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
  47 #include "support/textutils.h"
  48 #include "support/LAssert.h"
  49 #include "support/lstrings.h"
  50 #include "support/lyxalgo.h" // lyx::count
  51
  52 #include <fstream>
  53 #include <algorithm>
  54 #include <cstdlib>
  55 //#include <csignal>
  56
  57 using std::ostream;
  58 using std::ifstream;
  59 using std::endl;
  60 using std::min;
  61 using std::max;
  62 using std::make_pair;
  63 using std::vector;
  64 using std::pair;
  65
  66 using lyx::pos_type;
  67 using lyx::textclass_type;
  68
  69 extern unsigned char getCurrentTextClass(Buffer *);
  70 extern bool math_insert_greek(BufferView *, char);
  71 extern int greek_kb_flag;
  72
  73
  74 // These functions should probably go into bufferview_funcs somehow (Jug)
  75
  76 void InsetText::saveLyXTextState(LyXText * t) const
  77 {
  78         // check if my paragraphs are still valid
  79         Paragraph * p = par;
  80         while (p) {
  81                 if (p == t->cursor.par())
  82                         break;
  83                 p = p->next();
  84         }
  85
  86         if (p && t->cursor.pos() <= p->size()) {
  87                 sstate.lpar = t->cursor.par();
  88                 sstate.pos = t->cursor.pos();
  89                 sstate.boundary = t->cursor.boundary();
  90                 sstate.selstartpar = t->selection.start.par();
  91                 sstate.selstartpos = t->selection.start.pos();
  92                 sstate.selstartboundary = t->selection.start.boundary();
  93                 sstate.selendpar = t->selection.end.par();
  94                 sstate.selendpos = t->selection.end.pos();
  95                 sstate.selendboundary = t->selection.end.boundary();
  96                 sstate.selection = t->selection.set();
  97                 sstate.mark_set = t->selection.mark();
  98                 sstate.refresh = t->refresh_row != 0;
  99         } else {
 100                 sstate.lpar = 0;
 101         }
 102 }
 103
 104 void InsetText::restoreLyXTextState(BufferView * bv, LyXText * t) const
 105 {
 106         if (sstate.lpar) {
 107                 t->selection.set(true);
 108                 /* at this point just to avoid the Delete-Empty-Paragraph
 109                  * Mechanism when setting the cursor */
 110                 t->selection.mark(sstate.mark_set);
 111                 if (sstate.selection) {
 112                         t->setCursor(bv, sstate.selstartpar, sstate.selstartpos,
 113                                      true, sstate.selstartboundary);
 114                         t->selection.cursor = t->cursor;
 115                         t->setCursor(bv, sstate.selendpar, sstate.selendpos,
 116                                      true, sstate.selendboundary);
 117                         t->setSelection(bv);
 118                         t->setCursor(bv, sstate.lpar, sstate.pos);
 119                 } else {
 120                         t->setCursor(bv, sstate.lpar, sstate.pos, true, sstate.boundary);
 121                         t->selection.cursor = t->cursor;
 122                         t->selection.set(false);
 123                 }
 124                 if (sstate.refresh) {
 125                 }
 126         }
 127 }
 128
 129
 130 InsetText::InnerCache::InnerCache(boost::shared_ptr<LyXText> t)
 131 {
 132         text = t;
 133         remove = false;
 134 }
 135
 136
 137 InsetText::InsetText(BufferParams const & bp)
 138         : UpdatableInset(), lt(0), in_update(false), do_resize(0),
 139           do_reinit(false)
 140 {
 141         par = new Paragraph;
 142         par->layout(textclasslist[bp.textclass].defaultLayoutName());
 143
 144         init();
 145 }
 146
 147
 148 InsetText::InsetText(InsetText const & in, bool same_id)
 149         : UpdatableInset(in, same_id), lt(0), in_update(false), do_resize(0),
 150           do_reinit(false)
 151 {
 152         par = 0;
 153         init(&in, same_id);
 154 }
 155
 156
 157 InsetText & InsetText::operator=(InsetText const & it)
 158 {
 159         init(&it);
 160         return * this;
 161 }
 162
 163
 164 void InsetText::init(InsetText const * ins, bool same_id)
 165 {
 166         if (ins) {
 167                 setParagraphData(ins->par, same_id);
 168                 autoBreakRows = ins->autoBreakRows;
 169                 drawFrame_ = ins->drawFrame_;
 170                 frame_color = ins->frame_color;
 171                 if (same_id)
 172                         id_ = ins->id_;
 173         } else {
 174                 Paragraph * p = par;
 175                 while (p) {
 176                         p->setInsetOwner(this);
 177                         p = p->next();
 178                 }
 179                 the_locking_inset = 0;
 180                 drawFrame_ = NEVER;
 181                 frame_color = LColor::insetframe;
 182                 autoBreakRows = false;
 183         }
 184         top_y = 0;
 185         insetAscent = 0;
 186         insetDescent = 0;
 187         insetWidth = 0;
 188         old_max_width = 0;
 189         no_selection = false;
 190         need_update = FULL;
 191         drawTextXOffset = 0;
 192         drawTextYOffset = 0;
 193         xpos = 0.0;
 194         locked = false;
 195         old_par = 0;
 196         last_drawn_width = -1;
 197         frame_is_visible = false;
 198         cached_bview = 0;
 199         sstate.lpar = 0;
 200         in_insetAllowed = false;
 201 }
 202
 203
 204 InsetText::~InsetText()
 205 {
 206         cached_bview = 0;
 207
 208         // NOTE
 209
 210         while (par) {
 211                 Paragraph * tmp = par->next();
 212                 delete par;
 213                 par = tmp;
 214         }
 215 }
 216
 217
 218 void InsetText::clear()
 219 {
 220         // This is a gross hack...
