->previous())
1915                 return FINISHED_UP;
1916         getLyXText(bv)->cursorUp(bv);
1917         return DISPATCHED_NOUPDATE;
1918 }
1919
1920
1921 Inset::RESULT InsetText::moveDown(BufferView * bv)
1922 {
1923         if (!crow(bv)->next())
1924                 return FINISHED_DOWN;
1925         getLyXText(bv)->cursorDown(bv);
1926         return DISPATCHED_NOUPDATE;
1927 }
1928
1929
1930 bool InsetText::insertInset(BufferView * bv, Inset * inset)
1931 {
1932         if (the_locking_inset) {
1933                 if (the_locking_inset->insetAllowed(inset))
1934                         return the_locking_inset->insertInset(bv, inset);
1935                 return false;
1936         }
1937         inset->setOwner(this);
1938         hideInsetCursor(bv);
1939         getLyXText(bv)->insertInset(bv, inset);
1940         bv->fitCursor();
1941         updateLocal(bv, CURSOR_PAR|CURSOR, true);
1942         return true;
1943 }
1944
1945
1946 bool InsetText::insetAllowed(Inset::Code code) const
1947 {
1948         // in_insetAllowed is a really gross hack,
1949         // to allow us to call the owner's insetAllowed
1950         // without stack overflow, which can happen
1951         // when the owner uses InsetCollapsable::insetAllowed()
1952         bool ret = true;
1953         if (in_insetAllowed)
1954                 return ret;
1955         in_insetAllowed = true;
1956         if (the_locking_inset)
1957                 ret = the_locking_inset->insetAllowed(code);
1958         else if (owner())
1959                 ret = owner()->insetAllowed(code);
1960         in_insetAllowed = false;
1961         return ret;
1962 }
1963
1964
1965 UpdatableInset * InsetText::getLockingInset() const
1966 {
1967         return the_locking_inset ? the_locking_inset->getLockingInset() :
1968                 const_cast<InsetText *>(this);
1969 }
1970
1971
1972 UpdatableInset * InsetText::getFirstLockingInsetOfType(Inset::Code c)
1973 {
1974         if (c == lyxCode())
1975                 return this;
1976         if (the_locking_inset)
1977                 return the_locking_inset->getFirstLockingInsetOfType(c);
1978         return 0;
1979 }
1980
1981
1982 bool InsetText::showInsetDialog(BufferView * bv) const
1983 {
1984         if (the_locking_inset)
1985                 return the_locking_inset->showInsetDialog(bv);
1986         return false;
1987 }
1988
1989
1990 vector<string> const InsetText::getLabelList() const
1991 {
1992         vector<string> label_list;
1993
1994         ParagraphList::iterator pit = paragraphs.begin();
1995         ParagraphList::iterator pend = paragraphs.end();
1996         for (; pit != pend; ++pit) {
1997                 InsetList::iterator beg = pit->insetlist.begin();
1998                 InsetList::iterator end = pit->insetlist.end();
1999                 for (; beg != end; ++beg) {
2000                         vector<string> const l = beg.getInset()->getLabelList();
2001                         label_list.insert(label_list.end(), l.begin(), l.end());
2002                 }
2003         }
2004         return label_list;
2005 }
2006
2007
2008 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
2009                         bool selectall)
2010 {
2011         if (the_locking_inset) {
2012                 the_locking_inset->setFont(bv, font, toggleall, selectall);
2013                 return;
2014         }
2015         if ((!paragraphs.begin()->next() && paragraphs.begin()->empty()) || cpar(bv)->empty()) {
2016                 getLyXText(bv)->setFont(bv, font, toggleall);
2017                 return;
2018         }
2019         bool clear = false;
2020         if (!lt) {
2021                 lt = getLyXText(bv);
2022                 clear = true;
2023         }
2024         if (lt->selection.set()) {
2025                 setUndo(bv, Undo::EDIT, lt->cursor.par(), lt->cursor.par()->next());
2026         }
2027         if (selectall)
2028                 selectAll(bv);
2029         lt->toggleFree(bv, font, toggleall);
2030         if (selectall)
2031                 lt->clearSelection();
2032         bv->fitCursor();
2033         bool flag = (selectall || lt->selection.set());
2034         if (clear)
2035                 lt = 0;
2036         if (flag)
