src/insets/insettext.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1998-2001 The LyX Team.
   7  *
   8  * ======================================================
   9  */
  10
  11 #include <config.h>
  12
  13 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include "insettext.h"
  18 #include "paragraph.h"
  19 #include "lyxlex.h"
  20 #include "debug.h"
  21 #include "lyxfont.h"
  22 #include "commandtags.h"
  23 #include "buffer.h"
  24 #include "LyXView.h"
  25 #include "BufferView.h"
  26 #include "lyxtextclasslist.h"
  27 #include "LaTeXFeatures.h"
  28 #include "Painter.h"
  29 #include "lyxtext.h"
  30 #include "lyxcursor.h"
  31 #include "CutAndPaste.h"
  32 #include "font.h"
  33 #include "LColor.h"
  34 #include "lyxrow.h"
  35 #include "lyxrc.h"
  36 #include "intl.h"
  37 #include "trans_mgr.h"
  38 #include "lyxscreen.h"
  39 #include "gettext.h"
  40 #include "lyxfunc.h"
  41 #include "ParagraphParameters.h"
  42 #include "undo_funcs.h"
  43 #include "lyxfind.h"
  44
  45 #include "frontends/Alert.h"
  46 #include "frontends/Dialogs.h"
  47
  48 #include "support/textutils.h"
  49 #include "support/LAssert.h"
  50 #include "support/lstrings.h"
  51 #include "support/lyxalgo.h" // lyx::count
  52
  53 #include <fstream>
  54 #include <algorithm>
  55 #include <cstdlib>
  56 //#include <csignal>
  57
  58 using std::ostream;
  59 using std::ifstream;
  60 using std::endl;
  61 using std::min;
  62 using std::max;
  63 using std::make_pair;
  64 using std::vector;
  65 using std::pair;
  66
  67 using lyx::pos_type;
  68 using lyx::textclass_type;
  69
  70 extern unsigned char getCurrentTextClass(Buffer *);
  71 extern bool math_insert_greek(BufferView *, char);
  72 extern int greek_kb_flag;
  73
  74
  75 // These functions should probably go into bufferview_funcs somehow (Jug)
  76
  77 void InsetText::saveLyXTextState(LyXText * t) const
  78 {
  79         // check if my paragraphs are still valid
  80         Paragraph * p = par;
  81         while (p) {
  82                 if (p == t->cursor.par())
  83                         break;
  84                 p = p->next();
  85         }
  86
  87         if (p && t->cursor.pos() <= p->size()) {
  88                 sstate.lpar = t->cursor.par();
  89                 sstate.pos = t->cursor.pos();
  90                 sstate.boundary = t->cursor.boundary();
  91                 sstate.selstartpar = t->selection.start.par();
  92                 sstate.selstartpos = t->selection.start.pos();
  93                 sstate.selstartboundary = t->selection.start.boundary();
  94                 sstate.selendpar = t->selection.end.par();
  95                 sstate.selendpos = t->selection.end.pos();
  96                 sstate.selendboundary = t->selection.end.boundary();
  97                 sstate.selection = t->selection.set();
  98                 sstate.mark_set = t->selection.mark();
  99                 sstate.refresh = t->refresh_row != 0;
 100         } else {
 101                 sstate.lpar = 0;
 102         }
 103 }
 104
 105 void InsetText::restoreLyXTextState(BufferView * bv, LyXText * t) const
 106 {
 107         if (sstate.lpar) {
 108                 t->selection.set(true);
 109                 /* at this point just to avoid the Delete-Empty-Paragraph
 110                  * Mechanism when setting the cursor */
 111                 t->selection.mark(sstate.mark_set);
 112                 if (sstate.selection) {
 113                         t->setCursor(bv, sstate.selstartpar, sstate.selstartpos,
 114                                      true, sstate.selstartboundary);
 115                         t->selection.cursor = t->cursor;
 116                         t->setCursor(bv, sstate.selendpar, sstate.selendpos,
 117                                      true, sstate.selendboundary);
 118                         t->setSelection(bv);
 119                         t->setCursor(bv, sstate.lpar, sstate.pos);
 120                 } else {
 121                         t->setCursor(bv, sstate.lpar, sstate.pos, true, sstate.boundary);
 122                         t->selection.cursor = t->cursor;
 123                         t->selection.set(false);
 124                 }
 125                 if (sstate.refresh) {
 126                 }
 127         }
 128 }
 129
 130
 131 InsetText::InnerCache::InnerCache(boost::shared_ptr<LyXText> t)
 132 {
 133         text = t;
 134         remove = false;
 135 }
 136
 137
 138 InsetText::InsetText(BufferParams const & bp)
 139         : UpdatableInset(), lt(0), in_update(false), do_resize(0),
 140           do_reinit(false)
 141 {
 142         par = new Paragraph;
 143         par->layout(textclasslist[bp.textclass].defaultLayoutName());
 144
 145         init();
 146 }
 147
 148
 149 InsetText::InsetText(InsetText const & in, bool same_id)
 150         : UpdatableInset(in, same_id), lt(0), in_update(false), do_resize(0),
 151           do_reinit(false)
 152 {
 153         par = 0;
 154         init(&in, same_id);
 155 }
 156
 157
 158 InsetText & InsetText::operator=(InsetText const & it)
 159 {
 160         init(&it);
 161         return * this;
 162 }
 163
 164
 165 void InsetText::init(InsetText const * ins, bool same_id)
 166 {
 167         if (ins) {
 168                 setParagraphData(ins->par, same_id);
 169                 autoBreakRows = ins->autoBreakRows;
 170                 drawFrame_ = ins->drawFrame_;
 171                 frame_color = ins->frame_color;
 172                 if (same_id)
 173                         id_ = ins->id_;
 174         } else {
 175                 Paragraph * p = par;
 176                 while (p) {
 177                         p->setInsetOwner(this);
 178                         p = p->next();
 179                 }
 180                 the_locking_inset = 0;
 181                 drawFrame_ = NEVER;
 182                 frame_color = LColor::insetframe;
 183                 autoBreakRows = false;
 184         }
 185         top_y = 0;
 186         insetAscent = 0;
 187         insetDescent = 0;
 188         insetWidth = 0;
 189         old_max_width = 0;
 190         no_selection = false;
 191         need_update = FULL;
 192         drawTextXOffset = 0;
 193         drawTextYOffset = 0;
 194         xpos = 0.0;
 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         cached_bview = 0;
 208
 209         // NOTE
 210
 211         while (par) {
 212                 Paragraph * tmp = par->next();
 213                 delete par;
 214                 par = tmp;
 215         }
 216 }
 217
 218
 219 void InsetText::clear()
 220 {
 221         // This is a gross hack...
 222         string old_layout = par->layout();
 223
 224         while (par) {
 225                 Paragraph * tmp = par->next();
 226                 delete par;
 227                 par = tmp;
 228         }
 229         par = new Paragraph;
 230         par->setInsetOwner(this);
 231         par->layout(old_layout);
 232
 233         reinitLyXText();
 234         need_update = INIT;
 235 }
 236
 237
 238 Inset * InsetText::clone(Buffer const &, bool same_id) const
 239 {
 240         return new InsetText(*this, same_id);
 241 }
 242
 243
 244 void InsetText::write(Buffer const * buf, ostream & os) const
 245 {
 246         os << "Text\n";
 247         writeParagraphData(buf, os);
 248 }
 249
 250
 251 void InsetText::writeParagraphData(Buffer const * buf, ostream & os) const
 252 {
 253         par->writeFile(buf, os, buf->params, 0);
 254 }
 255
 256
 257 void InsetText::read(Buffer const * buf, LyXLex & lex)
 258 {
 259         string token;
 260         int pos = 0;
 261         Paragraph * return_par = 0;
 262         Paragraph::depth_type depth = 0;
 263         LyXFont font(LyXFont::ALL_INHERIT);
 264
 265         clear();
 266
 267         while (lex.isOK()) {
 268                 lex.nextToken();
 269                 token = lex.getString();
 270                 if (token.empty())
 271                         continue;
 272                 if (token == "\\end_inset") {
 273 #ifndef NO_COMPABILITY
 274                         const_cast<Buffer*>(buf)->insertErtContents(par, pos, false);
 275 #endif
 276                         break;
 277                 }
 278
 279                 if (const_cast<Buffer*>(buf)->
 280                         parseSingleLyXformat2Token(lex, par, return_par,
 281                                                    token, pos, depth, font)) {
 282                         // the_end read this should NEVER happen
 283                         lex.printError("\\the_end read in inset! Error in document!");
 284                         return;
 285                 }
 286         }
 287         if (!return_par)
 288                 return_par = par;
 289         par = return_par;
 290         while (return_par) {
 291                 return_par->setInsetOwner(this);
 292                 return_par = return_par->next();
 293         }
 294
 295         if (token != "\\end_inset") {
 296                 lex.printError("Missing \\end_inset at this point. "
 297                                            "Read: `$$Token'");
 298         }
 299         need_update = FULL;
 300 }
 301
 302
 303 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 304 {
 305         insetAscent = getLyXText(bv)->firstRow()->ascent_of_text() +
 306                 TEXT_TO_INSET_OFFSET;
 307         return insetAscent;
 308 }
 309
 310
 311 int InsetText::descent(BufferView * bv, LyXFont const &) const
 312 {
 313         LyXText * llt = getLyXText(bv);
 314         insetDescent = llt->height - llt->firstRow()->ascent_of_text() +
 315                 TEXT_TO_INSET_OFFSET;
 316         return insetDescent;
 317 }
 318
 319
 320 int InsetText::width(BufferView * bv, LyXFont const &) const
 321 {
 322         insetWidth = max(textWidth(bv), (int)getLyXText(bv)->width) +
 323                 (2 * TEXT_TO_INSET_OFFSET);
 324         insetWidth = max(insetWidth, 10);
 325         return insetWidth;
 326 }
 327
 328
 329 int InsetText::textWidth(BufferView * bv, bool fordraw) const
 330 {
 331         int w;
 332         if (!autoBreakRows) {
 333                 w = -1;
 334         } else {
 335                 w = getMaxWidth(bv, this);
 336         }
 337         if (fordraw) {
 338                 return max(w - (2 * TEXT_TO_INSET_OFFSET),
 339                            (int)getLyXText(bv)->width);
 340         } else if (w < 0) {
 341             return -1;
 342         }
 343         return w - (2 * TEXT_TO_INSET_OFFSET);
 344 }
 345
 346
 347 void InsetText::draw(BufferView * bv, LyXFont const & f,
 348                      int baseline, float & x, bool cleared) const
 349 {
 350         if (nodraw())
 351                 return;
 352
 353         Painter & pain = bv->painter();
 354
 355         // this is the first thing we have to ask because if the x pos
 356         // changed we have to do a complete rebreak of the text as we
 357         // may have few space to draw in. Well we should check on this too
 358         int old_x = top_x;
 359         if (top_x != int(x)) {
 360                 top_x = int(x);
 361                 topx_set = true;
 362                 int nw = getMaxWidth(bv, this);
 363                 if (nw > 0 && old_max_width != nw) {
 364                         need_update = INIT;
 365                         old_max_width = nw;
 366                         bv->text->status(bv, LyXText::CHANGED_IN_DRAW);
 367                         return;
 368                 }
 369         }
 370
 371         // call these methods so that insetWidth, insetAscent and
 372         // insetDescent have the right values.