 221         string old_layout = par->layout();
 222
 223         while (par) {
 224                 Paragraph * tmp = par->next();
 225                 delete par;
 226                 par = tmp;
 227         }
 228         par = new Paragraph;
 229         par->setInsetOwner(this);
 230         par->layout(old_layout);
 231
 232         reinitLyXText();
 233         need_update = INIT;
 234 }
 235
 236
 237 Inset * InsetText::clone(Buffer const &, bool same_id) const
 238 {
 239         return new InsetText(*this, same_id);
 240 }
 241
 242
 243 void InsetText::write(Buffer const * buf, ostream & os) const
 244 {
 245         os << "Text\n";
 246         writeParagraphData(buf, os);
 247 }
 248
 249
 250 void InsetText::writeParagraphData(Buffer const * buf, ostream & os) const
 251 {
 252         par->writeFile(buf, os, buf->params, 0);
 253 }
 254
 255
 256 void InsetText::read(Buffer const * buf, LyXLex & lex)
 257 {
 258         string token;
 259         int pos = 0;
 260         Paragraph * return_par = 0;
 261         Paragraph::depth_type depth = 0;
 262         LyXFont font(LyXFont::ALL_INHERIT);
 263
 264         clear();
 265
 266         while (lex.isOK()) {
 267                 lex.nextToken();
 268                 token = lex.getString();
 269                 if (token.empty())
 270                         continue;
 271                 if (token == "\\end_inset") {
 272 #ifndef NO_COMPABILITY
 273                         const_cast<Buffer*>(buf)->insertErtContents(par, pos, false);
 274 #endif
 275                         break;
 276                 }
 277
 278                 if (const_cast<Buffer*>(buf)->
 279                         parseSingleLyXformat2Token(lex, par, return_par,
 280                                                    token, pos, depth, font)) {
 281                         // the_end read this should NEVER happen
 282                         lex.printError("\\the_end read in inset! Error in document!");
 283                         return;
 284                 }
 285         }
 286         if (!return_par)
 287                 return_par = par;
 288         par = return_par;
 289         while (return_par) {
 290                 return_par->setInsetOwner(this);
 291                 return_par = return_par->next();
 292         }
 293
 294         if (token != "\\end_inset") {
 295                 lex.printError("Missing \\end_inset at this point. "
 296                                            "Read: `$$Token'");
 297         }
 298         need_update = FULL;
 299 }
 300
 301
 302 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 303 {
 304         insetAscent = getLyXText(bv)->firstRow()->ascent_of_text() +
 305                 TEXT_TO_INSET_OFFSET;
 306         return insetAscent;
 307 }
 308
 309
 310 int InsetText::descent(BufferView * bv, LyXFont const &) const
 311 {
 312         LyXText * llt = getLyXText(bv);
 313         insetDescent = llt->height - llt->firstRow()->ascent_of_text() +
 314                 TEXT_TO_INSET_OFFSET;
 315         return insetDescent;
 316 }
 317
 318
 319 int InsetText::width(BufferView * bv, LyXFont const &) const
 320 {
 321         insetWidth = max(textWidth(bv), (int)getLyXText(bv)->width) +
 322                 (2 * TEXT_TO_INSET_OFFSET);
 323         insetWidth = max(insetWidth, 10);
 324         return insetWidth;
 325 }
 326
 327
 328 int InsetText::textWidth(BufferView * bv, bool fordraw) const
 329 {
 330         int w;
 331         if (!autoBreakRows) {
 332                 w = -1;
 333         } else {
 334                 w = getMaxWidth(bv, this);
 335         }
 336         if (fordraw) {
 337                 return max(w - (2 * TEXT_TO_INSET_OFFSET),
 338                            (int)getLyXText(bv)->width);
 339         } else if (w < 0) {
 340             return -1;
 341         }
 342         return w - (2 * TEXT_TO_INSET_OFFSET);
 343 }
 344
 345
 346 void InsetText::draw(BufferView * bv, LyXFont const & f,
 347                      int baseline, float & x, bool cleared) const
 348 {
 349         if (nodraw())
 350                 return;
 351
 352         Painter & pain = bv->painter();
 353
 354         // this is the first thing we have to ask because if the x pos
 355         // changed we have to do a complete rebreak of the text as we
 356         // may have few space to draw in. Well we should check on this too
 357         int old_x = top_x;
 358         if (top_x != int(x)) {
 359                 top_x = int(x);
 360                 topx_set = true;
 361                 int nw = getMaxWidth(bv, this);
 362                 if (nw > 0 && old_max_width != nw) {
 363                         need_update = INIT;
 364                         old_max_width = nw;
 365                         bv->text->status(bv, LyXText::CHANGED_IN_DRAW);
 366                         return;
 367                 }
 368         }
 369
 370         // call these methods so that insetWidth, insetAscent and
 371         // insetDescent have the right values.
 372         width(bv, f);
 373         ascent(bv, f);
 374         descent(bv, f);
 375
 376         // repaint the background if needed
 377         if (cleared && backgroundColor() != LColor::background) {
 378                 clearInset(bv, baseline, cleared);
 379         }
 380
 381         // no draw is necessary !!!
 382         if ((drawFrame_ == LOCKED) && !locked && !par->size()) {
 383                 top_baseline = baseline;
 384                 x += width(bv, f);
 385                 if (need_update & CLEAR_FRAME)
 386                         clearFrame(pain, cleared);
 387                 need_update = NONE;
 388                 return;
 389         }
 390
 391         xpos = x;
 392         if (!owner())
 393                 x += static_cast<float>(scroll());
 394
 395         // if top_x differs we did it already
 396         if (!cleared && (old_x == int(x))
 397             && ((need_update&(INIT|FULL)) || (top_baseline != baseline)
 398                 ||(last_drawn_width != insetWidth)))
 399         {
 400                 // Condition necessary to eliminate bug 59 attachment 37
 401                 if (baseline > 0)
 402                         clearInset(bv, baseline, cleared);
 403         }
 404
 405         if (cleared)
 406                 frame_is_visible = false;
 407
 408         if (!cleared && (need_update == NONE)) {
 409                 if (locked)
 410                         drawFrame(pain, cleared);
 411                 return;
 412         }
 413
 414         top_baseline = baseline;
 415         top_y = baseline - insetAscent;
 416
 417         if (last_drawn_width != insetWidth) {
 418                 if (!cleared)
 419                         clearInset(bv, baseline, cleared);
 420                 need_update |= FULL;
 421                 last_drawn_width = insetWidth;
 422         }
 423
 424         if (the_locking_inset && (cpar(bv) == inset_par)
 425                 && (cpos(bv) == inset_pos)) {
 426                 inset_x = cx(bv) - top_x + drawTextXOffset;
 427                 inset_y = cy(bv) + drawTextYOffset;
 428         }
 429         if (!cleared && (need_update == CURSOR)
 430             && !getLyXText(bv)->selection.set()) {
 431                 drawFrame(pain, cleared);
 432                 x += insetWidth;
 433                 need_update = NONE;
 434                 return;
 435         }
 436         bool clear = false;
 437         if (!lt) {
 438                 lt = getLyXText(bv);
 439                 clear = true;
 440         }
 441         x += TEXT_TO_INSET_OFFSET;
 442
 443         Row * row = lt->firstRow();
 444         int y_offset = baseline - row->ascent_of_text();
 445         int ph = pain.paperHeight();
 446         int first = 0;
 447         int y = y_offset;
 448         while ((row != 0) && ((y+row->height()) <= 0)) {
 449                 y += row->height();
 450                 first += row->height();
 451                 row = row->next();
 452         }
 453         if (y_offset < 0)
 454                 y_offset = y;
 455         lt->first_y = first;
 456         if (cleared || (need_update&(INIT|FULL))) {
 457                 int yf = y_offset;
 458                 y = 0;
 459                 while ((row != 0) && (yf < ph)) {
 460                         lt->getVisibleRow(bv, y+y_offset, int(x), row,
 461                                                 y+first, cleared);
 462                         y += row->height();
 463                         yf += row->height();
 464                         row = row->next();
 465                 }
 466         } else if (!locked) {
 467                 if (need_update & CURSOR) {
 468                         bv->screen()->toggleSelection(lt, bv, true, y_offset,int(x));
 469                         lt->clearSelection();
 470                         lt->selection.cursor = lt->cursor;
 471                 }
 472                 bv->screen()->update(lt, bv, y_offset, int(x));
 473         } else {
 474                 locked = false;
 475                 if (need_update & SELECTION) {
 476                         bv->screen()->toggleToggle(lt, bv, y_offset, int(x));
 477                 } else if (need_update & CURSOR) {
 478                         bv->screen()->toggleSelection(lt, bv, true, y_offset,int(x));
 479                         lt->clearSelection();
 480                         lt->selection.cursor = lt->cursor;
 481                 }
 482                 bv->screen()->update(lt, bv, y_offset, int(x));
 483                 locked = true;
 484         }
 485
 486         lt->refresh_y = 0;
 487         lt->status(bv, LyXText::UNCHANGED);
 488         if ((drawFrame_ == ALWAYS) ||
 489                 ((cleared || (need_update != CURSOR_PAR)) &&
 490                  (drawFrame_ == LOCKED) && locked))
 491         {
 492                 drawFrame(pain, cleared);
 493         } else if (need_update & CLEAR_FRAME) {
 494                 clearFrame(pain, cleared);
 495         }
 496
 497         x += insetWidth - TEXT_TO_INSET_OFFSET;
 498
 499         if (bv->text->status() == LyXText::CHANGED_IN_DRAW) {
 500                 need_update |= FULL;
 501         } else if (need_update != INIT) {
 502                 need_update = NONE;
 503         }
 504         if (clear)
 505                 lt = 0;
 506 }
 507
 508
 509 void InsetText::drawFrame(Painter & pain, bool cleared) const
 510 {
 511         static int const ttoD2 = TEXT_TO_INSET_OFFSET / 2;
 512         if (!frame_is_visible || cleared) {
 513                 frame_x = top_x + ttoD2;
 514                 frame_y = top_baseline - insetAscent + ttoD2;
 515                 frame_w = insetWidth - TEXT_TO_INSET_OFFSET;
 516                 frame_h = insetAscent + insetDescent - TEXT_TO_INSET_OFFSET;
 517                 pain.rectangle(frame_x, frame_y, frame_w, frame_h,
 518                                frame_color);
 519                 frame_is_visible = true;
 520         }
 521 }
 522
 523
 524 void InsetText::clearFrame(Painter & pain, bool cleared) const
 525 {
 526         if (frame_is_visible) {
 527                 if (!cleared) {
 528                         pain.rectangle(frame_x, frame_y, frame_w, frame_h,
 529                                        backgroundColor());
 530                 }
 531                 frame_is_visible = false;
 532         }
 533 }
 534
 535
 536 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 537 {
 538         if (in_update) {
 539                 if (reinit && owner()) {
 540                         reinitLyXText();
 541                         owner()->update(bv, font, true);
 542                 }
 543                 return;
 544         }
 545         in_update = true;
 546         if (reinit || need_update == INIT) {
 547                 need_update = FULL;
 548                 // we should put this call where we set need_update to INIT!