2037                 updateLocal(bv, FULL, true);
2038         else
2039                 updateLocal(bv, CURSOR_PAR, true);
2040 }
2041
2042
2043 bool InsetText::checkAndActivateInset(BufferView * bv, bool front)
2044 {
2045         if (cpar(bv)->isInset(cpos(bv))) {
2046                 Inset * inset =
2047                         static_cast<UpdatableInset*>(cpar(bv)->getInset(cpos(bv)));
2048                 if (!isHighlyEditableInset(inset))
2049                         return false;
2050                 inset->edit(bv, front);
2051                 if (!the_locking_inset)
2052                         return false;
2053                 updateLocal(bv, CURSOR, false);
2054                 return true;
2055         }
2056         return false;
2057 }
2058
2059
2060 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
2061                                       mouse_button::state button)
2062 {
2063         x -= drawTextXOffset;
2064         int dummyx = x;
2065         int dummyy = y + insetAscent;
2066         Inset * inset = getLyXText(bv)->checkInsetHit(bv, dummyx, dummyy);
2067         // we only do the edit() call if the inset was hit by the mouse
2068         // or if it is a highly editable inset. So we should call this
2069         // function from our own edit with button < 0.
2070         // FIXME: GUII jbl. I've changed this to ::none for now which is probably
2071         // WRONG
2072         if (button == mouse_button::none && !isHighlyEditableInset(inset))
2073                 return false;
2074
2075         if (inset) {
2076                 if (x < 0)
2077                         x = insetWidth;
2078                 if (y < 0)
2079                         y = insetDescent;
2080                 inset_x = cix(bv) - top_x + drawTextXOffset;
2081                 inset_y = ciy(bv) + drawTextYOffset;
2082                 inset->edit(bv, x - inset_x, y - inset_y, button);
2083                 if (!the_locking_inset)
2084                         return false;
2085                 updateLocal(bv, CURSOR, false);
2086                 return true;
2087         }
2088         return false;
2089 }
2090
2091
2092 int InsetText::getMaxWidth(BufferView * bv, UpdatableInset const * inset) const
2093 {
2094 #if 0
2095         int w = UpdatableInset::getMaxWidth(bv, inset);
2096         if (w < 0) {
2097                 return -1;
2098         }
2099         if (owner()) {
2100                 w = w - top_x + owner()->x();
2101                 return w;
2102         }
2103         w -= (2 * TEXT_TO_INSET_OFFSET);
2104         return w - top_x;
2105 #else
2106         return UpdatableInset::getMaxWidth(bv, inset);
2107 #endif
2108 }
2109
2110
2111 void InsetText::setParagraphData(Paragraph * p, bool same_id)
2112 {
2113         // we have to unlock any locked inset otherwise we're in troubles
2114         the_locking_inset = 0;
2115
2116         paragraphs.clear();
2117         paragraphs.set(new Paragraph(*p, same_id));
2118         paragraphs.begin()->setInsetOwner(this);
2119         Paragraph * np = &*(paragraphs.begin());
2120         while (p->next()) {
2121                 p = p->next();
2122                 np->next(new Paragraph(*p, same_id));
2123                 np->next()->previous(np);
2124                 np = np->next();
2125                 np->setInsetOwner(this);
2126         }
2127         reinitLyXText();
2128         need_update = INIT;
2129 }
2130
2131
2132 void InsetText::setText(string const & data, LyXFont const & font)
2133 {
2134         clear();
2135         for (unsigned int i = 0; i < data.length(); ++i)
2136                 paragraphs.begin()->insertChar(i, data[i], font);
2137         reinitLyXText();
2138 }
2139
2140
2141 void InsetText::setAutoBreakRows(bool flag)
2142 {
2143         if (flag != autoBreakRows) {
2144                 autoBreakRows = flag;
2145                 if (!flag)
2146                         removeNewlines();
2147                 need_update = INIT;
2148         }
2149 }
2150
2151
2152 void InsetText::setDrawFrame(BufferView * bv, DrawFrame how)
2153 {
2154         if (how != drawFrame_) {
2155                 drawFrame_ = how;
2156                 if (bv)
2157                         updateLocal(bv, DRAW_FRAME, false);
2158         }
2159 }
2160
2161