 373         width(bv, f);
 374         ascent(bv, f);
 375         descent(bv, f);
 376
 377         // repaint the background if needed
 378         if (cleared && backgroundColor() != LColor::background) {
 379                 clearInset(bv, baseline, cleared);
 380         }
 381
 382         // no draw is necessary !!!
 383         if ((drawFrame_ == LOCKED) && !locked && !par->size()) {
 384                 top_baseline = baseline;
 385                 x += width(bv, f);
 386                 if (need_update & CLEAR_FRAME)
 387                         clearFrame(pain, cleared);
 388                 need_update = NONE;
 389                 return;
 390         }
 391
 392         xpos = x;
 393         if (!owner())
 394                 x += static_cast<float>(scroll());
 395
 396         // if top_x differs we did it already
 397         if (!cleared && (old_x == int(x))
 398             && ((need_update&(INIT|FULL)) || (top_baseline != baseline)
 399                 ||(last_drawn_width != insetWidth)))
 400         {
 401                 // Condition necessary to eliminate bug 59 attachment 37
 402                 if (baseline > 0)
 403                         clearInset(bv, baseline, cleared);
 404         }
 405
 406         if (cleared)
 407                 frame_is_visible = false;
 408
 409         if (!cleared && (need_update == NONE)) {
 410                 if (locked)
 411                         drawFrame(pain, cleared);
 412                 return;
 413         }
 414
 415         top_baseline = baseline;
 416         top_y = baseline - insetAscent;
 417
 418         if (last_drawn_width != insetWidth) {
 419                 if (!cleared)
 420                         clearInset(bv, baseline, cleared);
 421                 need_update |= FULL;
 422                 last_drawn_width = insetWidth;
 423         }
 424
 425         if (the_locking_inset && (cpar(bv) == inset_par)
 426                 && (cpos(bv) == inset_pos)) {
 427                 inset_x = cx(bv) - top_x + drawTextXOffset;
 428                 inset_y = cy(bv) + drawTextYOffset;
 429         }
 430         if (!cleared && (need_update == CURSOR)
 431             && !getLyXText(bv)->selection.set()) {
 432                 drawFrame(pain, cleared);
 433                 x += insetWidth;
 434                 need_update = NONE;
 435                 return;
 436         }
 437         bool clear = false;
 438         if (!lt) {
 439                 lt = getLyXText(bv);
 440                 clear = true;
 441         }
 442         x += TEXT_TO_INSET_OFFSET;
 443
 444         Row * row = lt->firstRow();
 445         int y_offset = baseline - row->ascent_of_text();
 446         int ph = pain.paperHeight();
 447         int first = 0;
 448         int y = y_offset;
 449         while ((row != 0) && ((y+row->height()) <= 0)) {
 450                 y += row->height();
 451                 first += row->height();
 452                 row = row->next();
 453         }
 454         if (y_offset < 0)
 455                 y_offset = y;
 456         lt->first_y = first;
 457         if (cleared || (need_update&(INIT|FULL))) {
 458                 int yf = y_offset;
 459                 y = 0;
 460                 while ((row != 0) && (yf < ph)) {
 461                         lt->getVisibleRow(bv, y+y_offset, int(x), row,
 462                                                 y+first, cleared);
 463                         y += row->height();
 464                         yf += row->height();
 465                         row = row->next();
 466                 }
 467         } else if (!locked) {
 468                 if (need_update & CURSOR) {
 469                         bv->screen()->toggleSelection(lt, bv, true, y_offset,int(x));
 470                         lt->clearSelection();
 471                         lt->selection.cursor = lt->cursor;
 472                 }
 473                 bv->screen()->update(lt, bv, y_offset, int(x));
 474         } else {
 475                 locked = false;
 476                 if (need_update & SELECTION) {
 477                         bv->screen()->toggleToggle(lt, bv, y_offset, int(x));
 478                 } else if (need_update & CURSOR) {
 479                         bv->screen()->toggleSelection(lt, bv, true, y_offset,int(x));
 480                         lt->clearSelection();
 481                         lt->selection.cursor = lt->cursor;
 482                 }
 483                 bv->screen()->update(lt, bv, y_offset, int(x));
 484                 locked = true;
 485         }
 486
 487         lt->refresh_y = 0;
 488         lt->status(bv, LyXText::UNCHANGED);
 489         if ((drawFrame_ == ALWAYS) ||
 490                 ((cleared || (need_update != CURSOR_PAR)) &&
 491                  (drawFrame_ == LOCKED) && locked))
 492         {
 493                 drawFrame(pain, cleared);
 494         } else if (need_update & CLEAR_FRAME) {
 495                 clearFrame(pain, cleared);
 496         }
 497
 498         x += insetWidth - TEXT_TO_INSET_OFFSET;
 499
 500         if (bv->text->status() == LyXText::CHANGED_IN_DRAW) {
 501                 need_update |= FULL;
 502         } else if (need_update != INIT) {
 503                 need_update = NONE;
 504         }
 505         if (clear)
 506                 lt = 0;
 507 }
 508
 509
 510 void InsetText::drawFrame(Painter & pain, bool cleared) const
 511 {
 512         static int const ttoD2 = TEXT_TO_INSET_OFFSET / 2;
 513         if (!frame_is_visible || cleared) {
 514                 frame_x = top_x + ttoD2;
 515                 frame_y = top_baseline - insetAscent + ttoD2;
 516                 frame_w = insetWidth - TEXT_TO_INSET_OFFSET;
 517                 frame_h = insetAscent + insetDescent - TEXT_TO_INSET_OFFSET;
 518                 pain.rectangle(frame_x, frame_y, frame_w, frame_h,
 519                                frame_color);
 520                 frame_is_visible = true;
 521         }
 522 }
 523
 524
 525 void InsetText::clearFrame(Painter & pain, bool cleared) const
 526 {
 527         if (frame_is_visible) {
 528                 if (!cleared) {
 529                         pain.rectangle(frame_x, frame_y, frame_w, frame_h,
 530                                        backgroundColor());
 531                 }
 532                 frame_is_visible = false;
 533         }
 534 }
 535
 536
 537 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 538 {
 539         if (in_update) {
 540                 if (reinit && owner()) {
 541                         reinitLyXText();
 542                         owner()->update(bv, font, true);
 543                 }
 544                 return;
 545         }
 546         in_update = true;
 547         if (reinit || need_update == INIT) {
 548                 need_update = FULL;
 549                 // we should put this call where we set need_update to INIT!
 550                 reinitLyXText();
 551                 if (owner())
 552                         owner()->update(bv, font, true);
 553                 in_update = false;
 554                 return;
 555         }
 556         if (the_locking_inset) {
 557                 inset_x = cx(bv) - top_x + drawTextXOffset;
 558                 inset_y = cy(bv) + drawTextYOffset;
 559                 the_locking_inset->update(bv, font, reinit);
 560         }
 561
 562         bool clear = false;
 563         if (!lt) {
 564                 lt = getLyXText(bv);
 565                 clear = true;
 566         }
 567         if ((need_update & CURSOR_PAR) && (lt->status() == LyXText::UNCHANGED) &&
 568                 the_locking_inset)
 569         {
 570                 lt->updateInset(bv, the_locking_inset);
 571         }
 572         if (lt->status() == LyXText::NEED_MORE_REFRESH)
 573                 need_update |= FULL;
 574         if (clear)
 575                 lt = 0;
 576         in_update = false;
 577 }
 578
 579
 580 void InsetText::setUpdateStatus(BufferView * bv, int what) const
 581 {
 582         // this does nothing dangerous so use only a localized buffer
 583         LyXText * llt = getLyXText(bv);
 584
 585         need_update |= what;
 586         // we have to redraw us full if our LyXText NEEDS_MORE_REFRES or
 587         // if we don't break row so that we only have one row to update!
 588         if ((llt->status() == LyXText::NEED_MORE_REFRESH) ||
 589             (!autoBreakRows &&
 590              (llt->status() == LyXText::NEED_VERY_LITTLE_REFRESH)))
 591         {
 592                 need_update |= FULL;
 593         } else if (llt->status() == LyXText::NEED_VERY_LITTLE_REFRESH) {
 594                 need_update |= CURSOR_PAR;
 595         }
 596
 597         // this to not draw a selection when we redraw all of it!
 598         if (need_update & CURSOR && !(need_update & SELECTION)) {
 599                 if (llt->selection.set())
 600                         need_update = FULL;
 601                 llt->clearSelection();
 602         }
 603 }
 604
 605
 606 void InsetText::updateLocal(BufferView * bv, int what, bool mark_dirty) const
 607 {
 608         if (!autoBreakRows && par->next())
 609                 collapseParagraphs(bv->buffer()->params);
 610         bool clear = false;
 611         if (!lt) {
 612                 lt = getLyXText(bv);
 613                 clear = true;
 614         }
 615         lt->fullRebreak(bv);
 616         setUpdateStatus(bv, what);
 617         bool flag = (((need_update != CURSOR) && (need_update != NONE)) ||
 618                      (lt->status() != LyXText::UNCHANGED) || lt->selection.set());
 619         if (!lt->selection.set())
 620                 lt->selection.cursor = lt->cursor;
 621         if (clear)
 622                 lt = 0;
 623         if (flag)
 624                 bv->updateInset(const_cast<InsetText *>(this), mark_dirty);
 625         else
 626                 bv->fitCursor();
 627
 628         if (need_update == CURSOR)
 629                 need_update = NONE;
 630         bv->owner()->showState();
 631         bv->owner()->updateMenubar();
 632         bv->owner()->updateToolbar();
 633         if (old_par != cpar(bv)) {
 634                 bv->owner()->setLayout(cpar(bv)->layout());
 635                 old_par = cpar(bv);
 636         }
 637 }
 638
 639
 640 string const InsetText::editMessage() const
 641 {
 642         return _("Opened Text Inset");
 643 }
 644
 645
 646 void InsetText::edit(BufferView * bv, int x, int y, unsigned int button)
 647 {
 648         UpdatableInset::edit(bv, x, y, button);
 649
 650         if (!bv->lockInset(this)) {
 651                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 652                 return;
 653         }
 654         locked = true;
 655         the_locking_inset = 0;
 656         inset_pos = inset_x = inset_y = 0;
 657         inset_boundary = false;
 658         inset_par = 0;
 659         old_par = 0;
 660         int tmp_y = (y < 0) ? 0 : y;
 661         bool clear = false;
 662         if (!lt) {
 663                 lt = getLyXText(bv);
 664                 clear = true;
 665         }
 666         if (!checkAndActivateInset(bv, x, tmp_y, button))
 667                 lt->setCursorFromCoordinates(bv, x - drawTextXOffset,
 668                                             y + insetAscent);
 669         lt->clearSelection();
 670         finishUndo();
 671         // If the inset is empty set the language of the current font to the
 672         // language to the surronding text (if different).
 673         if (par->size() == 0 && !par->next() &&
 674                 bv->getParentLanguage(this) != lt->current_font.language())
 675         {
 676                 LyXFont font(LyXFont::ALL_IGNORE);
 677                 font.setLanguage(bv->getParentLanguage(this));
 678                 setFont(bv, font, false);
 679         }
 680 //      showInsetCursor(bv);
 681         if (clear)
 682                 lt = 0;
 683
 684         int code = CURSOR;
 685         if (drawFrame_ == LOCKED)
 686                 code = CURSOR|DRAW_FRAME;
 687         updateLocal(bv, code, false);
 688
 689         // Tell the paragraph dialog that we've entered an insettext.