 549                 reinitLyXText();
 550                 if (owner())
 551                         owner()->update(bv, font, true);
 552                 in_update = false;
 553                 return;
 554         }
 555         if (the_locking_inset) {
 556                 inset_x = cx(bv) - top_x + drawTextXOffset;
 557                 inset_y = cy(bv) + drawTextYOffset;
 558                 the_locking_inset->update(bv, font, reinit);
 559         }
 560
 561         bool clear = false;
 562         if (!lt) {
 563                 lt = getLyXText(bv);
 564                 clear = true;
 565         }
 566         if ((need_update & CURSOR_PAR) && (lt->status() == LyXText::UNCHANGED) &&
 567                 the_locking_inset)
 568         {
 569                 lt->updateInset(bv, the_locking_inset);
 570         }
 571         if (lt->status() == LyXText::NEED_MORE_REFRESH)
 572                 need_update |= FULL;
 573         if (clear)
 574                 lt = 0;
 575         in_update = false;
 576 }
 577
 578
 579 void InsetText::setUpdateStatus(BufferView * bv, int what) const
 580 {
 581         // this does nothing dangerous so use only a localized buffer
 582         LyXText * llt = getLyXText(bv);
 583
 584         need_update |= what;
 585         // we have to redraw us full if our LyXText NEEDS_MORE_REFRES or
 586         // if we don't break row so that we only have one row to update!
 587         if ((llt->status() == LyXText::NEED_MORE_REFRESH) ||
 588             (!autoBreakRows &&
 589              (llt->status() == LyXText::NEED_VERY_LITTLE_REFRESH)))
 590         {
 591                 need_update |= FULL;
 592         } else if (llt->status() == LyXText::NEED_VERY_LITTLE_REFRESH) {
 593                 need_update |= CURSOR_PAR;
 594         }
 595
 596         // this to not draw a selection when we redraw all of it!
 597         if (need_update & CURSOR && !(need_update & SELECTION)) {
 598                 if (llt->selection.set())
 599                         need_update = FULL;
 600                 llt->clearSelection();
 601         }
 602 }
 603
 604
 605 void InsetText::updateLocal(BufferView * bv, int what, bool mark_dirty) const
 606 {
 607         if (!autoBreakRows && par->next())
 608                 collapseParagraphs(bv->buffer()->params);
 609         bool clear = false;
 610         if (!lt) {
 611                 lt = getLyXText(bv);
 612                 clear = true;
 613         }
 614         lt->fullRebreak(bv);
 615         setUpdateStatus(bv, what);
 616         bool flag = (((need_update != CURSOR) && (need_update != NONE)) ||
 617                      (lt->status() != LyXText::UNCHANGED) || lt->selection.set());
 618         if (!lt->selection.set())
 619                 lt->selection.cursor = lt->cursor;
 620         if (clear)
 621                 lt = 0;
 622         if (flag)
 623                 bv->updateInset(const_cast<InsetText *>(this), mark_dirty);
 624         else
 625                 bv->fitCursor();
 626
 627         if (need_update == CURSOR)
 628                 need_update = NONE;
 629         bv->owner()->showState();
 630         bv->owner()->updateMenubar();
 631         bv->owner()->updateToolbar();
 632         if (old_par != cpar(bv)) {
 633                 bv->owner()->setLayout(cpar(bv)->layout());
 634                 old_par = cpar(bv);
 635         }
 636 }
 637
 638
 639 string const InsetText::editMessage() const
 640 {
 641         return _("Opened Text Inset");
 642 }
 643
 644
 645 void InsetText::edit(BufferView * bv, int x, int y, unsigned int button)
 646 {
 647         UpdatableInset::edit(bv, x, y, button);
 648
 649         if (!bv->lockInset(this)) {
 650                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 651                 return;
 652         }
 653         locked = true;
 654         the_locking_inset = 0;
 655         inset_pos = inset_x = inset_y = 0;
 656         inset_boundary = false;
 657         inset_par = 0;
 658         old_par = 0;
 659         int tmp_y = (y < 0) ? 0 : y;
 660         bool clear = false;
 661         if (!lt) {
 662                 lt = getLyXText(bv);
 663                 clear = true;
 664         }
 665         if (!checkAndActivateInset(bv, x, tmp_y, button))
 666                 lt->setCursorFromCoordinates(bv, x - drawTextXOffset,
 667                                             y + insetAscent);
 668         lt->clearSelection();
 669         finishUndo();
 670         // If the inset is empty set the language of the current font to the
 671         // language to the surronding text (if different).
 672         if (par->size() == 0 && !par->next() &&
 673                 bv->getParentLanguage(this) != lt->current_font.language())
 674         {
 675                 LyXFont font(LyXFont::ALL_IGNORE);
 676                 font.setLanguage(bv->getParentLanguage(this));
 677                 setFont(bv, font, false);
 678         }
 679         showInsetCursor(bv);
 680         if (clear)
 681                 lt = 0;
 682
 683         int code = CURSOR;
 684         if (drawFrame_ == LOCKED)
 685                 code = CURSOR|DRAW_FRAME;
 686         updateLocal(bv, code, false);
 687 }
 688
 689
 690 void InsetText::edit(BufferView * bv, bool front)
 691 {
 692         UpdatableInset::edit(bv, front);
 693
 694         if (!bv->lockInset(this)) {
 695                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 696                 return;
 697         }
 698         locked = true;
 699         the_locking_inset = 0;
 700         inset_pos = inset_x = inset_y = 0;
 701         inset_boundary = false;
 702         inset_par = 0;
 703         old_par = 0;
 704         bool clear = false;
 705         if (!lt) {
 706                 lt = getLyXText(bv);
 707                 clear = true;
 708         }
 709         if (front)
 710                 lt->setCursor(bv, par, 0);
 711         else {
 712                 Paragraph * p = par;
 713                 while (p->next())
 714                         p = p->next();
 715 //              int const pos = (p->size() ? p->size()-1 : p->size());
 716                 lt->setCursor(bv, p, p->size());
 717         }
 718         lt->clearSelection();
 719         finishUndo();
 720         // If the inset is empty set the language of the current font to the
 721         // language to the surronding text (if different).