2162 void InsetText::setFrameColor(BufferView * bv, LColor::color col)
2163 {
2164         if (frame_color != col) {
2165                 frame_color = col;
2166                 if (bv)
2167                         updateLocal(bv, DRAW_FRAME, false);
2168         }
2169 }
2170
2171
2172 int InsetText::cx(BufferView * bv) const
2173 {
2174         // we do nothing dangerous so we use a local cache
2175         LyXText * llt = getLyXText(bv);
2176         int x = llt->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
2177         if (the_locking_inset) {
2178                 LyXFont font = llt->getFont(bv->buffer(), llt->cursor.par(),
2179                                             llt->cursor.pos());
2180                 if (font.isVisibleRightToLeft())
2181                         x -= the_locking_inset->width(bv, font);
2182         }
2183         return x;
2184 }
2185
2186
2187 int InsetText::cix(BufferView * bv) const
2188 {
2189         // we do nothing dangerous so we use a local cache
2190         LyXText * llt = getLyXText(bv);
2191         int x = llt->cursor.ix() + top_x + TEXT_TO_INSET_OFFSET;
2192         if (the_locking_inset) {
2193                 LyXFont font = llt->getFont(bv->buffer(), llt->cursor.par(),
2194                                             llt->cursor.pos());
2195                 if (font.isVisibleRightToLeft())
2196                         x -= the_locking_inset->width(bv, font);
2197         }
2198         return x;
2199 }
2200
2201
2202 int InsetText::cy(BufferView * bv) const
2203 {
2204         LyXFont font;
2205         return getLyXText(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
2206 }
2207
2208
2209 int InsetText::ciy(BufferView * bv) const
2210 {
2211         LyXFont font;
2212         return getLyXText(bv)->cursor.iy() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
2213 }
2214
2215
2216 pos_type InsetText::cpos(BufferView * bv) const
2217 {
2218         return getLyXText(bv)->cursor.pos();
2219 }
2220
2221
2222 Paragraph * InsetText::cpar(BufferView * bv) const
2223 {
2224         return getLyXText(bv)->cursor.par();
2225 }
2226
2227
2228 bool InsetText::cboundary(BufferView * bv) const
2229 {
2230         return getLyXText(bv)->cursor.boundary();
2231 }
2232
2233
2234 Row * InsetText::crow(BufferView * bv) const
2235 {
2236         return getLyXText(bv)->cursor.row();
2237 }
2238
2239
2240 LyXText * InsetText::getLyXText(BufferView const * lbv,
2241                                 bool const recursive) const
2242 {
2243         if (cached_bview == lbv) {
2244                 if (recursive && the_locking_inset)
2245                         return the_locking_inset->getLyXText(lbv, true);
2246                 LyXText * lt = cached_text.get();
2247                 lyx::Assert(lt && lt->firstRow()->par() == &*(paragraphs.begin()));
2248                 return lt;
2249         }
2250         // Super UGLY! (Lgb)
2251         BufferView * bv = const_cast<BufferView *>(lbv);
2252
2253         cached_bview = bv;
2254         Cache::iterator it = cache.find(bv);
2255
2256         if (it != cache.end()) {
2257                 if (do_reinit) {
2258                         reinitLyXText();
2259                 } else if (do_resize) {
2260                         resizeLyXText(do_resize);
2261                 } else {
2262                         if (lt || !it->second.remove) {
2263                                 lyx::Assert(it->second.text.get());
2264                                 cached_text = it->second.text;
2265                                 if (recursive && the_locking_inset) {
2266                                         return the_locking_inset->getLyXText(bv, true);
2267                                 }
2268                                 return cached_text.get();
2269                         } else if (it->second.remove) {
2270                                 if (locked) {
2271                                         saveLyXTextState(it->second.text.get());
2272                                 } else {
2273                                         sstate.lpar = 0;
2274                                 }
2275                         }
2276                         //
2277                         // when we have to reinit the existing LyXText!