 690         bv->owner()->getDialogs()->updateParagraph();
 691 }
 692
 693
 694 void InsetText::edit(BufferView * bv, bool front)
 695 {
 696         UpdatableInset::edit(bv, front);
 697
 698         if (!bv->lockInset(this)) {
 699                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 700                 return;
 701         }
 702         locked = true;
 703         the_locking_inset = 0;
 704         inset_pos = inset_x = inset_y = 0;
 705         inset_boundary = false;
 706         inset_par = 0;
 707         old_par = 0;
 708         bool clear = false;
 709         if (!lt) {
 710                 lt = getLyXText(bv);
 711                 clear = true;
 712         }
 713         if (front)
 714                 lt->setCursor(bv, par, 0);
 715         else {
 716                 Paragraph * p = par;
 717                 while (p->next())
 718                         p = p->next();
 719 //              int const pos = (p->size() ? p->size()-1 : p->size());
 720                 lt->setCursor(bv, p, p->size());
 721         }
 722         lt->clearSelection();
 723         finishUndo();
 724         // If the inset is empty set the language of the current font to the
 725         // language to the surronding text (if different).
 726         if (par->size() == 0 && !par->next() &&
 727                 bv->getParentLanguage(this) != lt->current_font.language()) {
 728                 LyXFont font(LyXFont::ALL_IGNORE);
 729                 font.setLanguage(bv->getParentLanguage(this));
 730                 setFont(bv, font, false);
 731         }
 732 //      showInsetCursor(bv);
 733         if (clear)
 734                 lt = 0;
 735         int code = CURSOR;
 736         if (drawFrame_ == LOCKED)
 737                 code = CURSOR|DRAW_FRAME;
 738         updateLocal(bv, code, false);
 739 }
 740
 741
 742 void InsetText::insetUnlock(BufferView * bv)
 743 {
 744         if (the_locking_inset) {
 745                 the_locking_inset->insetUnlock(bv);
 746                 the_locking_inset = 0;
 747         }
 748         hideInsetCursor(bv);
 749         no_selection = false;
 750         locked = false;
 751         int code;
 752         if (drawFrame_ == LOCKED)
 753                 code = CURSOR|CLEAR_FRAME;
 754         else
 755                 code = CURSOR;
 756         bool clear = false;
 757         if (!lt) {
 758                 lt = getLyXText(bv);
 759                 clear = true;
 760         }
 761         if (lt->selection.set()) {
 762                 lt->clearSelection();
 763                 code = FULL;
 764         } else if (owner()) {
 765                 bv->owner()->setLayout(owner()->getLyXText(bv)
 766                                        ->cursor.par()->layout());
 767         } else
 768                 bv->owner()->setLayout(bv->text->cursor.par()->layout());
 769         // hack for deleteEmptyParMech
 770         if (par->size()) {
 771                 lt->setCursor(bv, par, 0);
 772         } else if (par->next()) {
 773                 lt->setCursor(bv, par->next(), 0);
 774         }
 775         if (clear)
 776                 lt = 0;
 777         updateLocal(bv, code, false);
 778 }
 779
 780 void InsetText::lockInset(BufferView * bv, UpdatableInset * inset)
 781 {
 782         the_locking_inset = inset;
 783         inset_x = cx(bv) - top_x + drawTextXOffset;
 784         inset_y = cy(bv) + drawTextYOffset;
 785         inset_pos = cpos(bv);
 786         inset_par = cpar(bv);
 787         inset_boundary = cboundary(bv);
 788         updateLocal(bv, CURSOR, false);
 789 }
 790
 791
 792 bool InsetText::lockInsetInInset(BufferView * bv, UpdatableInset * inset)
 793 {
 794         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 795                               << inset << "): ";
 796         if (!inset)
 797                 return false;
 798         if (!the_locking_inset) {
 799                 Paragraph * p = par;
 800                 int const id = inset->id();
 801                 while(p) {
 802                         Paragraph::inset_iterator it =
 803                                 p->inset_iterator_begin();
 804                         Paragraph::inset_iterator const end =
 805                                 p->inset_iterator_end();
 806                         for (; it != end; ++it) {
 807                                 if ((*it) == inset) {
 808                                         getLyXText(bv)->setCursorIntern(bv, p, it.getPos());
 809                                         lockInset(bv, inset);
 810                                         return true;
 811                                 }
 812                                 if ((*it)->getInsetFromID(id)) {
 813                                         getLyXText(bv)->setCursorIntern(bv, p, it.getPos());
 814                                         (*it)->edit(bv);
 815                                         return the_locking_inset->lockInsetInInset(bv, inset);
 816                                 }
 817                         }
 818                         p = p->next();
 819                 }
 820                 return false;
 821         }
 822         if (inset == cpar(bv)->getInset(cpos(bv))) {
 823                 lyxerr[Debug::INSETS] << "OK" << endl;
 824                 lockInset(bv, inset);
 825                 return true;
 826         } else if (the_locking_inset && (the_locking_inset == inset)) {
 827                 if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 828                         lyxerr[Debug::INSETS] << "OK" << endl;
 829                         inset_x = cx(bv) - top_x + drawTextXOffset;
 830                         inset_y = cy(bv) + drawTextYOffset;
 831                 } else {
 832                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 833                 }
 834         } else if (the_locking_inset) {
 835                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 836                 return the_locking_inset->lockInsetInInset(bv, inset);
 837         }
 838         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 839         return false;
 840 }
 841
 842
 843 bool InsetText::unlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 844                                    bool lr)
 845 {
 846         if (!the_locking_inset)
 847                 return false;
 848         if (the_locking_inset == inset) {
 849                 the_locking_inset->insetUnlock(bv);
 850                 getLyXText(bv)->updateInset(bv, inset);
 851                 the_locking_inset = 0;
 852                 if (lr)
 853                         moveRight(bv, false);
 854                 old_par = 0; // force layout setting
 855                 if (scroll())
 856                         scroll(bv, 0.0F);
 857                 else
 858                         updateLocal(bv, CURSOR, false);
 859                 return true;
 860         }
 861         return the_locking_inset->unlockInsetInInset(bv, inset, lr);
 862 }
 863
 864
 865 bool InsetText::updateInsetInInset(BufferView * bv, Inset * inset)
 866 {
 867         if (!autoBreakRows && par->next())
 868                 collapseParagraphs(bv->buffer()->params);
 869         if (inset == this)
 870                 return true;
 871         bool clear = false;
 872         if (!lt) {
 873                 lt = getLyXText(bv);
 874                 clear = true;
 875         }
 876         if (inset->owner() != this) {
 877                 int ustat = CURSOR_PAR;
 878                 bool found = false;
 879                 UpdatableInset * tl_inset = the_locking_inset;
 880                 if (tl_inset)
 881                         found = tl_inset->updateInsetInInset(bv, inset);
 882                 if (!found) {
 883                         tl_inset = static_cast<UpdatableInset *>(inset);
 884                         while(tl_inset->owner() && tl_inset->owner() != this)
 885                                 tl_inset = static_cast<UpdatableInset *>(tl_inset->owner());
 886                         if (!tl_inset->owner())
 887                                 return false;
 888                         found = tl_inset->updateInsetInInset(bv, inset);
 889                         ustat = FULL;
 890                 }
 891                 if (found)
 892                         lt->updateInset(bv, tl_inset);
 893                 if (clear)
 894                         lt = 0;
 895                 if (found)
 896                         setUpdateStatus(bv, ustat);
 897                 return found;
 898         }
 899         bool found = lt->updateInset(bv, inset);
 900         if (clear)
 901                 lt = 0;
 902         if (found) {
 903                 setUpdateStatus(bv, CURSOR_PAR);
 904                 if (the_locking_inset &&
 905                     cpar(bv) == inset_par && cpos(bv) == inset_pos)
 906                 {
 907                         inset_x = cx(bv) - top_x + drawTextXOffset;
 908                         inset_y = cy(bv) + drawTextYOffset;
 909                 }
 910         }
 911         return found;
 912 }
 913
 914
 915 void InsetText::insetButtonPress(BufferView * bv, int x, int y, int button)
 916 {
 917         no_selection = true;
 918
 919         // use this to check mouse motion for selection!
 920         mouse_x = x;
 921         mouse_y = y;
 922
 923         int tmp_x = x - drawTextXOffset;
 924         int tmp_y = y + insetAscent - getLyXText(bv)->first_y;
 925         Inset * inset = bv->checkInsetHit(getLyXText(bv), tmp_x, tmp_y);
 926
 927         hideInsetCursor(bv);
 928         if (the_locking_inset) {
 929                 if (the_locking_inset == inset) {
 930                         the_locking_inset->insetButtonPress(bv,
 931                                                             x - inset_x,
 932                                                             y - inset_y,
 933                                                             button);
 934                         no_selection = false;
 935                         return;
 936                 } else if (inset) {
 937                         // otherwise unlock the_locking_inset and lock the new inset
 938                         the_locking_inset->insetUnlock(bv);
 939                         inset_x = cx(bv) - top_x + drawTextXOffset;
 940                         inset_y = cy(bv) + drawTextYOffset;
 941                         the_locking_inset = 0;
 942                         inset->insetButtonPress(bv, x - inset_x,
 943                                                 y - inset_y, button);
 944 //                      inset->edit(bv, x - inset_x, y - inset_y, button);
 945                         if (the_locking_inset)
 946                                 updateLocal(bv, CURSOR, false);
 947                         no_selection = false;
 948                         return;
 949                 }
 950                 // otherwise only unlock the_locking_inset
 951                 the_locking_inset->insetUnlock(bv);
 952                 the_locking_inset = 0;
 953         }
 954         if (bv->theLockingInset()) {
 955                 if (isHighlyEditableInset(inset)) {
 956                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 957                         inset_x = cx(bv) - top_x + drawTextXOffset;
 958                         inset_y = cy(bv) + drawTextYOffset;
 959                         inset_pos = cpos(bv);
 960                         inset_par = cpar(bv);
 961                         inset_boundary = cboundary(bv);
 962                         the_locking_inset = uinset;
 963                         uinset->insetButtonPress(bv, x - inset_x, y - inset_y,
 964                                                  button);
 965                         uinset->edit(bv, x - inset_x, y - inset_y, 0);
 966                         if (the_locking_inset)
 967                                 updateLocal(bv, CURSOR, false);
 968                         no_selection = false;
 969                         return;
 970                 }
 971         }
 972         if (!inset) { // && (button == 2)) {
 973                 bool paste_internally = false;
 974                 if ((button == 2) && getLyXText(bv)->selection.set()) {
 975                         localDispatch(bv, LFUN_COPY, "");
 976                         paste_internally = true;
 977                 }
 978                 bool clear = false;
 979                 if (!lt) {
 980                         lt = getLyXText(bv);
 981                         clear = true;
 982                 }
 983
 984                 lt->setCursorFromCoordinates(bv, x - drawTextXOffset,
 985                                              y + insetAscent);
 986                 // set the selection cursor!