 722         if (par->size() == 0 && !par->next() &&
 723                 bv->getParentLanguage(this) != lt->current_font.language()) {
 724                 LyXFont font(LyXFont::ALL_IGNORE);
 725                 font.setLanguage(bv->getParentLanguage(this));
 726                 setFont(bv, font, false);
 727         }
 728         showInsetCursor(bv);
 729         if (clear)
 730                 lt = 0;
 731         int code = CURSOR;
 732         if (drawFrame_ == LOCKED)
 733                 code = CURSOR|DRAW_FRAME;
 734         updateLocal(bv, code, false);
 735 }
 736
 737
 738 void InsetText::insetUnlock(BufferView * bv)
 739 {
 740         if (the_locking_inset) {
 741                 the_locking_inset->insetUnlock(bv);
 742                 the_locking_inset = 0;
 743         }
 744         hideInsetCursor(bv);
 745         no_selection = false;
 746         locked = false;
 747         int code;
 748         if (drawFrame_ == LOCKED)
 749                 code = CURSOR|CLEAR_FRAME;
 750         else
 751                 code = CURSOR;
 752         bool clear = false;
 753         if (!lt) {
 754                 lt = getLyXText(bv);
 755                 clear = true;
 756         }
 757         if (lt->selection.set()) {
 758                 lt->clearSelection();
 759                 code = FULL;
 760         } else if (owner()) {
 761                 bv->owner()->setLayout(owner()->getLyXText(bv)
 762                                        ->cursor.par()->layout());
 763         } else
 764                 bv->owner()->setLayout(bv->text->cursor.par()->layout());
 765         // hack for deleteEmptyParMech
 766         if (par->size()) {
 767                 lt->setCursor(bv, par, 0);
 768         } else if (par->next()) {
 769                 lt->setCursor(bv, par->next(), 0);
 770         }
 771         if (clear)
 772                 lt = 0;
 773         updateLocal(bv, code, false);
 774 }
 775
 776 void InsetText::lockInset(BufferView * bv, UpdatableInset * inset)
 777 {
 778         the_locking_inset = inset;
 779         inset_x = cx(bv) - top_x + drawTextXOffset;
 780         inset_y = cy(bv) + drawTextYOffset;
 781         inset_pos = cpos(bv);
 782         inset_par = cpar(bv);
 783         inset_boundary = cboundary(bv);
 784         updateLocal(bv, CURSOR, false);
 785 }
 786
 787
 788 bool InsetText::lockInsetInInset(BufferView * bv, UpdatableInset * inset)
 789 {
 790         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 791                               << inset << "): ";
 792         if (!inset)
 793                 return false;
 794         if (!the_locking_inset) {
 795                 Paragraph * p = par;
 796                 int const id = inset->id();
 797                 while(p) {
 798                         Paragraph::inset_iterator it =
 799                                 p->inset_iterator_begin();
 800                         Paragraph::inset_iterator const end =
 801                                 p->inset_iterator_end();
 802                         for (; it != end; ++it) {
 803                                 if ((*it) == inset) {
 804                                         getLyXText(bv)->setCursorIntern(bv, p, it.getPos());
 805                                         lockInset(bv, inset);
 806                                         return true;
 807                                 }
 808                                 if ((*it)->getInsetFromID(id)) {
 809                                         getLyXText(bv)->setCursorIntern(bv, p, it.getPos());
 810                                         (*it)->edit(bv);
 811                                         return the_locking_inset->lockInsetInInset(bv, inset);
 812                                 }
 813                         }
 814                         p = p->next();
 815                 }
 816                 return false;
 817         }
 818         if (inset == cpar(bv)->getInset(cpos(bv))) {
 819                 lyxerr[Debug::INSETS] << "OK" << endl;
 820                 lockInset(bv, inset);
 821                 return true;
 822         } else if (the_locking_inset && (the_locking_inset == inset)) {
 823                 if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 824                         lyxerr[Debug::INSETS] << "OK" << endl;
 825                         inset_x = cx(bv) - top_x + drawTextXOffset;
 826                         inset_y = cy(bv) + drawTextYOffset;
 827                 } else {
 828                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 829                 }
 830         } else if (the_locking_inset) {
 831                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 832                 return the_locking_inset->lockInsetInInset(bv, inset);
 833         }
 834         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 835         return false;
 836 }
 837
 838
 839 bool InsetText::unlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 840                                    bool lr)
 841 {
 842         if (!the_locking_inset)
 843                 return false;
 844         if (the_locking_inset == inset) {
 845                 the_locking_inset->insetUnlock(bv);
 846                 getLyXText(bv)->updateInset(bv, inset);
 847                 the_locking_inset = 0;
 848                 if (lr)
 849                         moveRight(bv, false);
 850                 old_par = 0; // force layout setting
 851                 if (scroll())
 852                         scroll(bv, 0.0F);
 853                 else
 854                         updateLocal(bv, CURSOR, false);
 855                 return true;
 856         }
 857         return the_locking_inset->unlockInsetInInset(bv, inset, lr);
 858 }
 859
 860
 861 bool InsetText::updateInsetInInset(BufferView * bv, Inset * inset)
 862 {
 863         if (!autoBreakRows && par->next())
 864                 collapseParagraphs(bv->buffer()->params);
 865         if (inset == this)
 866                 return true;
 867         bool clear = false;
 868         if (!lt) {
 869                 lt = getLyXText(bv);
 870                 clear = true;
 871         }
 872         if (inset->owner() != this) {
 873                 int ustat = CURSOR_PAR;
 874                 bool found = false;
 875                 UpdatableInset * tl_inset = the_locking_inset;
 876                 if (tl_inset)
 877                         found = tl_inset->updateInsetInInset(bv, inset);
 878                 if (!found) {
 879                         tl_inset = static_cast<UpdatableInset *>(inset);
 880                         while(tl_inset->owner() && tl_inset->owner() != this)
 881                                 tl_inset = static_cast<UpdatableInset *>(tl_inset->owner());
 882                         if (!tl_inset->owner())
 883                                 return false;
 884                         found = tl_inset->updateInsetInInset(bv, inset);
 885                         ustat = FULL;
 886                 }
 887                 if (found)
 888                         lt->updateInset(bv, tl_inset);
 889                 if (clear)
 890                         lt = 0;
 891                 if (found)
 892                         setUpdateStatus(bv, ustat);
 893                 return found;
 894         }
 895         bool found = lt->updateInset(bv, inset);
 896         if (clear)
 897                 lt = 0;
 898         if (found) {
 899                 setUpdateStatus(bv, CURSOR_PAR);
 900                 if (the_locking_inset &&
 901                     cpar(bv) == inset_par && cpos(bv) == inset_pos)
 902                 {
 903                         inset_x = cx(bv) - top_x + drawTextXOffset;
 904                         inset_y = cy(bv) + drawTextYOffset;
 905                 }
 906         }
 907         return found;
 908 }
 909
 910
 911 void InsetText::insetButtonPress(BufferView * bv, int x, int y, int button)
 912 {
 913         no_selection = true;
 914
 915         // use this to check mouse motion for selection!