2278                         //
2279                         it->second.text->init(bv);
2280                         restoreLyXTextState(bv, it->second.text.get());
2281                         it->second.remove = false;
2282                 }
2283                 cached_text = it->second.text;
2284                 if (the_locking_inset && recursive) {
2285                         return the_locking_inset->getLyXText(bv);
2286                 }
2287                 return cached_text.get();
2288         }
2289         ///
2290         // we are here only if we don't have a BufferView * in the cache!!!
2291         ///
2292         cached_text.reset(new LyXText(const_cast<InsetText *>(this)));
2293         cached_text->init(bv);
2294         restoreLyXTextState(bv, cached_text.get());
2295
2296         cache.insert(make_pair(bv, cached_text));
2297
2298         if (the_locking_inset && recursive) {
2299                 return the_locking_inset->getLyXText(bv);
2300         }
2301         return cached_text.get();
2302 }
2303
2304
2305 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
2306 {
2307         cached_bview = 0;
2308
2309         Cache::iterator it = cache.find(bv);
2310
2311         if (it == cache.end()) {
2312                 return;
2313         }
2314
2315         lyx::Assert(it->second.text.get());
2316
2317         it->second.remove = true;
2318         if (recursive) {
2319                 /// then remove all LyXText in text-insets
2320                 for_each(paragraphs.begin(), paragraphs.end(),
2321                          boost::bind(&Paragraph::deleteInsetsLyXText, _1, bv));
2322         }
2323 }
2324
2325
2326 void InsetText::resizeLyXText(BufferView * bv, bool force) const
2327 {
2328         if (lt) {
2329                 // we cannot resize this because we are in use!
2330                 // so do this on the next possible getLyXText()
2331                 do_resize = bv;
2332                 return;
2333         }
2334         do_resize = 0;
2335 //      lyxerr << "InsetText::resizeLyXText\n";
2336         if (!paragraphs.begin()->next() && paragraphs.begin()->empty()) { // no data, resize not neccessary!
2337                 // we have to do this as a fixed width may have changed!
2338                 LyXText * t = getLyXText(bv);
2339                 saveLyXTextState(t);
2340                 t->init(bv, true);
2341                 restoreLyXTextState(bv, t);
2342                 return;
2343         }
2344         // one endless line, resize normally not necessary
2345         if (!force && getMaxWidth(bv, this) < 0)
2346                 return;
2347
2348         Cache::iterator it = cache.find(bv);
2349         if (it == cache.end()) {
2350                 return;
2351         }
2352         lyx::Assert(it->second.text.get());
2353
2354         LyXText * t = it->second.text.get();
2355         saveLyXTextState(t);
2356
2357         for_each(paragraphs.begin(), paragraphs.end(),
2358                  boost::bind(&Paragraph::resizeInsetsLyXText, _1, bv));
2359
2360         t->init(bv, true);
2361         restoreLyXTextState(bv, t);
2362         if (the_locking_inset) {
2363                 inset_x = cix(bv) - top_x + drawTextXOffset;
2364                 inset_y = ciy(bv) + drawTextYOffset;
2365         }
2366
2367         t->first_y = bv->screen().topCursorVisible(t->cursor, t->first_y);
2368         if (!owner()) {
2369                 updateLocal(bv, FULL, false);
2370                 // this will scroll the screen such that the cursor becomes visible
2371                 bv->updateScrollbar();
2372         } else {
2373                 need_update |= FULL;
2374         }
2375 }
2376
2377
2378 void InsetText::reinitLyXText() const
2379 {
2380         if (lt) {
2381                 // we cannot resize this because we are in use!