 987                 lt->selection.cursor = lt->cursor;
 988                 lt->cursor.x_fix(lt->cursor.x());
 989
 990                 if (lt->selection.set()) {
 991                         lt->clearSelection();
 992                         if (clear)
 993                                 lt = 0;
 994                         updateLocal(bv, FULL, false);
 995                 } else {
 996                         lt->clearSelection();
 997                         if (clear)
 998                                 lt = 0;
 999                         updateLocal(bv, CURSOR, false);
1000                 }
1001                 bv->owner()->setLayout(cpar(bv)->layout());
1002                 old_par = cpar(bv);
1003                 // Insert primary selection with middle mouse
1004                 // if there is a local selection in the current buffer,
1005                 // insert this
1006                 if (button == 2) {
1007                         if (paste_internally)
1008                                 localDispatch(bv, LFUN_PASTE, "");
1009                         else
1010                                 localDispatch(bv, LFUN_PASTESELECTION,
1011                                               "paragraph");
1012                 }
1013         } else {
1014                 getLyXText(bv)->clearSelection();
1015         }
1016         showInsetCursor(bv);
1017         no_selection = false;
1018 }
1019
1020
1021 bool InsetText::insetButtonRelease(BufferView * bv, int x, int y, int button)
1022 {
1023         if (the_locking_inset) {
1024                 return the_locking_inset->insetButtonRelease(bv,
1025                                                              x - inset_x, y - inset_y,
1026                                                              button);
1027         }
1028         int tmp_x = x - drawTextXOffset;
1029         int tmp_y = y + insetAscent - getLyXText(bv)->first_y;
1030         Inset * inset = bv->checkInsetHit(getLyXText(bv), tmp_x, tmp_y);
1031         bool ret = false;
1032         if (inset) {
1033                 if (isHighlyEditableInset(inset)) {
1034                         ret = inset->insetButtonRelease(bv, x - inset_x,
1035                                                         y - inset_y, button);
1036                 } else {
1037                         inset_x = cx(bv) - top_x + drawTextXOffset;
1038                         inset_y = cy(bv) + drawTextYOffset;
1039                         ret = inset->insetButtonRelease(bv, x - inset_x,
1040                                                         y - inset_y, button);
1041                         inset->edit(bv, x - inset_x,
1042                                     y - inset_y, button);
1043                 }
1044                 updateLocal(bv, CURSOR_PAR, false);
1045         }
1046         return ret;
1047 }
1048
1049
1050 void InsetText::insetMotionNotify(BufferView * bv, int x, int y, int state)
1051 {
1052         if (no_selection || ((mouse_x == x) && (mouse_y == y)))
1053                 return;
1054         if (the_locking_inset) {
1055                 the_locking_inset->insetMotionNotify(bv, x - inset_x,
1056                                                      y - inset_y,state);
1057                 return;
1058         }
1059         bool clear = false;
1060         if (!lt) {
1061                 lt = getLyXText(bv);
1062                 clear = true;
1063         }
1064         hideInsetCursor(bv);
1065         LyXCursor cur = lt->cursor;
1066         lt->setCursorFromCoordinates(bv, x - drawTextXOffset, y + insetAscent);
1067         if (cur == lt->cursor) {
1068                 if (clear)
1069                         lt = 0;
1070                 return;
1071         }
1072         lt->setSelection(bv);
1073         bool flag = (lt->toggle_cursor.par() != lt->toggle_end_cursor.par() ||
1074                                  lt->toggle_cursor.pos() != lt->toggle_end_cursor.pos());
1075         if (clear)
1076                 lt = 0;
1077         if (flag) {
1078                 updateLocal(bv, SELECTION, false);
1079         }
1080         showInsetCursor(bv);
1081 }
1082
1083
1084 void InsetText::insetKeyPress(XKeyEvent * xke)
1085 {
1086         if (the_locking_inset) {
1087                 the_locking_inset->insetKeyPress(xke);
1088                 return;
1089         }
1090 }
1091
1092
1093 UpdatableInset::RESULT
1094 InsetText::localDispatch(BufferView * bv,
1095                          kb_action action, string const & arg)
1096 {
1097         bool was_empty = par->size() == 0 && !par->next();
1098         no_selection = false;
1099         UpdatableInset::RESULT
1100                 result= UpdatableInset::localDispatch(bv, action, arg);
1101         if (result != UNDISPATCHED) {
1102                 return DISPATCHED;
1103         }
1104
1105         result = DISPATCHED;
1106         if ((action < 0) && arg.empty())
1107                 return FINISHED;
1108
1109         if (the_locking_inset) {
1110                 result = the_locking_inset->localDispatch(bv, action, arg);
1111                 if (result == DISPATCHED_NOUPDATE)
1112                         return result;
1113                 else if (result == DISPATCHED) {
1114                         updateLocal(bv, CURSOR_PAR, false);
1115                         return result;
1116                 } else if (result >= FINISHED) {
1117                         switch (result) {
1118                         case FINISHED_RIGHT:
1119                                 moveRightIntern(bv, false, false);
1120                                 result = DISPATCHED;
1121                                 break;
1122                         case FINISHED_UP:
1123                                 if ((result = moveUp(bv)) >= FINISHED) {
1124                                         updateLocal(bv, CURSOR, false);
1125                                         bv->unlockInset(this);
1126                                 }
1127                                 break;
1128                         case FINISHED_DOWN:
1129                                 if ((result = moveDown(bv)) >= FINISHED) {
1130                                         updateLocal(bv, CURSOR, false);
1131                                         bv->unlockInset(this);
1132                                 }
1133                                 break;
1134                         default:
1135                                 result = DISPATCHED;
1136                                 break;
1137                         }
1138                         the_locking_inset = 0;
1139 #ifdef WITH_WARNINGS
1140 #warning I changed this to always return Dispatched maybe it is wrong (20011001 Jug)
1141 #endif
1142                         return result;
1143                 }
1144         }
1145         hideInsetCursor(bv);
1146         bool clear = false;
1147         if (!lt) {
1148                 lt = getLyXText(bv);
1149                 clear = true;
1150         }
1151         int updwhat = 0;
1152         int updflag = false;
1153         switch (action) {
1154         // Normal chars
1155         case LFUN_SELFINSERT:
1156                 if (bv->buffer()->isReadonly()) {
1157 //          setErrorMessage(N_("Document is read only"));
1158                         break;
1159                 }
1160                 if (!arg.empty()) {
1161                         /* Automatically delete the currently selected
1162                          * text and replace it with what is being
1163                          * typed in now. Depends on lyxrc settings
1164                          * "auto_region_delete", which defaults to
1165                          * true (on). */
1166
1167                         setUndo(bv, Undo::INSERT,
1168                                 lt->cursor.par(), lt->cursor.par()->next());
1169                         bv->setState();
1170                         if (lyxrc.auto_region_delete) {
1171                                 if (lt->selection.set()) {
1172                                         lt->cutSelection(bv, false);
1173                                 }
1174                         }
1175                         lt->clearSelection();
1176                         for (string::size_type i = 0; i < arg.length(); ++i) {
1177                                 bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], lt);
1178                         }
1179                 }
1180                 lt->selection.cursor = lt->cursor;
1181                 updwhat = CURSOR_PAR;
1182                 updflag = true;
1183                 result = DISPATCHED_NOUPDATE;
1184                 break;
1185                 // --- Cursor Movements -----------------------------------
1186         case LFUN_RIGHTSEL:
1187                 finishUndo();
1188                 moveRight(bv, false, true);
1189                 lt->setSelection(bv);
1190                 updwhat = SELECTION;
1191                 break;
1192         case LFUN_RIGHT:
1193                 result = moveRight(bv);
1194                 finishUndo();
1195                 updwhat = CURSOR;
1196                 break;
1197         case LFUN_LEFTSEL:
1198                 finishUndo();
1199                 moveLeft(bv, false, true);
1200                 lt->setSelection(bv);
1201                 updwhat = SELECTION;
1202                 break;
1203         case LFUN_LEFT:
1204                 finishUndo();
1205                 result = moveLeft(bv);
1206                 updwhat = CURSOR;
1207                 break;
1208         case LFUN_DOWNSEL:
1209                 finishUndo();
1210                 moveDown(bv);
1211                 lt->setSelection(bv);
1212                 updwhat = SELECTION;
1213                 break;
1214         case LFUN_DOWN:
1215                 finishUndo();
1216                 result = moveDown(bv);
1217                 updwhat = CURSOR;
1218                 break;
1219         case LFUN_UPSEL:
1220                 finishUndo();
1221                 moveUp(bv);
1222                 lt->setSelection(bv);
1223                 updwhat = SELECTION;
1224                 break;
1225         case LFUN_UP:
1226                 finishUndo();
1227                 result = moveUp(bv);
1228                 updwhat = CURSOR;
1229                 break;
1230         case LFUN_HOME:
1231                 finishUndo();
1232                 lt->cursorHome(bv);
1233                 updwhat = CURSOR;
1234                 break;
1235         case LFUN_END:
1236                 lt->cursorEnd(bv);
1237                 updwhat = CURSOR;
1238                 break;
1239         case LFUN_BACKSPACE: {
1240                 setUndo(bv, Undo::DELETE,
1241                         lt->cursor.par(), lt->cursor.par()->next());
1242                 if (lt->selection.set())
1243                         lt->cutSelection(bv);
1244                 else
1245                         lt->backspace(bv);
1246                 updwhat = CURSOR_PAR;
1247                 updflag = true;
1248         }
1249         break;
1250
1251         case LFUN_DELETE: {
1252                 setUndo(bv, Undo::DELETE,
1253                         lt->cursor.par(), lt->cursor.par()->next());
1254                 if (lt->selection.set()) {
1255                         lt->cutSelection(bv);
1256                 } else {
1257                         lt->Delete(bv);
1258                 }
1259                 updwhat = CURSOR_PAR;
1260                 updflag = true;
1261         }
1262         break;
1263
1264         case LFUN_CUT: {
1265                 setUndo(bv, Undo::DELETE,
1266                         lt->cursor.par(), lt->cursor.par()->next());
1267                 lt->cutSelection(bv);
1268                 updwhat = CURSOR_PAR;
1269                 updflag = true;
1270         }
1271         break;
1272
1273         case LFUN_COPY:
1274                 finishUndo();
1275                 lt->copySelection(bv);
1276                 updwhat = CURSOR_PAR;
1277                 break;
1278         case LFUN_PASTESELECTION:
1279         {
1280                 string const clip(bv->getClipboard());
1281
1282                 if (clip.empty())
1283                         break;
1284                 if (arg == "paragraph") {
1285                         lt->insertStringAsParagraphs(bv, clip);
1286                 } else {
1287                         lt->insertStringAsLines(bv, clip);
1288                 }
1289                 updwhat = CURSOR_PAR;
1290                 updflag = true;
1291                 break;
1292         }
1293         case LFUN_PASTE: {
1294                 if (!autoBreakRows) {
1295
1296                         if (CutAndPaste::nrOfParagraphs() > 1) {
1297                                 Alert::alert(_("Impossible operation"),
1298                                                    _("Cannot include more than one paragraph!"),
1299                                                    _("Sorry."));
1300                                 break;
1301                         }
1302                 }
1303                 setUndo(bv, Undo::INSERT,
1304                         lt->cursor.par(), lt->cursor.par()->next());
1305                 lt->pasteSelection(bv);
1306                 updwhat = CURSOR_PAR;
1307                 updflag = true;
1308         }
1309         break;
1310
1311         case LFUN_BREAKPARAGRAPH:
1312                 if (!autoBreakRows) {
1313                         result = DISPATCHED;
1314                         break;
1315                 }
1316                 lt->breakParagraph(bv, 0);
1317                 updwhat = FULL;
1318                 updflag = true;
1319                 break;
1320         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1321                 if (!autoBreakRows) {
1322                         result = DISPATCHED;
1323                         break;
1324                 }
1325                 lt->breakParagraph(bv, 1);
1326                 updwhat = FULL;
1327                 updflag = true;
1328                 break;
1329
1330         case LFUN_BREAKLINE: {
1331                 if (!autoBreakRows) {
1332                         result = DISPATCHED;
1333                         break;
1334                 }
1335                 setUndo(bv, Undo::INSERT,
1336                         lt->cursor.par(), lt->cursor.par()->next());
1337                 lt->insertChar(bv, Paragraph::META_NEWLINE);
1338                 updwhat = CURSOR_PAR;
1339                 updflag = true;
1340         }
1341         break;
1342
1343         case LFUN_LAYOUT:
1344                 // do not set layouts on non breakable textinsets
1345                 if (autoBreakRows) {
1346                         string cur_layout = cpar(bv)->layout();
1347
1348                         // Derive layout number from given argument (string)
1349                         // and current buffer's textclass (number). */
1350                         textclass_type tclass = bv->buffer()->params.textclass;
1351                         string layout = arg;
1352                         bool hasLayout = textclasslist[tclass].hasLayout(layout);
1353
1354                         // If the entry is obsolete, use the new one instead.