 916         mouse_x = x;
 917         mouse_y = y;
 918
 919         int tmp_x = x - drawTextXOffset;
 920         int tmp_y = y + insetAscent - getLyXText(bv)->first_y;
 921         Inset * inset = bv->checkInsetHit(getLyXText(bv), tmp_x, tmp_y);
 922
 923         hideInsetCursor(bv);
 924         if (the_locking_inset) {
 925                 if (the_locking_inset == inset) {
 926                         the_locking_inset->insetButtonPress(bv,
 927                                                             x - inset_x,
 928                                                             y - inset_y,
 929                                                             button);
 930                         no_selection = false;
 931                         return;
 932                 } else if (inset) {
 933                         // otherwise unlock the_locking_inset and lock the new inset
 934                         the_locking_inset->insetUnlock(bv);
 935                         inset_x = cx(bv) - top_x + drawTextXOffset;
 936                         inset_y = cy(bv) + drawTextYOffset;
 937                         the_locking_inset = 0;
 938                         inset->insetButtonPress(bv, x - inset_x,
 939                                                 y - inset_y, button);
 940 //                      inset->edit(bv, x - inset_x, y - inset_y, button);
 941                         if (the_locking_inset)
 942                                 updateLocal(bv, CURSOR, false);
 943                         no_selection = false;
 944                         return;
 945                 }
 946                 // otherwise only unlock the_locking_inset
 947                 the_locking_inset->insetUnlock(bv);
 948                 the_locking_inset = 0;
 949         }
 950         if (bv->theLockingInset()) {
 951                 if (isHighlyEditableInset(inset)) {
 952                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 953                         inset_x = cx(bv) - top_x + drawTextXOffset;
 954                         inset_y = cy(bv) + drawTextYOffset;
 955                         inset_pos = cpos(bv);
 956                         inset_par = cpar(bv);
 957                         inset_boundary = cboundary(bv);
 958                         the_locking_inset = uinset;
 959                         uinset->insetButtonPress(bv, x - inset_x, y - inset_y,
 960                                                  button);
 961                         uinset->edit(bv, x - inset_x, y - inset_y, 0);
 962                         if (the_locking_inset)
 963                                 updateLocal(bv, CURSOR, false);
 964                         no_selection = false;
 965                         return;
 966                 }
 967         }
 968         if (!inset) { // && (button == 2)) {
 969                 bool paste_internally = false;
 970                 if ((button == 2) && getLyXText(bv)->selection.set()) {
 971                         localDispatch(bv, LFUN_COPY, "");
 972                         paste_internally = true;
 973                 }
 974                 bool clear = false;
 975                 if (!lt) {
 976                         lt = getLyXText(bv);
 977                         clear = true;
 978                 }
 979
 980                 lt->setCursorFromCoordinates(bv, x - drawTextXOffset,
 981                                              y + insetAscent);
 982                 // set the selection cursor!
 983                 lt->selection.cursor = lt->cursor;
 984                 lt->cursor.x_fix(lt->cursor.x());
 985
 986                 if (lt->selection.set()) {
 987                         lt->clearSelection();
 988                         if (clear)
 989                                 lt = 0;
 990                         updateLocal(bv, FULL, false);
 991                 } else {
 992                         lt->clearSelection();
 993                         if (clear)
 994                                 lt = 0;
 995                         updateLocal(bv, CURSOR, false);
 996                 }
 997                 bv->owner()->setLayout(cpar(bv)->layout());
 998                 old_par = cpar(bv);
 999                 // Insert primary selection with middle mouse
1000                 // if there is a local selection in the current buffer,
1001                 // insert this
1002                 if (button == 2) {
1003                         if (paste_internally)
1004                                 localDispatch(bv, LFUN_PASTE, "");
1005                         else
1006                                 localDispatch(bv, LFUN_PASTESELECTION,
1007                                               "paragraph");
1008                 }
1009         } else {
1010                 getLyXText(bv)->clearSelection();
1011         }
1012         showInsetCursor(bv);
1013         no_selection = false;
1014 }
1015
1016
1017 bool InsetText::insetButtonRelease(BufferView * bv, int x, int y, int button)
1018 {
1019         if (the_locking_inset) {
1020                 return the_locking_inset->insetButtonRelease(bv,
1021                                                              x - inset_x, y - inset_y,
1022                                                              button);
1023         }
1024         int tmp_x = x - drawTextXOffset;
1025         int tmp_y = y + insetAscent - getLyXText(bv)->first_y;
1026         Inset * inset = bv->checkInsetHit(getLyXText(bv), tmp_x, tmp_y);
1027         bool ret = false;
1028         if (inset) {
1029                 if (isHighlyEditableInset(inset)) {
1030                         ret = inset->insetButtonRelease(bv, x - inset_x,
1031                                                         y - inset_y, button);
1032                 } else {
1033                         inset_x = cx(bv) - top_x + drawTextXOffset;
1034                         inset_y = cy(bv) + drawTextYOffset;
1035                         ret = inset->insetButtonRelease(bv, x - inset_x,
1036                                                         y - inset_y, button);
1037                         inset->edit(bv, x - inset_x,
1038                                     y - inset_y, button);
1039                 }
1040                 updateLocal(bv, CURSOR_PAR, false);
1041         }
1042         return ret;
1043 }
1044
1045
1046 void InsetText::insetMotionNotify(BufferView * bv, int x, int y, int state)
1047 {
1048         if (no_selection || ((mouse_x == x) && (mouse_y == y)))
1049                 return;
1050         if (the_locking_inset) {
1051                 the_locking_inset->insetMotionNotify(bv, x - inset_x,
1052                                                      y - inset_y,state);
1053                 return;
1054         }
1055         bool clear = false;
1056         if (!lt) {
1057                 lt = getLyXText(bv);
1058                 clear = true;
1059         }
1060         hideInsetCursor(bv);
1061         LyXCursor cur = lt->cursor;
1062         lt->setCursorFromCoordinates(bv, x - drawTextXOffset, y + insetAscent);
1063         if (cur == lt->cursor) {
1064                 if (clear)
1065                         lt = 0;
1066                 return;
1067         }
1068         lt->setSelection(bv);
1069         bool flag = (lt->toggle_cursor.par() != lt->toggle_end_cursor.par() ||
1070                                  lt->toggle_cursor.pos() != lt->toggle_end_cursor.pos());
1071         if (clear)
1072                 lt = 0;
1073         if (flag) {
1074                 updateLocal(bv, SELECTION, false);
1075         }
1076         showInsetCursor(bv);
1077 }
1078
1079
1080 void InsetText::insetKeyPress(XKeyEvent * xke)
1081 {
1082         if (the_locking_inset) {
1083                 the_locking_inset->insetKeyPress(xke);
1084                 return;
1085         }
1086 }
1087
1088
1089 UpdatableInset::RESULT
1090 InsetText::localDispatch(BufferView * bv,
1091                          kb_action action, string const & arg)
1092 {
1093         bool was_empty = par->size() == 0 && !par->next();
1094         no_selection = false;
1095         UpdatableInset::RESULT
1096                 result= UpdatableInset::localDispatch(bv, action, arg);
1097         if (result != UNDISPATCHED) {
1098                 return DISPATCHED;
1099         }
1100
1101         result = DISPATCHED;
1102         if ((action < 0) && arg.empty())
1103                 return FINISHED;
1104
1105         if (the_locking_inset) {
1106                 result = the_locking_inset->localDispatch(bv, action, arg);
1107                 if (result == DISPATCHED_NOUPDATE)
1108                         return result;
1109                 else if (result == DISPATCHED) {
1110                         updateLocal(bv, CURSOR_PAR, false);
1111                         return result;
1112                 } else if (result >= FINISHED) {
1113                         switch (result) {
1114                         case FINISHED_RIGHT:
1115                                 moveRightIntern(bv, false, false);
1116                                 result = DISPATCHED;
1117                                 break;
1118                         case FINISHED_UP:
1119                                 if ((result = moveUp(bv)) >= FINISHED) {
1120                                         updateLocal(bv, CURSOR, false);