2382                 // so do this on the next possible getLyXText()
2383                 do_reinit = true;
2384                 return;
2385         }
2386         do_reinit = false;
2387         do_resize = 0;
2388 //      lyxerr << "InsetText::reinitLyXText\n";
2389         for (Cache::iterator it = cache.begin(); it != cache.end(); ++it) {
2390                 lyx::Assert(it->second.text.get());
2391
2392                 LyXText * t = it->second.text.get();
2393                 BufferView * bv = it->first;
2394
2395                 saveLyXTextState(t);
2396
2397                 for_each(paragraphs.begin(), paragraphs.end(),
2398                          boost::bind(&Paragraph::resizeInsetsLyXText, _1, bv));
2399
2400                 t->init(bv, true);
2401                 restoreLyXTextState(bv, t);
2402                 if (the_locking_inset) {
2403                         inset_x = cix(bv) - top_x + drawTextXOffset;
2404                         inset_y = ciy(bv) + drawTextYOffset;
2405                 }
2406                 t->first_y = bv->screen().topCursorVisible(t->cursor, t->first_y);
2407                 if (!owner()) {
2408                         updateLocal(bv, FULL, false);
2409                         // this will scroll the screen such that the cursor becomes visible
2410                         bv->updateScrollbar();
2411                 } else {
2412                         need_update = FULL;
2413                 }
2414         }
2415 }
2416
2417
2418 void InsetText::removeNewlines()
2419 {
2420         bool changed = false;
2421
2422         ParagraphList::iterator it = paragraphs.begin();
2423         ParagraphList::iterator end = paragraphs.end();
2424         for (; it != end; ++it) {
2425                 for (int i = 0; i < it->size(); ++i) {
2426                         if (it->getChar(i) == Paragraph::META_NEWLINE) {
2427                                 changed = true;
2428                                 it->erase(i);
2429                         }
2430                 }
2431         }
2432         if (changed)
2433                 reinitLyXText();
2434 }
2435
2436
2437 bool InsetText::nodraw() const
2438 {
2439         if (the_locking_inset)
2440                 return the_locking_inset->nodraw();
2441         return UpdatableInset::nodraw();
2442 }
2443
2444
2445 int InsetText::scroll(bool recursive) const
2446 {
2447         int sx = UpdatableInset::scroll(false);
2448
2449         if (recursive && the_locking_inset)
2450                 sx += the_locking_inset->scroll(recursive);
2451
2452         return sx;
2453 }
2454
2455
2456 bool InsetText::doClearArea() const
2457 {
2458         return !locked || (need_update & (FULL|INIT));
2459 }
2460
2461
2462 void InsetText::selectAll(BufferView * bv)
2463 {
2464         getLyXText(bv)->cursorTop(bv);
2465         getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
2466         getLyXText(bv)->cursorBottom(bv);
2467         getLyXText(bv)->setSelection(bv);
2468 }
2469
2470
2471 void InsetText::clearSelection(BufferView * bv)
2472 {
2473         getLyXText(bv)->clearSelection();
2474 }
2475
2476
2477 void InsetText::clearInset(BufferView * bv, int baseline, bool & cleared) const
2478 {
2479         Painter & pain = bv->painter();
2480         int w = insetWidth;
2481         int h = insetAscent + insetDescent;
2482         int ty = baseline - insetAscent;
2483
2484         if (ty < 0) {
2485                 h += ty;
2486                 ty = 0;
2487         }
2488         if ((ty + h) > pain.paperHeight())
2489                 h = pain.paperHeight();
2490         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
2491                 w = pain.paperWidth();
2492 //      w -= TEXT_TO_INSET_OFFSET;
2493         pain.fillRectangle(top_x + 1, ty + 1, w - 1, h - 1, backgroundColor());
2494         cleared = true;
2495         need_update = FULL;
2496         frame_is_visible = false;