1355                         if (hasLayout) {
1356                                 string const & obs =
1357                                         textclasslist[tclass][layout].
1358                                         obsoleted_by();
1359                                 if (!obs.empty())
1360                                         layout = obs;
1361                         }
1362
1363                         // see if we found the layout number:
1364                         if (!hasLayout) {
1365                                 string const msg = string(N_("Layout ")) + arg + N_(" not known");
1366                                 bv->owner()->getLyXFunc()->dispatch(LFUN_MESSAGE, msg);
1367                                 break;
1368                         }
1369
1370                         if (cur_layout != layout) {
1371                                 cur_layout = layout;
1372                                 lt->setLayout(bv, layout);
1373                                 bv->owner()->setLayout(cpar(bv)->layout());
1374                                 updwhat = CURSOR_PAR;
1375                                 updflag = true;
1376                         }
1377                 } else {
1378                         // reset the layout box
1379                         bv->owner()->setLayout(cpar(bv)->layout());
1380                 }
1381                 break;
1382         case LFUN_PARAGRAPH_SPACING:
1383                 // This one is absolutely not working. When fiddling with this
1384                 // it also seems to me that the paragraphs inside the insettext
1385                 // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1386         {
1387                 Paragraph * par = lt->cursor.par();
1388                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
1389                 float cur_value = 1.0;
1390                 if (cur_spacing == Spacing::Other) {
1391                         cur_value = par->params().spacing().getValue();
1392                 }
1393
1394                 istringstream istr(arg.c_str());
1395                 string tmp;
1396                 istr >> tmp;
1397                 Spacing::Space new_spacing = cur_spacing;
1398                 float new_value = cur_value;
1399                 if (tmp.empty()) {
1400                         lyxerr << "Missing argument to `paragraph-spacing'"
1401                                    << endl;
1402                 } else if (tmp == "single") {
1403                         new_spacing = Spacing::Single;
1404                 } else if (tmp == "onehalf") {
1405                         new_spacing = Spacing::Onehalf;
1406                 } else if (tmp == "double") {
1407                         new_spacing = Spacing::Double;
1408                 } else if (tmp == "other") {
1409                         new_spacing = Spacing::Other;
1410                         float tmpval = 0.0;
1411                         istr >> tmpval;
1412                         lyxerr << "new_value = " << tmpval << endl;
1413                         if (tmpval != 0.0)
1414                                 new_value = tmpval;
1415                 } else if (tmp == "default") {
1416                         new_spacing = Spacing::Default;
1417                 } else {
1418                         lyxerr << _("Unknown spacing argument: ")
1419                                    << arg << endl;
1420                 }
1421                 if (cur_spacing != new_spacing || cur_value != new_value) {
1422                         par->params().spacing(Spacing(new_spacing, new_value));
1423                         updwhat = CURSOR_PAR;
1424                         updflag = true;
1425                 }
1426         }
1427         break;
1428
1429         default:
1430                 if (!bv->Dispatch(action, arg))
1431                         result = UNDISPATCHED;
1432                 break;
1433         }
1434
1435         if (clear)
1436                 lt = 0;
1437         if (updwhat > 0)
1438                 updateLocal(bv, updwhat, updflag);
1439         /// If the action has deleted all text in the inset, we need to change the
1440         // language to the language of the surronding text.
1441         if (!was_empty && par->size() == 0 && !par->next()) {
1442                 LyXFont font(LyXFont::ALL_IGNORE);
1443                 font.setLanguage(bv->getParentLanguage(this));
1444                 setFont(bv, font, false);
1445         }
1446
1447         if (result >= FINISHED)
1448                 bv->unlockInset(this);
1449         return result;
1450 }
1451
1452
1453 int InsetText::latex(Buffer const * buf, ostream & os, bool, bool) const
1454 {
1455         TexRow texrow;
1456         buf->latexParagraphs(os, par, 0, texrow);
1457         return texrow.rows();
1458 }
1459
1460
1461 int InsetText::ascii(Buffer const * buf, ostream & os, int linelen) const
1462 {
1463         Paragraph * p = par;
1464         unsigned int lines = 0;
1465
1466         while (p) {
1467                 string const tmp = buf->asciiParagraph(p, linelen, p->previous()==0);
1468                 lines += lyx::count(tmp.begin(), tmp.end(), '\n');
1469                 os << tmp;
1470                 p = p->next();
1471         }
1472         return lines;
1473 }
1474
1475
1476 int InsetText::docbook(Buffer const * buf, ostream & os) const
1477 {
1478         Paragraph * p = par;
1479         unsigned int lines = 0;
1480
1481         vector<string> environment_stack(10);
1482         vector<string> environment_inner(10);
1483
1484         int const command_depth = 0;
1485         string item_name;
1486
1487         Paragraph::depth_type depth = 0; // paragraph depth
1488
1489         while (p) {
1490                 string sgmlparam;
1491                 int desc_on = 0; // description mode
1492
1493                 LyXLayout const & style =
1494                         textclasslist[buf->params.textclass][p->layout()];
1495
1496                 // environment tag closing
1497                 for (; depth > p->params().depth(); --depth) {
1498                         if (environment_inner[depth] != "!-- --") {
1499                                 item_name = "listitem";
1500                                 buf->sgmlCloseTag(os, command_depth + depth,
1501                                              item_name);
1502                                 if (environment_inner[depth] == "varlistentry")
1503                                         buf->sgmlCloseTag(os, depth+command_depth,
1504                                                      environment_inner[depth]);
1505                         }
1506                         buf->sgmlCloseTag(os, depth + command_depth,
1507                                      environment_stack[depth]);
1508                         environment_stack[depth].erase();
1509                         environment_inner[depth].erase();
1510                 }
1511
1512                 if (depth == p->params().depth()
1513                    && environment_stack[depth] != style.latexname()
1514                    && !environment_stack[depth].empty()) {
1515                         if (environment_inner[depth] != "!-- --") {
1516                                 item_name= "listitem";
1517                                 buf->sgmlCloseTag(os, command_depth+depth,
1518                                                   item_name);
1519                                 if (environment_inner[depth] == "varlistentry")
1520                                         buf->sgmlCloseTag(os,
1521                                                           depth + command_depth,
1522                                                           environment_inner[depth]);
1523                         }
1524
1525                         buf->sgmlCloseTag(os, depth + command_depth,
1526                                           environment_stack[depth]);
1527
1528                         environment_stack[depth].erase();
1529                         environment_inner[depth].erase();
1530                 }
1531
1532                 // Write opening SGML tags.
1533                 switch (style.latextype) {
1534                 case LATEX_PARAGRAPH:
1535                         buf->sgmlOpenTag(os, depth + command_depth,
1536                                          style.latexname());
1537                         break;
1538
1539                 case LATEX_COMMAND:
1540                         buf->sgmlError(p, 0,
1541                                        _("Error : LatexType Command not allowed here.\n"));
1542                         return -1;
1543                         break;
1544
1545                 case LATEX_ENVIRONMENT:
1546                 case LATEX_ITEM_ENVIRONMENT:
1547                         if (depth < p->params().depth()) {
1548                                 depth = p->params().depth();
1549                                 environment_stack[depth].erase();
1550                         }
1551
1552                         if (environment_stack[depth] != style.latexname()) {
1553                                 if (environment_stack.size() == depth + 1) {
1554                                         environment_stack.push_back("!-- --");
1555                                         environment_inner.push_back("!-- --");
1556                                 }
1557                                 environment_stack[depth] = style.latexname();
1558                                 environment_inner[depth] = "!-- --";
1559                                 buf->sgmlOpenTag(os, depth + command_depth,
1560                                                  environment_stack[depth]);
1561                         } else {
1562                                 if (environment_inner[depth] != "!-- --") {
1563                                         item_name= "listitem";
1564                                         buf->sgmlCloseTag(os,
1565                                                           command_depth + depth,
1566                                                           item_name);
1567                                         if (environment_inner[depth] == "varlistentry")
1568                                                 buf->sgmlCloseTag(os,
1569                                                                   depth + command_depth,
1570                                                                   environment_inner[depth]);
1571                                 }
1572                         }
1573
1574                         if (style.latextype == LATEX_ENVIRONMENT) {
1575                                 if (!style.latexparam().empty()) {
1576                                         if (style.latexparam() == "CDATA")
1577                                                 os << "<![CDATA[";
1578                                         else
1579                                                 buf->sgmlOpenTag(os, depth + command_depth,
1580                                                                  style.latexparam());
1581                                 }
1582                                 break;
1583                         }
1584
1585                         desc_on = (style.labeltype == LABEL_MANUAL);
1586
1587                         if (desc_on)
1588                                 environment_inner[depth]= "varlistentry";
1589                         else
1590                                 environment_inner[depth]= "listitem";
1591
1592                         buf->sgmlOpenTag(os, depth + 1 + command_depth,
1593                                          environment_inner[depth]);
1594
1595                         if (desc_on) {
1596                                 item_name= "term";
1597                                 buf->sgmlOpenTag(os, depth + 1 + command_depth,
1598                                                  item_name);
1599                         } else {
1600                                 item_name= "para";
1601                                 buf->sgmlOpenTag(os, depth + 1 + command_depth,
1602                                                  item_name);
1603                         }