1121                                         bv->unlockInset(this);
1122                                 }
1123                                 break;
1124                         case FINISHED_DOWN:
1125                                 if ((result = moveDown(bv)) >= FINISHED) {
1126                                         updateLocal(bv, CURSOR, false);
1127                                         bv->unlockInset(this);
1128                                 }
1129                                 break;
1130                         default:
1131                                 result = DISPATCHED;
1132                                 break;
1133                         }
1134                         the_locking_inset = 0;
1135 #ifdef WITH_WARNINGS
1136 #warning I changed this to always return Dispatched maybe it is wrong (20011001 Jug)
1137 #endif
1138                         return result;
1139                 }
1140         }
1141         hideInsetCursor(bv);
1142         bool clear = false;
1143         if (!lt) {
1144                 lt = getLyXText(bv);
1145                 clear = true;
1146         }
1147         int updwhat = 0;
1148         int updflag = false;
1149         switch (action) {
1150         // Normal chars
1151         case LFUN_SELFINSERT:
1152                 if (bv->buffer()->isReadonly()) {
1153 //          setErrorMessage(N_("Document is read only"));
1154                         break;
1155                 }
1156                 if (!arg.empty()) {
1157                         /* Automatically delete the currently selected
1158                          * text and replace it with what is being
1159                          * typed in now. Depends on lyxrc settings
1160                          * "auto_region_delete", which defaults to
1161                          * true (on). */
1162
1163                         setUndo(bv, Undo::INSERT,
1164                                 lt->cursor.par(), lt->cursor.par()->next());
1165                         bv->setState();
1166                         if (lyxrc.auto_region_delete) {
1167                                 if (lt->selection.set()) {
1168                                         lt->cutSelection(bv, false);
1169                                 }
1170                         }
1171                         lt->clearSelection();
1172                         for (string::size_type i = 0; i < arg.length(); ++i) {
1173                                 bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], lt);
1174                         }
1175                 }
1176                 lt->selection.cursor = lt->cursor;
1177                 updwhat = CURSOR_PAR;
1178                 updflag = true;
1179                 result = DISPATCHED_NOUPDATE;
1180                 break;
1181                 // --- Cursor Movements -----------------------------------
1182         case LFUN_RIGHTSEL:
1183                 finishUndo();
1184                 moveRight(bv, false, true);
1185                 lt->setSelection(bv);
1186                 updwhat = SELECTION;
1187                 break;
1188         case LFUN_RIGHT:
1189                 result = moveRight(bv);
1190                 finishUndo();
1191                 updwhat = CURSOR;
1192                 break;
1193         case LFUN_LEFTSEL:
1194                 finishUndo();
1195                 moveLeft(bv, false, true);
1196                 lt->setSelection(bv);
1197                 updwhat = SELECTION;
1198                 break;
1199         case LFUN_LEFT:
1200                 finishUndo();
1201                 result = moveLeft(bv);
1202                 updwhat = CURSOR;
1203                 break;
1204         case LFUN_DOWNSEL:
1205                 finishUndo();
1206                 moveDown(bv);
1207                 lt->setSelection(bv);
1208                 updwhat = SELECTION;
1209                 break;
1210         case LFUN_DOWN:
1211                 finishUndo();
1212                 result = moveDown(bv);
1213                 updwhat = CURSOR;
1214                 break;
1215         case LFUN_UPSEL:
1216                 finishUndo();
1217                 moveUp(bv);
1218                 lt->setSelection(bv);
1219                 updwhat = SELECTION;
1220                 break;
1221         case LFUN_UP:
1222                 finishUndo();
1223                 result = moveUp(bv);
1224                 updwhat = CURSOR;
1225                 break;
1226         case LFUN_HOME:
1227                 finishUndo();
1228                 lt->cursorHome(bv);
1229                 updwhat = CURSOR;
1230                 break;
1231         case LFUN_END:
1232                 lt->cursorEnd(bv);
1233                 updwhat = CURSOR;
1234                 break;
1235         case LFUN_BACKSPACE: {
1236                 setUndo(bv, Undo::DELETE,
1237                         lt->cursor.par(), lt->cursor.par()->next());
1238                 if (lt->selection.set())
1239                         lt->cutSelection(bv);
1240                 else
1241                         lt->backspace(bv);
1242                 updwhat = CURSOR_PAR;
1243                 updflag = true;
1244         }
1245         break;
1246
1247         case LFUN_DELETE: {
1248                 setUndo(bv, Undo::DELETE,
1249                         lt->cursor.par(), lt->cursor.par()->next());
1250                 if (lt->selection.set()) {
1251                         lt->cutSelection(bv);
1252                 } else {
1253                         lt->Delete(bv);
1254                 }
1255                 updwhat = CURSOR_PAR;
1256                 updflag = true;
1257         }
1258         break;
1259
1260         case LFUN_CUT: {
1261                 setUndo(bv, Undo::DELETE,
1262                         lt->cursor.par(), lt->cursor.par()->next());
1263                 lt->cutSelection(bv);
1264                 updwhat = CURSOR_PAR;
1265                 updflag = true;
1266         }
1267         break;
1268
1269         case LFUN_COPY:
1270                 finishUndo();
1271                 lt->copySelection(bv);
1272                 updwhat = CURSOR_PAR;
1273                 break;
1274         case LFUN_PASTESELECTION:
1275         {
1276                 string const clip(bv->getClipboard());
1277
1278                 if (clip.empty())
1279                         break;
1280                 if (arg == "paragraph") {
1281                         lt->insertStringAsParagraphs(bv, clip);
1282                 } else {
1283                         lt->insertStringAsLines(bv, clip);
1284                 }
1285                 updwhat = CURSOR_PAR;
1286                 updflag = true;
1287                 break;
1288         }
1289         case LFUN_PASTE: {
1290                 if (!autoBreakRows) {
1291
1292                         if (CutAndPaste::nrOfParagraphs() > 1) {
1293                                 Alert::alert(_("Impossible operation"),
1294                                                    _("Cannot include more than one paragraph!"),
1295                                                    _("Sorry."));
1296                                 break;
1297                         }
1298                 }
1299                 setUndo(bv, Undo::INSERT,
1300                         lt->cursor.par(), lt->cursor.par()->next());
1301                 lt->pasteSelection(bv);
1302                 updwhat = CURSOR_PAR;
1303                 updflag = true;
1304         }
1305         break;
1306
1307         case LFUN_BREAKPARAGRAPH:
1308                 if (!autoBreakRows) {
1309                         result = DISPATCHED;
1310                         break;
1311                 }
1312                 lt->breakParagraph(bv, 0);
1313                 updwhat = FULL;
1314                 updflag = true;
1315                 break;
1316         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1317                 if (!autoBreakRows) {
1318                         result = DISPATCHED;
1319                         break;
1320                 }
1321                 lt->breakParagraph(bv, 1);
1322                 updwhat = FULL;
1323                 updflag = true;
1324                 break;
1325
1326         case LFUN_BREAKLINE: {
1327                 if (!autoBreakRows) {
1328                         result = DISPATCHED;
1329                         break;
1330                 }
1331                 setUndo(bv, Undo::INSERT,
1332                         lt->cursor.par(), lt->cursor.par()->next());
1333                 lt->insertChar(bv, Paragraph::META_NEWLINE);
1334                 updwhat = CURSOR_PAR;
1335                 updflag = true;
1336         }
1337         break;
1338
1339         case LFUN_LAYOUT:
1340                 // do not set layouts on non breakable textinsets
1341                 if (autoBreakRows) {
1342                         string cur_layout = cpar(bv)->layout();
1343
1344                         // Derive layout number from given argument (string)
1345                         // and current buffer's textclass (number). */
1346                         textclass_type tclass = bv->buffer()->params.textclass;
1347                         string layout = arg;
1348                         bool hasLayout = textclasslist[tclass].hasLayout(layout);
1349
1350                         // If the entry is obsolete, use the new one instead.