2497 }
2498
2499
2500 Paragraph * InsetText::getParFromID(int id) const
2501 {
2502         ParagraphList::iterator it = paragraphs.begin();
2503         ParagraphList::iterator end = paragraphs.end();
2504         for (; it != end; ++it) {
2505                 if (it->id() == id) {
2506                         return &*(it);
2507                 }
2508                 Paragraph * tmp2 = it->getParFromID(id);
2509                 if (tmp2 != 0) {
2510                         return tmp2;
2511                 }
2512         }
2513         return 0;
2514 }
2515
2516
2517 Paragraph * InsetText::firstParagraph() const
2518 {
2519         Paragraph * result;
2520         if (the_locking_inset)
2521                 if ((result = the_locking_inset->firstParagraph()))
2522                         return result;
2523         return &*(paragraphs.begin());
2524 }
2525
2526
2527 Paragraph * InsetText::getFirstParagraph(int i) const
2528 {
2529         return (i == 0) ? &*(paragraphs.begin()) : 0;
2530 }
2531
2532
2533 LyXCursor const & InsetText::cursor(BufferView * bv) const
2534 {
2535                 if (the_locking_inset)
2536                                 return the_locking_inset->cursor(bv);
2537                 return getLyXText(bv)->cursor;
2538 }
2539
2540
2541 Paragraph * InsetText::paragraph() const
2542 {
2543         return &*(paragraphs.begin());
2544 }
2545
2546
2547 void InsetText::paragraph(Paragraph * p)
2548 {
2549         // GENERAL COMMENT: We don't have to free the old paragraphs as the
2550         // caller of this function has to take care of it. This IS important
2551         // as we could have to insert a paragraph before this one and just
2552         // link the actual to a new ones next and set it with this function
2553         // and are done!
2554         paragraphs.set(p);
2555         // set ourself as owner for all the paragraphs inserted!
2556         for_each(paragraphs.begin(), paragraphs.end(),
2557                  boost::bind(&Paragraph::setInsetOwner, _1, this));
2558
2559         reinitLyXText();
2560         // redraw myself when asked for
2561         need_update = INIT;
2562 }
2563
2564
2565 Inset * InsetText::getInsetFromID(int id_arg) const
2566 {
2567         if (id_arg == id())
2568                 return const_cast<InsetText *>(this);
2569
2570         ParagraphList::iterator pit = paragraphs.begin();
2571         ParagraphList::iterator pend = paragraphs.end();
2572         for (; pit != pend; ++pit) {
2573                 InsetList::iterator it = pit->insetlist.begin();
2574                 InsetList::iterator end = pit->insetlist.end();
2575                 for (; it != end; ++it) {
2576                         if (it.getInset()->id() == id_arg)
2577                                 return it.getInset();
2578                         Inset * in = it.getInset()->getInsetFromID(id_arg);
2579                         if (in)
2580                                 return in;
2581                 }
2582         }
2583         return 0;
2584 }
2585
2586
2587 WordLangTuple const
2588 InsetText::selectNextWordToSpellcheck(BufferView * bv,
2589                                       float & value) const
2590 {
2591         bool clear = false;
2592         WordLangTuple word;
2593
2594         if (!lt) {
2595                 lt = getLyXText(bv);
2596                 clear = true;
2597         }
2598         if (the_locking_inset) {
2599                 word = the_locking_inset->selectNextWordToSpellcheck(bv, value);
2600                 if (!word.word().empty()) {
2601                         value += cy(bv);
2602                         if (clear)
2603                                 lt = 0;
2604                         return word;
2605                 }
2606                 // we have to go on checking so move cursor to the next char
2607                 lt->cursor.pos(lt->cursor.pos() + 1);
2608         }