1604                         break;
1605                 default:
1606                         buf->sgmlOpenTag(os, depth + command_depth,
1607                                          style.latexname());
1608                         break;
1609                 }
1610
1611                 buf->simpleDocBookOnePar(os, p, desc_on,
1612                                          depth + 1 + command_depth);
1613                 p = p->next();
1614
1615                 string end_tag;
1616                 // write closing SGML tags
1617                 switch (style.latextype) {
1618                 case LATEX_ENVIRONMENT:
1619                         if (!style.latexparam().empty()) {
1620                                 if (style.latexparam() == "CDATA")
1621                                         os << "]]>";
1622                                 else
1623                                         buf->sgmlCloseTag(os, depth + command_depth,
1624                                                           style.latexparam());
1625                         }
1626                         break;
1627                 case LATEX_ITEM_ENVIRONMENT:
1628                         if (desc_on == 1) break;
1629                         end_tag= "para";
1630                         buf->sgmlCloseTag(os, depth + 1 + command_depth, end_tag);
1631                         break;
1632                 case LATEX_PARAGRAPH:
1633                         buf->sgmlCloseTag(os, depth + command_depth, style.latexname());
1634                         break;
1635                 default:
1636                         buf->sgmlCloseTag(os, depth + command_depth, style.latexname());
1637                         break;
1638                 }
1639         }
1640
1641         // Close open tags
1642         for (int d = depth; d >= 0; --d) {
1643                 if (!environment_stack[depth].empty()) {
1644                         if (environment_inner[depth] != "!-- --") {
1645                                 item_name = "listitem";
1646                                 buf->sgmlCloseTag(os, command_depth + depth,
1647                                                   item_name);
1648                                if (environment_inner[depth] == "varlistentry")
1649                                        buf->sgmlCloseTag(os, depth + command_depth,
1650                                                          environment_inner[depth]);
1651                         }
1652
1653                         buf->sgmlCloseTag(os, depth + command_depth,
1654                                           environment_stack[depth]);
1655                 }
1656         }
1657
1658         return lines;
1659 }
1660
1661
1662 void InsetText::validate(LaTeXFeatures & features) const
1663 {
1664         Paragraph * p = par;
1665         while (p) {
1666                 p->validate(features);
1667                 p = p->next();
1668         }
1669 }
1670
1671
1672 int InsetText::beginningOfMainBody(Buffer const * buf, Paragraph * p) const
1673 {
1674         if (textclasslist[buf->params.textclass][p->layout()].labeltype != LABEL_MANUAL)
1675                 return 0;
1676         else
1677                 return p->beginningOfMainBody();
1678 }
1679
1680
1681 void InsetText::getCursorPos(BufferView * bv,
1682                              int & x, int & y) const
1683 {
1684         if (the_locking_inset) {
1685                 the_locking_inset->getCursorPos(bv, x, y);
1686                 return;
1687         }
1688         x = cx(bv);
1689         y = cy(bv);
1690 }
1691
1692
1693 unsigned int InsetText::insetInInsetY()
1694 {
1695         if (!the_locking_inset)
1696                 return 0;
1697
1698         return (inset_y + the_locking_inset->insetInInsetY());
1699 }
1700
1701
1702 void InsetText::toggleInsetCursor(BufferView * bv)
1703 {
1704         if (the_locking_inset) {
1705                 the_locking_inset->toggleInsetCursor(bv);
1706                 return;
1707         }
1708
1709         LyXFont const font(getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv)));
1710
1711         int const asc = lyxfont::maxAscent(font);
1712         int const desc = lyxfont::maxDescent(font);
1713
1714         if (isCursorVisible())
1715                 bv->hideLockedInsetCursor();
1716         else
1717                 bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1718         toggleCursorVisible();
1719 }
1720
1721
1722 void InsetText::showInsetCursor(BufferView * bv, bool show)
1723 {
1724         if (the_locking_inset) {
1725                 the_locking_inset->showInsetCursor(bv, show);
1726                 return;
1727         }
1728         if (!isCursorVisible()) {
1729                 LyXFont const font =
1730                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1731
1732                 int const asc = lyxfont::maxAscent(font);
1733                 int const desc = lyxfont::maxDescent(font);
1734
1735                 bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1736                 if (show)
1737                         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1738                 setCursorVisible(true);
1739         }
1740 }
1741
1742
1743 void InsetText::hideInsetCursor(BufferView * bv)
1744 {
1745         if (isCursorVisible()) {
1746                 bv->hideLockedInsetCursor();
1747                 setCursorVisible(false);
1748         }
1749         if (the_locking_inset)
1750                 the_locking_inset->hideInsetCursor(bv);
1751 }
1752
1753
1754 void InsetText::fitInsetCursor(BufferView * bv) const
1755 {
1756         if (the_locking_inset) {
1757                 the_locking_inset->fitInsetCursor(bv);
1758                 return;
1759         }
1760         LyXFont const font =
1761                 getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1762
1763         int const asc = lyxfont::maxAscent(font);
1764         int const desc = lyxfont::maxDescent(font);
1765
1766         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1767 }
1768
1769
1770 UpdatableInset::RESULT
1771 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1772 {
1773         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1774                 return moveLeftIntern(bv, false, activate_inset, selecting);
1775         else
1776                 return moveRightIntern(bv, false, activate_inset, selecting);
1777 }
1778
1779
1780 UpdatableInset::RESULT
1781 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1782 {
1783         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1784                 return moveRightIntern(bv, true, activate_inset, selecting);
1785         else
1786                 return moveLeftIntern(bv, true, activate_inset, selecting);
1787 }
1788
1789
1790 UpdatableInset::RESULT
1791 InsetText::moveRightIntern(BufferView * bv, bool behind,
1792                            bool activate_inset, bool selecting)
1793 {
1794         if (!cpar(bv)->next() && (cpos(bv) >= cpar(bv)->size()))
1795                 return FINISHED_RIGHT;
1796         if (activate_inset && checkAndActivateInset(bv, behind))
1797                 return DISPATCHED;
1798         getLyXText(bv)->cursorRight(bv);
1799         if (!selecting)
1800                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1801         return DISPATCHED_NOUPDATE;
1802 }
1803
1804
1805 UpdatableInset::RESULT
1806 InsetText::moveLeftIntern(BufferView * bv, bool behind,
1807                           bool activate_inset, bool selecting)
1808 {
1809         if (!cpar(bv)->previous() && (cpos(bv) <= 0))
1810                 return FINISHED;
1811         getLyXText(bv)->cursorLeft(bv);
1812         if (!selecting)
1813                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1814         if (activate_inset && checkAndActivateInset(bv, behind))
1815                 return DISPATCHED;
1816         return DISPATCHED_NOUPDATE;
1817 }
1818
1819
1820 UpdatableInset::RESULT
1821 InsetText::moveUp(BufferView * bv)
1822 {
1823         if (!crow(bv)->previous())
1824                 return FINISHED_UP;
1825         getLyXText(bv)->cursorUp(bv);
1826         return DISPATCHED_NOUPDATE;
1827 }
1828
1829
1830 UpdatableInset::RESULT
1831 InsetText::moveDown(BufferView * bv)
1832 {
1833         if (!crow(bv)->next())
1834                 return FINISHED_DOWN;
1835         getLyXText(bv)->cursorDown(bv);
1836         return DISPATCHED_NOUPDATE;
1837 }
1838
1839
1840 bool InsetText::insertInset(BufferView * bv, Inset * inset)
1841 {
1842         if (the_locking_inset) {
1843                 if (the_locking_inset->insetAllowed(inset))
1844                         return the_locking_inset->insertInset(bv, inset);
1845                 return false;
1846         }
1847         bool clear = false;
1848         if (!lt) {
1849                 lt = getLyXText(bv);
1850                 clear = true;
1851         }
1852         setUndo(bv, Undo::FINISH, lt->cursor.par(), lt->cursor.par()->next());
1853         freezeUndo();
1854         inset->setOwner(this);
1855         hideInsetCursor(bv);
1856         lt->insertInset(bv, inset);
1857         bv->fitCursor();
1858         if (clear)
1859                 lt = 0;
1860         updateLocal(bv, CURSOR_PAR|CURSOR, true);
1861         unFreezeUndo();
1862         return true;
1863 }
1864
1865
1866 bool InsetText::insetAllowed(Inset::Code code) const
1867 {
1868         // in_insetAllowed is a really gross hack,
1869         // to allow us to call the owner's insetAllowed
1870         // without stack overflow, which can happen
1871         // when the owner uses InsetCollapsable::insetAllowed()
1872         bool ret = true;
1873         if (in_insetAllowed)
1874                 return ret;
1875         in_insetAllowed = true;
1876         if (the_locking_inset)
1877                 ret = the_locking_inset->insetAllowed(code);
1878         else if (owner())
1879                 ret = owner()->insetAllowed(code);
1880         in_insetAllowed = false;
1881         return ret;
1882 }
1883
1884
1885 UpdatableInset * InsetText::getLockingInset() const
1886 {
1887         return the_locking_inset ? the_locking_inset->getLockingInset() :
1888                 const_cast<InsetText *>(this);
1889 }
1890
1891
1892 UpdatableInset * InsetText::getFirstLockingInsetOfType(Inset::Code c)
1893 {
1894         if (c == lyxCode())
1895                 return this;
1896         if (the_locking_inset)
1897                 return the_locking_inset->getFirstLockingInsetOfType(c);
1898         return 0;
1899 }
1900
1901
1902 bool InsetText::showInsetDialog(BufferView * bv) const
1903 {
1904         if (the_locking_inset)
1905                 return the_locking_inset->showInsetDialog(bv);
1906         return false;
1907 }
1908
1909
1910 vector<string> const InsetText::getLabelList() const
1911 {
1912         vector<string> label_list;
1913
1914         Paragraph * tpar = par;
1915         while (tpar) {
1916                 Paragraph::inset_iterator beg = tpar->inset_iterator_begin();
1917                 Paragraph::inset_iterator end = tpar->inset_iterator_end();
1918                 for (; beg != end; ++beg) {
1919                         vector<string> const l = (*beg)->getLabelList();
1920                         label_list.insert(label_list.end(), l.begin(), l.end());
1921                 }
1922                 tpar = tpar->next();
1923         }
1924         return label_list;
1925 }
1926
1927
1928 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
1929                         bool selectall)
1930 {
1931         if (the_locking_inset) {
1932                 the_locking_inset->setFont(bv, font, toggleall, selectall);
1933                 return;
1934         }
1935         if ((!par->next() && !par->size()) || !cpar(bv)->size()) {
1936                 getLyXText(bv)->setFont(bv, font, toggleall);
1937                 return;
1938         }
1939         bool clear = false;
1940         if (!lt) {
1941                 lt = getLyXText(bv);
1942                 clear = true;
1943         }
1944         if (lt->selection.set()) {
1945                 setUndo(bv, Undo::EDIT, lt->cursor.par(), lt->cursor.par()->next());