1351                         if (hasLayout) {
1352                                 string const & obs =
1353                                         textclasslist[tclass][layout].
1354                                         obsoleted_by();
1355                                 if (!obs.empty())
1356                                         layout = obs;
1357                         }
1358
1359                         // see if we found the layout number:
1360                         if (!hasLayout) {
1361                                 string const msg = string(N_("Layout ")) + arg + N_(" not known");
1362                                 bv->owner()->getLyXFunc()->dispatch(LFUN_MESSAGE, msg);
1363                                 break;
1364                         }
1365
1366                         if (cur_layout != layout) {
1367                                 cur_layout = layout;
1368                                 lt->setLayout(bv, layout);
1369                                 bv->owner()->setLayout(cpar(bv)->layout());
1370                                 updwhat = CURSOR_PAR;
1371                                 updflag = true;
1372                         }
1373                 } else {
1374                         // reset the layout box
1375                         bv->owner()->setLayout(cpar(bv)->layout());
1376                 }
1377                 break;
1378         case LFUN_PARAGRAPH_SPACING:
1379                 // This one is absolutely not working. When fiddling with this
1380                 // it also seems to me that the paragraphs inside the insettext
1381                 // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1382         {
1383                 Paragraph * par = lt->cursor.par();
1384                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
1385                 float cur_value = 1.0;
1386                 if (cur_spacing == Spacing::Other) {
1387                         cur_value = par->params().spacing().getValue();
1388                 }
1389
1390                 istringstream istr(arg.c_str());
1391                 string tmp;
1392                 istr >> tmp;
1393                 Spacing::Space new_spacing = cur_spacing;
1394                 float new_value = cur_value;
1395                 if (tmp.empty()) {
1396                         lyxerr << "Missing argument to `paragraph-spacing'"
1397                                    << endl;
1398                 } else if (tmp == "single") {
1399                         new_spacing = Spacing::Single;
1400                 } else if (tmp == "onehalf") {
1401                         new_spacing = Spacing::Onehalf;
1402                 } else if (tmp == "double") {
1403                         new_spacing = Spacing::Double;
1404                 } else if (tmp == "other") {
1405                         new_spacing = Spacing::Other;
1406                         float tmpval = 0.0;
1407                         istr >> tmpval;
1408                         lyxerr << "new_value = " << tmpval << endl;
1409                         if (tmpval != 0.0)
1410                                 new_value = tmpval;
1411                 } else if (tmp == "default") {
1412                         new_spacing = Spacing::Default;
1413                 } else {
1414                         lyxerr << _("Unknown spacing argument: ")
1415                                    << arg << endl;
1416                 }
1417                 if (cur_spacing != new_spacing || cur_value != new_value) {
1418                         par->params().spacing(Spacing(new_spacing, new_value));
1419                         updwhat = CURSOR_PAR;
1420                         updflag = true;
1421                 }
1422         }
1423         break;
1424
1425         default:
1426                 if (!bv->Dispatch(action, arg))
1427                         result = UNDISPATCHED;
1428                 break;
1429         }
1430
1431         if (clear)
1432                 lt = 0;
1433         if (updwhat > 0)
1434                 updateLocal(bv, updwhat, updflag);
1435         /// If the action has deleted all text in the inset, we need to change the
1436         // language to the language of the surronding text.
1437         if (!was_empty && par->size() == 0 && !par->next()) {
1438                 LyXFont font(LyXFont::ALL_IGNORE);
1439                 font.setLanguage(bv->getParentLanguage(this));
1440                 setFont(bv, font, false);
1441         }
1442
1443         if (result < FINISHED) {
1444                 showInsetCursor(bv);
1445         } else
1446                 bv->unlockInset(this);
1447         return result;
1448 }
1449
1450
1451 int InsetText::latex(Buffer const * buf, ostream & os, bool, bool) const
1452 {
1453         TexRow texrow;
1454         buf->latexParagraphs(os, par, 0, texrow);
1455         return texrow.rows();
1456 }
1457
1458
1459 int InsetText::ascii(Buffer const * buf, ostream & os, int linelen) const
1460 {
1461         Paragraph * p = par;
1462         unsigned int lines = 0;
1463
1464         while (p) {
1465                 string const tmp = buf->asciiParagraph(p, linelen, p->previous()==0);
1466                 lines += lyx::count(tmp.begin(), tmp.end(), '\n');
1467                 os << tmp;
1468                 p = p->next();
1469         }
1470         return lines;
1471 }
1472
1473
1474 int InsetText::docbook(Buffer const * buf, ostream & os) const
1475 {
1476         Paragraph * p = par;
1477         unsigned int lines = 0;
1478
1479         vector<string> environment_stack(10);
1480         vector<string> environment_inner(10);
1481
1482         int const command_depth = 0;
1483         string item_name;
1484
1485         Paragraph::depth_type depth = 0; // paragraph depth
1486
1487         while (p) {
1488                 string sgmlparam;
1489                 int desc_on = 0; // description mode
1490
1491                 LyXLayout const & style =
1492                         textclasslist[buf->params.textclass][p->layout()];
1493
1494                 // environment tag closing
1495                 for (; depth > p->params().depth(); --depth) {
1496                         if (environment_inner[depth] != "!-- --") {
1497                                 item_name = "listitem";
1498                                 buf->sgmlCloseTag(os, command_depth + depth,
1499                                              item_name);
1500                                 if (environment_inner[depth] == "varlistentry")
1501                                         buf->sgmlCloseTag(os, depth+command_depth,
1502                                                      environment_inner[depth]);
1503                         }
1504                         buf->sgmlCloseTag(os, depth + command_depth,
1505                                      environment_stack[depth]);
1506                         environment_stack[depth].erase();
1507                         environment_inner[depth].erase();
1508                 }
1509
1510                 if (depth == p->params().depth()
1511                    && environment_stack[depth] != style.latexname()
1512                    && !environment_stack[depth].empty()) {
1513                         if (environment_inner[depth] != "!-- --") {
1514                                 item_name= "listitem";
1515                                 buf->sgmlCloseTag(os, command_depth+depth,
1516                                                   item_name);
1517                                 if (environment_inner[depth] == "varlistentry")
1518                                         buf->sgmlCloseTag(os,
1519                                                           depth + command_depth,
1520                                                           environment_inner[depth]);
1521                         }
1522
1523                         buf->sgmlCloseTag(os, depth + command_depth,
1524                                           environment_stack[depth]);
1525
1526                         environment_stack[depth].erase();
1527                         environment_inner[depth].erase();
1528                 }
1529
1530                 // Write opening SGML tags.