2609         word = lt->selectNextWordToSpellcheck(bv, value);
2610         if (word.word().empty())
2611                 bv->unlockInset(const_cast<InsetText *>(this));
2612         else
2613                 value = cy(bv);
2614         if (clear)
2615                 lt = 0;
2616         return word;
2617 }
2618
2619
2620 void InsetText::selectSelectedWord(BufferView * bv)
2621 {
2622         if (the_locking_inset) {
2623                 the_locking_inset->selectSelectedWord(bv);
2624                 return;
2625         }
2626         getLyXText(bv)->selectSelectedWord(bv);
2627         updateLocal(bv, SELECTION, false);
2628 }
2629
2630
2631 void InsetText::toggleSelection(BufferView * bv, bool kill_selection)
2632 {
2633         if (the_locking_inset) {
2634                 the_locking_inset->toggleSelection(bv, kill_selection);
2635         }
2636         bool clear = false;
2637         if (!lt) {
2638                 lt = getLyXText(bv);
2639                 clear = true;
2640         }
2641
2642         int x = top_x + TEXT_TO_INSET_OFFSET;
2643
2644         Row * row = lt->firstRow();
2645         int y_offset = top_baseline - row->ascent_of_text();
2646         int y = y_offset;
2647         while ((row != 0) && ((y+row->height()) <= 0)) {
2648                 y += row->height();
2649                 row = row->next();
2650         }
2651         if (y_offset < 0)
2652                 y_offset = y;
2653
2654         if (need_update & SELECTION)
2655                 need_update = NONE;
2656         bv->screen().toggleSelection(lt, bv, kill_selection, y_offset, x);
2657         if (clear)
2658                 lt = 0;
2659 }
2660
2661
2662 bool InsetText::searchForward(BufferView * bv, string const & str,
2663                               bool cs, bool mw)
2664 {
2665         bool clear = false;
2666         if (!lt) {
2667                 lt = getLyXText(bv);
2668                 clear = true;
2669         }
2670         if (the_locking_inset) {
2671                 if (the_locking_inset->searchForward(bv, str, cs, mw))
2672                         return true;
2673                 lt->cursorRight(bv, true);
2674         }
2675         lyxfind::SearchResult result =
2676                 lyxfind::LyXFind(bv, lt, str, true, cs, mw);
2677
2678         if (result == lyxfind::SR_FOUND) {
2679                 LyXCursor cur = lt->cursor;
2680                 bv->unlockInset(bv->theLockingInset());
2681                 if (bv->lockInset(this))
2682                         locked = true;
2683                 lt->cursor = cur;
2684                 lt->setSelectionOverString(bv, str);
2685                 updateLocal(bv, SELECTION, false);
2686         }
2687         if (clear)
2688                 lt = 0;
2689         return (result != lyxfind::SR_NOT_FOUND);
2690 }
2691
2692 bool InsetText::searchBackward(BufferView * bv, string const & str,
2693                                bool cs, bool mw)
2694 {
2695         if (the_locking_inset) {
2696                 if (the_locking_inset->searchBackward(bv, str, cs, mw))
2697                         return true;
2698         }
2699         bool clear = false;
2700         if (!lt) {
2701                 lt = getLyXText(bv);
2702                 clear = true;
2703         }
2704         if (!locked) {
2705                 Paragraph * p = &*(paragraphs.begin());
2706                 while (p->next())
2707                         p = p->next();
2708                 lt->setCursor(bv, p, p->size());
2709         }
2710         lyxfind::SearchResult result =
2711                 lyxfind::LyXFind(bv, lt, str, false, cs, mw);
2712
2713         if (result == lyxfind::SR_FOUND) {
2714                 LyXCursor cur = lt->cursor;
2715                 bv->unlockInset(bv->theLockingInset());
2716                 if (bv->lockInset(this))
2717                         locked = true;
2718                 lt->cursor = cur;