1946         }
1947         if (selectall)
1948                 selectAll(bv);
1949         lt->toggleFree(bv, font, toggleall);
1950         if (selectall)
1951                 lt->clearSelection();
1952         bv->fitCursor();
1953         bool flag = (selectall || lt->selection.set());
1954         if (clear)
1955                 lt = 0;
1956         if (flag)
1957                 updateLocal(bv, FULL, true);
1958         else
1959                 updateLocal(bv, CURSOR_PAR, true);
1960 }
1961
1962
1963 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1964 {
1965         if (cpar(bv)->isInset(cpos(bv))) {
1966                 unsigned int x;
1967                 unsigned int y;
1968                 Inset * inset =
1969                         static_cast<UpdatableInset*>(cpar(bv)->getInset(cpos(bv)));
1970                 if (!isHighlyEditableInset(inset))
1971                         return false;
1972                 LyXFont const font =
1973                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1974                 if (behind) {
1975                         x = inset->width(bv, font);
1976                         y = font.isRightToLeft() ? 0 : inset->descent(bv, font);
1977                 } else {
1978                         x = 0;
1979                         y = font.isRightToLeft() ? inset->descent(bv, font) : 0;
1980                 }
1981                 //inset_x = cx(bv) - top_x + drawTextXOffset;
1982                 //inset_y = cy(bv) + drawTextYOffset;
1983                 inset->edit(bv, x, y, 0);
1984                 if (!the_locking_inset)
1985                         return false;
1986                 updateLocal(bv, CURSOR, false);
1987                 return true;
1988         }
1989         return false;
1990 }
1991
1992
1993 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1994                                       int button)
1995 {
1996         x -= drawTextXOffset;
1997         int dummyx = x;
1998         int dummyy = y + insetAscent;
1999         Inset * inset = bv->checkInsetHit(getLyXText(bv), dummyx, dummyy);
2000
2001         if (inset) {
2002                 if (x < 0)
2003                         x = insetWidth;
2004                 if (y < 0)
2005                         y = insetDescent;
2006                 inset_x = cx(bv) - top_x + drawTextXOffset;
2007                 inset_y = cy(bv) + drawTextYOffset;
2008                 inset->edit(bv, x - inset_x, y - inset_y, button);
2009                 if (!the_locking_inset)
2010                         return false;
2011                 updateLocal(bv, CURSOR, false);
2012                 return true;
2013         }
2014         return false;
2015 }
2016
2017
2018 int InsetText::getMaxWidth(BufferView * bv, UpdatableInset const * inset) const
2019 {
2020 #if 0
2021         int w = UpdatableInset::getMaxWidth(bv, inset);
2022         if (w < 0) {
2023                 return -1;
2024         }
2025         if (owner()) {
2026                 w = w - top_x + owner()->x();
2027                 return w;
2028         }
2029         w -= (2 * TEXT_TO_INSET_OFFSET);
2030         return w - top_x;
2031 #else
2032         return UpdatableInset::getMaxWidth(bv, inset);
2033 #endif
2034 }
2035
2036
2037 void InsetText::setParagraphData(Paragraph * p, bool same_id)
2038 {
2039         // we have to unlock any locked inset otherwise we're in troubles
2040         the_locking_inset = 0;
2041         while (par) {
2042                 Paragraph * tmp = par->next();
2043                 delete par;
2044                 par = tmp;
2045         }
2046
2047         par = new Paragraph(*p, same_id);
2048         par->setInsetOwner(this);
2049         Paragraph * np = par;
2050         while (p->next()) {
2051                 p = p->next();
2052                 np->next(new Paragraph(*p, same_id));
2053                 np->next()->previous(np);
2054                 np = np->next();
2055                 np->setInsetOwner(this);
2056         }
2057         reinitLyXText();
2058         need_update = INIT;
2059 }
2060
2061
2062 void InsetText::setText(string const & data)
2063 {
2064         clear();
2065         LyXFont font(LyXFont::ALL_SANE);
2066         for (unsigned int i=0; i < data.length(); ++i)
2067                 par->insertChar(i, data[i], font);
2068 }
2069
2070
2071 void InsetText::setAutoBreakRows(bool flag)
2072 {
2073         if (flag != autoBreakRows) {
2074                 autoBreakRows = flag;
2075                 if (!flag)
2076                         removeNewlines();
2077                 need_update = INIT;
2078         }
2079 }
2080
2081
2082 void InsetText::setDrawFrame(BufferView * bv, DrawFrame how)
2083 {
2084         if (how != drawFrame_) {
2085                 drawFrame_ = how;
2086                 if (bv)
2087                         updateLocal(bv, DRAW_FRAME, false);
2088         }
2089 }
2090
2091
2092 void InsetText::setFrameColor(BufferView * bv, LColor::color col)
2093 {
2094         if (frame_color != col) {
2095                 frame_color = col;
2096                 if (bv)
2097                         updateLocal(bv, DRAW_FRAME, false);
2098         }
2099 }
2100
2101
2102 int InsetText::cx(BufferView * bv) const
2103 {
2104         // we do nothing dangerous so we use a local cache
2105         LyXText * llt = getLyXText(bv);
2106         int x = llt->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
2107         if (the_locking_inset) {
2108                 LyXFont font = llt->getFont(bv->buffer(), llt->cursor.par(),
2109                                             llt->cursor.pos());
2110                 if (font.isVisibleRightToLeft())
2111                         x -= the_locking_inset->width(bv, font);
2112         }
2113         return x;
2114 }
2115
2116
2117 int InsetText::cy(BufferView * bv) const
2118 {
2119         LyXFont font;
2120         return getLyXText(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
2121 }
2122
2123
2124 pos_type InsetText::cpos(BufferView * bv) const
2125 {
2126         return getLyXText(bv)->cursor.pos();
2127 }
2128
2129
2130 Paragraph * InsetText::cpar(BufferView * bv) const
2131 {
2132         return getLyXText(bv)->cursor.par();
2133 }
2134
2135
2136 bool InsetText::cboundary(BufferView * bv) const
2137 {
2138         return getLyXText(bv)->cursor.boundary();
2139 }
2140
2141
2142 Row * InsetText::crow(BufferView * bv) const
2143 {
2144         return getLyXText(bv)->cursor.row();
2145 }
2146
2147
2148 LyXText * InsetText::getLyXText(BufferView const * lbv,
2149                                 bool const recursive) const
2150 {
2151         if (cached_bview == lbv) {
2152                 if (recursive && the_locking_inset)
2153                         return the_locking_inset->getLyXText(lbv, true);
2154                 LyXText * lt = cached_text.get();
2155                 lyx::Assert(lt && lt->firstRow()->par() == par);
2156                 return lt;
2157         }
2158         // Super UGLY! (Lgb)
2159         BufferView * bv = const_cast<BufferView *>(lbv);
2160
2161         cached_bview = bv;
2162         Cache::iterator it = cache.find(bv);
2163
2164         if (it != cache.end()) {
2165                 if (do_reinit) {
2166                         reinitLyXText();
2167                 } else if (do_resize) {
2168                         resizeLyXText(do_resize);
2169                 } else {
2170                         if (lt || !it->second.remove) {
2171                                 lyx::Assert(it->second.text.get());
2172                                 cached_text = it->second.text;
2173                                 if (recursive && the_locking_inset) {
2174                                         return the_locking_inset->getLyXText(bv, true);
2175                                 }
2176                                 return cached_text.get();
2177                         } else if (it->second.remove) {
2178                                 if (locked) {
2179                                         saveLyXTextState(it->second.text.get());
2180                                 } else {
2181                                         sstate.lpar = 0;
2182                                 }
2183                         }
2184                         //
2185                         // when we have to reinit the existing LyXText!
2186                         //
2187                         it->second.text->init(bv);
2188                         restoreLyXTextState(bv, it->second.text.get());
2189                         it->second.remove = false;
2190                 }
2191                 cached_text = it->second.text;
2192                 if (the_locking_inset && recursive) {
2193                         return the_locking_inset->getLyXText(bv);
2194                 }
2195                 return cached_text.get();
2196         }
2197         ///
2198         // we are here only if we don't have a BufferView * in the cache!!!
2199         ///
2200         cached_text.reset(new LyXText(const_cast<InsetText *>(this)));
2201         cached_text->init(bv);
2202         restoreLyXTextState(bv, cached_text.get());
2203
2204         cache.insert(make_pair(bv, cached_text));
2205
2206         if (the_locking_inset && recursive) {
2207                 return the_locking_inset->getLyXText(bv);
2208         }
2209         return cached_text.get();
2210 }
2211
2212
2213 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
2214 {
2215         cached_bview = 0;
2216
2217         Cache::iterator it = cache.find(bv);
2218
2219         if (it == cache.end()) {
2220                 return;
2221         }
2222
2223         lyx::Assert(it->second.text.get());
2224
2225         it->second.remove = true;
2226         if (recursive) {
2227                 /// then remove all LyXText in text-insets
2228                 Paragraph * p = par;
2229                 for (; p; p = p->next()) {
2230                         p->deleteInsetsLyXText(bv);
2231                 }
2232         }
2233 }
2234
2235
2236 void InsetText::resizeLyXText(BufferView * bv, bool force) const
2237 {
2238         if (lt) {
2239                 // we cannot resize this because we are in use!
2240                 // so do this on the next possible getLyXText()
2241                 do_resize = bv;
2242                 return;
2243         }
2244         do_resize = 0;
2245 //      lyxerr << "InsetText::resizeLyXText\n";
2246         if (!par->next() && !par->size()) { // no data, resize not neccessary!
2247                 // we have to do this as a fixed width may have changed!
2248                 LyXText * t = getLyXText(bv);
2249                 saveLyXTextState(t);
2250                 t->init(bv, true);
2251                 restoreLyXTextState(bv, t);
2252                 return;
2253         }
2254         // one endless line, resize normally not necessary
2255         if (!force && getMaxWidth(bv, this) < 0)
2256                 return;
2257
2258         Cache::iterator it = cache.find(bv);
2259         if (it == cache.end()) {
2260                 return;
2261         }
2262         lyx::Assert(it->second.text.get());
2263
2264         LyXText * t = it->second.text.get();
2265         saveLyXTextState(t);
2266         for (Paragraph * p = par; p; p = p->next()) {
2267                 p->resizeInsetsLyXText(bv);
2268         }
2269         t->init(bv, true);
2270         restoreLyXTextState(bv, t);
2271         if (the_locking_inset) {
2272                 inset_x = cx(bv) - top_x + drawTextXOffset;
2273                 inset_y = cy(bv) + drawTextYOffset;
2274         }
2275
2276         if (bv->screen()) {
2277                 t->first_y = bv->screen()->topCursorVisible(t);
2278         }
2279         if (!owner()) {
2280                 updateLocal(bv, FULL, false);
2281                 // this will scroll the screen such that the cursor becomes visible
2282                 bv->updateScrollbar();
2283         } else {
2284                 need_update |= FULL;
2285         }
2286 }
2287
2288
2289 void InsetText::reinitLyXText() const
2290 {
2291         if (lt) {
2292                 // we cannot resize this because we are in use!
2293                 // so do this on the next possible getLyXText()
2294                 do_reinit = true;
2295                 return;
2296         }
2297         do_reinit = false;
2298         do_resize = 0;
2299 //      lyxerr << "InsetText::reinitLyXText\n";
2300         for(Cache::iterator it = cache.begin(); it != cache.end(); ++it) {
2301                 lyx::Assert(it->second.text.get());
2302
2303                 LyXText * t = it->second.text.get();
2304                 BufferView * bv = it->first;
2305
2306                 saveLyXTextState(t);
2307                 for (Paragraph * p = par; p; p = p->next()) {
2308                         p->resizeInsetsLyXText(bv);
2309                 }
2310                 t->init(bv, true);
2311                 restoreLyXTextState(bv, t);
2312                 if (the_locking_inset) {
2313                         inset_x = cx(bv) - top_x + drawTextXOffset;
2314                         inset_y = cy(bv) + drawTextYOffset;
2315                 }
2316                 if (bv->screen()) {
2317                         t->first_y = bv->screen()->topCursorVisible(t);
2318                 }
2319                 if (!owner()) {
2320                         updateLocal(bv, FULL, false);
2321                         // this will scroll the screen such that the cursor becomes visible
2322                         bv->updateScrollbar();
2323                 } else {
2324                         need_update = FULL;
2325                 }
2326         }
2327 }
2328
2329
2330 void InsetText::removeNewlines()
2331 {
2332         bool changed = false;
2333
2334         for (Paragraph * p = par; p; p = p->next()) {
2335                 for (int i = 0; i < p->size(); ++i) {
2336                         if (p->getChar(i) == Paragraph::META_NEWLINE) {
2337                                 changed = true;
2338                                 p->erase(i);
2339                         }
2340                 }
2341         }
2342         if (changed)
2343                 reinitLyXText();
2344 }
2345
2346
2347 bool InsetText::nodraw() const
2348 {
2349         if (the_locking_inset)
2350                 return the_locking_inset->nodraw();
2351         return UpdatableInset::nodraw();
2352 }
2353
2354
2355 int InsetText::scroll(bool recursive) const
2356 {
2357         int sx = UpdatableInset::scroll(false);
2358
2359         if (recursive && the_locking_inset)
2360                 sx += the_locking_inset->scroll(recursive);
2361
2362         return sx;
2363 }
2364
2365
2366 bool InsetText::doClearArea() const
2367 {
2368         return !locked || (need_update & (FULL|INIT));
2369 }
2370
2371
2372 void InsetText::selectAll(BufferView * bv)
2373 {
2374         getLyXText(bv)->cursorTop(bv);
2375         getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
2376         getLyXText(bv)->cursorBottom(bv);
2377         getLyXText(bv)->setSelection(bv);
2378 }
2379
2380
2381 void InsetText::clearSelection(BufferView * bv)
2382 {
2383         getLyXText(bv)->clearSelection();
2384 }
2385
2386
2387 void InsetText::clearInset(BufferView * bv, int baseline, bool & cleared) const
2388 {
2389         Painter & pain = bv->painter();
2390         int w = insetWidth;
2391         int h = insetAscent + insetDescent;
2392         int ty = baseline - insetAscent;
2393
2394         if (ty < 0) {
2395                 h += ty;
2396                 ty = 0;
2397         }
2398         if ((ty + h) > pain.paperHeight())
2399                 h = pain.paperHeight();
2400         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
2401                 w = pain.paperWidth();
2402 //      w -= TEXT_TO_INSET_OFFSET;
2403         pain.fillRectangle(top_x, ty, w+1, h+1, backgroundColor());
2404         cleared = true;
2405         need_update = FULL;
2406         frame_is_visible = false;
2407 }
2408
2409
2410 Paragraph * InsetText::getParFromID(int id) const
2411 {
2412 #if 0
2413         Paragraph * result = par;
2414         Paragraph * ires = 0;
2415         while (result && result->id() != id) {
2416                 if ((ires = result->getParFromID(id)))
2417                         return ires;
2418                 result = result->next();
2419         }
2420         return result;
2421 #else
2422         Paragraph * tmp = par;
2423         while (tmp) {
2424                 if (tmp->id() == id) {
2425                         return tmp;
2426                 }
2427                 Paragraph * tmp2 = tmp->getParFromID(id);
2428                 if (tmp2 != 0) {
2429                         return tmp2;
2430                 }
2431                 tmp = tmp->next();
2432         }
2433         return 0;
2434 #endif
2435 }
2436
2437
2438 Paragraph * InsetText::firstParagraph() const
2439 {
2440         Paragraph * result;
2441         if (the_locking_inset)
2442                 if ((result = the_locking_inset->firstParagraph()))
2443                         return result;
2444         return par;
2445 }
2446
2447
2448 Paragraph * InsetText::getFirstParagraph(int i) const
2449 {
2450         return (i == 0) ? par : 0;
2451 }
2452
2453
2454 LyXCursor const & InsetText::cursor(BufferView * bv) const
2455 {
2456                 if (the_locking_inset)
2457                                 return the_locking_inset->cursor(bv);
2458                 return getLyXText(bv)->cursor;
2459 }
2460
2461
2462 Paragraph * InsetText::paragraph() const
2463 {
2464         return par;
2465 }
2466
2467
2468 void InsetText::paragraph(Paragraph * p)
2469 {
2470         // GENERAL COMMENT: We don't have to free the old paragraphs as the
2471         // caller of this function has to take care of it. This IS important
2472         // as we could have to insert a paragraph before this one and just
2473         // link the actual to a new ones next and set it with this function
2474         // and are done!
2475         par = p;
2476         // set ourself as owner for all the paragraphs inserted!
2477         Paragraph * np = par;
2478         while (np) {
2479                 np->setInsetOwner(this);
2480                 np = np->next();
2481         }
2482         reinitLyXText();
2483         // redraw myself when asked for
2484         need_update = INIT;
2485 }
2486
2487
2488 Inset * InsetText::getInsetFromID(int id_arg) const
2489 {
2490         if (id_arg == id())
2491                 return const_cast<InsetText *>(this);
2492
2493         Paragraph * lp = par;
2494
2495         while (lp) {
2496                 for (Paragraph::inset_iterator it = lp->inset_iterator_begin(),
2497                          en = lp->inset_iterator_end();
2498                          it != en; ++it)
2499                 {
2500                         if ((*it)->id() == id_arg)
2501                                 return *it;
2502                         Inset * in = (*it)->getInsetFromID(id_arg);
2503                         if (in)
2504                                 return in;
2505                 }
2506                 lp = lp->next();
2507         }
2508         return 0;
2509 }
2510
2511
2512 string const InsetText::selectNextWordToSpellcheck(BufferView * bv, float & value) const
2513 {
2514         bool clear = false;
2515         string str;
2516
2517         if (!lt) {
2518                 lt = getLyXText(bv);
2519                 clear = true;
2520         }
2521         if (the_locking_inset) {
2522                 str = the_locking_inset->selectNextWordToSpellcheck(bv, value);
2523                 if (!str.empty()) {
2524                         value += cy(bv);
2525                         if (clear)
2526                                 lt = 0;
2527                         return str;
2528                 }
2529                 // we have to go on checking so move cusor to the next char
2530                 lt->cursor.pos(lt->cursor.pos() + 1);
2531         }
2532         str = lt->selectNextWordToSpellcheck(bv, value);
2533         if (str.empty())
2534                 bv->unlockInset(const_cast<InsetText *>(this));
2535         else
2536                 value = cy(bv);
2537         if (clear)
2538                 lt = 0;
2539         return str;
2540 }
2541
2542
2543 void InsetText::selectSelectedWord(BufferView * bv)
2544 {
2545         if (the_locking_inset) {
2546                 the_locking_inset->selectSelectedWord(bv);
2547                 return;
2548         }
2549         getLyXText(bv)->selectSelectedWord(bv);
2550         updateLocal(bv, SELECTION, false);
2551 }
2552
2553
2554 void InsetText::toggleSelection(BufferView * bv, bool kill_selection)
2555 {
2556         if (the_locking_inset) {
2557                 the_locking_inset->toggleSelection(bv, kill_selection);
2558         }
2559         bool clear = false;
2560         if (!lt) {
2561                 lt = getLyXText(bv);
2562                 clear = true;
2563         }
2564
2565         int x = top_x + TEXT_TO_INSET_OFFSET;
2566
2567         Row * row = lt->firstRow();
2568         int y_offset = top_baseline - row->ascent_of_text();
2569         int y = y_offset;
2570         while ((row != 0) && ((y+row->height()) <= 0)) {
2571                 y += row->height();
2572                 row = row->next();
2573         }
2574         if (y_offset < 0)
2575                 y_offset = y;
2576
2577         if (need_update & SELECTION)
2578                 need_update = NONE;
2579         bv->screen()->toggleSelection(lt, bv, kill_selection, y_offset, x);
2580         if (clear)
2581                 lt = 0;
2582 }
2583
2584
2585 bool InsetText::searchForward(BufferView * bv, string const & str,
2586                               bool cs, bool mw)
2587 {
2588         if (the_locking_inset) {
2589                 if (the_locking_inset->searchForward(bv, str, cs, mw))
2590                         return true;
2591                 bool clear = false;
2592                 if (!lt) {
2593                         lt = getLyXText(bv);
2594                         clear = true;
2595                 }
2596                 Paragraph * lpar = lt->cursor.par();
2597                 pos_type pos = lt->cursor.pos();
2598                 if (pos < lpar->size() - 1)
2599                         ++pos;
2600                 else {
2601                         pos = 0;
2602                         lpar = lpar->next();
2603                 }
2604                 if (!lpar) {
2605                         if (clear)
2606                                 lt = 0;
2607                         // we have to unlock ourself in this function by default!
2608                         bv->unlockInset(const_cast<InsetText *>(this));
2609                         return false;
2610                 }
2611                 lt->setCursor(bv, lpar, pos);
2612                 if (clear)
2613                         lt = 0;
2614         }
2615         if (LyXFind(bv, str, true, true, cs , mw)) {
2616                 return true;
2617         }
2618         // we have to unlock ourself in this function by default!
2619         bv->unlockInset(const_cast<InsetText *>(this));
2620         return false;
2621 }
2622
2623 bool InsetText::searchBackward(BufferView * bv, string const & str,
2624                                bool cs, bool mw)
2625 {
2626         if (the_locking_inset)
2627                 if (the_locking_inset->searchBackward(bv, str, cs, mw))
2628                         return true;
2629         if (LyXFind(bv, str, false, true, cs, mw)) {
2630                 return true;
2631         }
2632         // we have to unlock ourself in this function by default!
2633         bv->unlockInset(const_cast<InsetText *>(this));
2634         return false;
2635 }
2636
2637
2638 bool InsetText::checkInsertChar(LyXFont & font)
2639 {
2640         if (owner())
2641                 return owner()->checkInsertChar(font);
2642         return true;
2643 }
2644
2645
2646 void InsetText::collapseParagraphs(BufferParams const & bparams) const
2647 {
2648         while(par->next()) {
2649                 if (!par->isSeparator(par->size()-1))
2650                         par->insertChar(par->size()-1, ' ');
2651                 par->pasteParagraph(bparams);
2652         }
2653         reinitLyXText();
2654 }
2655
2656
2657 void InsetText::getDrawFont(LyXFont & font) const
2658 {
2659         if (!owner())
2660                 return;
2661         owner()->getDrawFont(font);
2662 }
2663
2664
2665 void InsetText::appendParagraphs(BufferParams const & bparams,
2666                                  Paragraph * newpar)
2667 {
2668         Paragraph * buf;
2669         Paragraph * tmpbuf = newpar;
2670         Paragraph * lastbuffer = buf = new Paragraph(*tmpbuf, false);
2671
2672         while (tmpbuf->next()) {
2673                 tmpbuf = tmpbuf->next();
2674                 lastbuffer->next(new Paragraph(*tmpbuf, false));
2675                 lastbuffer->next()->previous(lastbuffer);
2676                 lastbuffer = lastbuffer->next();
2677         }
2678         lastbuffer = par;
2679         while (lastbuffer->next())
2680                 lastbuffer = lastbuffer->next();
2681         if (newpar->size() && lastbuffer->size() &&
2682                 !lastbuffer->isSeparator(lastbuffer->size()-1))
2683         {
2684                 lastbuffer->insertChar(lastbuffer->size(), ' ');
2685         }
2686
2687         // make the buf exactly the same layout than our last paragraph
2688         buf->makeSameLayout(lastbuffer);
2689
2690         // paste it!
2691         lastbuffer->next(buf);
2692         buf->previous(lastbuffer);
2693         lastbuffer->pasteParagraph(bparams);
2694
2695         reinitLyXText();
2696 }