2719                 lt->setSelectionOverString(bv, str);
2720                 updateLocal(bv, SELECTION, false);
2721         }
2722         if (clear)
2723                 lt = 0;
2724         return (result != lyxfind::SR_NOT_FOUND);
2725 }
2726
2727
2728 bool InsetText::checkInsertChar(LyXFont & font)
2729 {
2730         if (owner())
2731                 return owner()->checkInsertChar(font);
2732         return true;
2733 }
2734
2735
2736 void InsetText::collapseParagraphs(BufferView * bv) const
2737 {
2738         BufferParams const & bparams = bv->buffer()->params;
2739         LyXText * llt = getLyXText(bv);
2740
2741         while (paragraphs.begin()->next()) {
2742                 if (!paragraphs.begin()->empty() && !paragraphs.begin()->next()->empty() &&
2743                         !paragraphs.begin()->isSeparator(paragraphs.begin()->size() - 1))
2744                 {
2745                         paragraphs.begin()->insertChar(paragraphs.begin()->size(), ' ');
2746                 }
2747                 if (llt->selection.set()) {
2748                         if (llt->selection.start.par() == paragraphs.begin()->next()) {
2749                                 llt->selection.start.par(&*(paragraphs.begin()));
2750                                 llt->selection.start.pos(
2751                                         llt->selection.start.pos() + paragraphs.begin()->size());
2752                         }
2753                         if (llt->selection.end.par() == paragraphs.begin()->next()) {
2754                                 llt->selection.end.par(&*(paragraphs.begin()));
2755                                 llt->selection.end.pos(
2756                                         llt->selection.end.pos() + paragraphs.begin()->size());
2757                         }
2758                 }
2759                 mergeParagraph(bparams, &*paragraphs.begin());
2760         }
2761         reinitLyXText();
2762 }
2763
2764
2765 void InsetText::getDrawFont(LyXFont & font) const
2766 {
2767         if (!owner())
2768                 return;
2769         owner()->getDrawFont(font);
2770 }
2771
2772
2773 void InsetText::appendParagraphs(BufferParams const & bparams,
2774                                  Paragraph * newpar)
2775 {
2776         Paragraph * buf;
2777         Paragraph * tmpbuf = newpar;
2778         Paragraph * lastbuffer = buf = new Paragraph(*tmpbuf, false);
2779
2780         while (tmpbuf->next()) {
2781                 tmpbuf = tmpbuf->next();
2782                 lastbuffer->next(new Paragraph(*tmpbuf, false));
2783                 lastbuffer->next()->previous(lastbuffer);
2784                 lastbuffer = lastbuffer->next();
2785         }
2786         lastbuffer = &*(paragraphs.begin());
2787         while (lastbuffer->next())
2788                 lastbuffer = lastbuffer->next();
2789         if (!newpar->empty() && !lastbuffer->empty() &&
2790                 !lastbuffer->isSeparator(lastbuffer->size() - 1))
2791         {
2792                 lastbuffer->insertChar(lastbuffer->size(), ' ');
2793         }
2794
2795         // make the buf exactly the same layout than our last paragraph
2796         buf->makeSameLayout(lastbuffer);
2797
2798         // paste it!
2799         lastbuffer->next(buf);
2800         buf->previous(lastbuffer);
2801         mergeParagraph(bparams, lastbuffer);
2802
2803         reinitLyXText();
2804 }
2805
2806
2807 void InsetText::addPreview(grfx::PreviewLoader & loader) const
2808 {
2809         Paragraph * par = getFirstParagraph(0);
2810         while (par) {
2811                 InsetList::iterator it  = par->insetlist.begin();
2812                 InsetList::iterator end = par->insetlist.end();
2813                 for (; it != end; ++it) {
2814                         it.getInset()->addPreview(loader);
2815                 }
2816
2817                 par = par->next();
2818         }
2819 }