1531                 switch (style.latextype) {
1532                 case LATEX_PARAGRAPH:
1533                         buf->sgmlOpenTag(os, depth + command_depth,
1534                                          style.latexname());
1535                         break;
1536
1537                 case LATEX_COMMAND:
1538                         buf->sgmlError(p, 0,
1539                                        _("Error : LatexType Command not allowed here.\n"));
1540                         return -1;
1541                         break;
1542
1543                 case LATEX_ENVIRONMENT:
1544                 case LATEX_ITEM_ENVIRONMENT:
1545                         if (depth < p->params().depth()) {
1546                                 depth = p->params().depth();
1547                                 environment_stack[depth].erase();
1548                         }
1549
1550                         if (environment_stack[depth] != style.latexname()) {
1551                                 if (environment_stack.size() == depth + 1) {
1552                                         environment_stack.push_back("!-- --");
1553                                         environment_inner.push_back("!-- --");
1554                                 }
1555                                 environment_stack[depth] = style.latexname();
1556                                 environment_inner[depth] = "!-- --";
1557                                 buf->sgmlOpenTag(os, depth + command_depth,
1558                                                  environment_stack[depth]);
1559                         } else {
1560                                 if (environment_inner[depth] != "!-- --") {
1561                                         item_name= "listitem";
1562                                         buf->sgmlCloseTag(os,
1563                                                           command_depth + depth,
1564                                                           item_name);
1565                                         if (environment_inner[depth] == "varlistentry")
1566                                                 buf->sgmlCloseTag(os,
1567                                                                   depth + command_depth,
1568                                                                   environment_inner[depth]);
1569                                 }
1570                         }
1571
1572                         if (style.latextype == LATEX_ENVIRONMENT) {
1573                                 if (!style.latexparam().empty()) {
1574                                         if (style.latexparam() == "CDATA")
1575                                                 os << "<![CDATA[";
1576                                         else
1577                                                 buf->sgmlOpenTag(os, depth + command_depth,
1578                                                                  style.latexparam());
1579                                 }
1580                                 break;
1581                         }
1582
1583                         desc_on = (style.labeltype == LABEL_MANUAL);
1584
1585                         if (desc_on)
1586                                 environment_inner[depth]= "varlistentry";
1587                         else
1588                                 environment_inner[depth]= "listitem";
1589
1590                         buf->sgmlOpenTag(os, depth + 1 + command_depth,
1591                                          environment_inner[depth]);
1592
1593                         if (desc_on) {
1594                                 item_name= "term";
1595                                 buf->sgmlOpenTag(os, depth + 1 + command_depth,
1596                                                  item_name);
1597                         } else {
1598                                 item_name= "para";
1599                                 buf->sgmlOpenTag(os, depth + 1 + command_depth,
1600                                                  item_name);
1601                         }
1602                         break;
1603                 default:
1604                         buf->sgmlOpenTag(os, depth + command_depth,
1605                                          style.latexname());
1606                         break;
1607                 }
1608
1609                 buf->simpleDocBookOnePar(os, p, desc_on,
1610                                          depth + 1 + command_depth);
1611                 p = p->next();
1612
1613                 string end_tag;
1614                 // write closing SGML tags
1615                 switch (style.latextype) {
1616                 case LATEX_ENVIRONMENT:
1617                         if (!style.latexparam().empty()) {
1618                                 if (style.latexparam() == "CDATA")
1619                                         os << "]]>";
1620                                 else
1621                                         buf->sgmlCloseTag(os, depth + command_depth,
1622                                                           style.latexparam());
1623                         }
1624                         break;
1625                 case LATEX_ITEM_ENVIRONMENT:
1626                         if (desc_on == 1) break;
1627                         end_tag= "para";
1628                         buf->sgmlCloseTag(os, depth + 1 + command_depth, end_tag);
1629                         break;
1630                 case LATEX_PARAGRAPH:
1631                         buf->sgmlCloseTag(os, depth + command_depth, style.latexname());
1632                         break;
1633                 default:
1634                         buf->sgmlCloseTag(os, depth + command_depth, style.latexname());
1635                         break;
1636                 }
1637         }
1638
1639         // Close open tags
1640         for (int d = depth; d >= 0; --d) {
1641                 if (!environment_stack[depth].empty()) {
1642                         if (environment_inner[depth] != "!-- --") {
1643                                 item_name = "listitem";
1644                                 buf->sgmlCloseTag(os, command_depth + depth,
1645                                                   item_name);
1646                                if (environment_inner[depth] == "varlistentry")
1647                                        buf->sgmlCloseTag(os, depth + command_depth,
1648                                                          environment_inner[depth]);
1649                         }
1650
1651                         buf->sgmlCloseTag(os, depth + command_depth,
1652                                           environment_stack[depth]);
1653                 }
1654         }
1655
1656         return lines;
1657 }
1658
1659
1660 void InsetText::validate(LaTeXFeatures & features) const
1661 {
1662         Paragraph * p = par;
1663         while (p) {
1664                 p->validate(features);
1665                 p = p->next();
1666         }
1667 }
1668
1669
1670 int InsetText::beginningOfMainBody(Buffer const * buf, Paragraph * p) const
1671 {
1672         if (textclasslist[buf->params.textclass][p->layout()].labeltype != LABEL_MANUAL)
1673                 return 0;
1674         else
1675                 return p->beginningOfMainBody();
1676 }
1677
1678
1679 void InsetText::getCursorPos(BufferView * bv,
1680                              int & x, int & y) const
1681 {
1682         if (the_locking_inset) {
1683                 the_locking_inset->getCursorPos(bv, x, y);
1684                 return;
1685         }
1686         x = cx(bv);
1687         y = cy(bv);
1688 }
1689
1690
1691 unsigned int InsetText::insetInInsetY()
1692 {
1693         if (!the_locking_inset)
1694                 return 0;
1695
1696         return (inset_y + the_locking_inset->insetInInsetY());
1697 }
1698
1699
1700 void InsetText::toggleInsetCursor(BufferView * bv)
1701 {
1702         if (the_locking_inset) {
1703                 the_locking_inset->toggleInsetCursor(bv);
1704                 return;
1705         }
1706
1707         LyXFont const font(getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv)));
1708
1709         int const asc = lyxfont::maxAscent(font);
1710         int const desc = lyxfont::maxDescent(font);
1711
1712         if (isCursorVisible())
1713                 bv->hideLockedInsetCursor();
1714         else
1715                 bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1716         toggleCursorVisible();
1717 }
1718
1719
1720 void InsetText::showInsetCursor(BufferView * bv, bool show)
1721 {
1722         if (the_locking_inset) {
1723                 the_locking_inset->showInsetCursor(bv, show);
1724                 return;
1725         }
1726         if (!isCursorVisible()) {
1727                 LyXFont const font =
1728                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1729
1730                 int const asc = lyxfont::maxAscent(font);
1731                 int const desc = lyxfont::maxDescent(font);
1732
1733                 bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1734                 if (show)
1735                         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1736                 setCursorVisible(true);
1737         }
1738 }
1739
1740
1741 void InsetText::hideInsetCursor(BufferView * bv)
1742 {
1743         if (isCursorVisible()) {
1744                 bv->hideLockedInsetCursor();
1745                 setCursorVisible(false);
1746         }
1747         if (the_locking_inset)
1748                 the_locking_inset->hideInsetCursor(bv);
1749 }
1750
1751
1752 void InsetText::fitInsetCursor(BufferView * bv) const
1753 {
1754         if (the_locking_inset) {
1755                 the_locking_inset->fitInsetCursor(bv);
1756                 return;
1757         }
1758         LyXFont const font =
1759                 getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1760
1761         int const asc = lyxfont::maxAscent(font);
1762         int const desc = lyxfont::maxDescent(font);
1763
1764         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1765 }
1766
1767
1768 UpdatableInset::RESULT
1769 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1770 {
1771         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1772                 return moveLeftIntern(bv, false, activate_inset, selecting);
1773         else
1774                 return moveRightIntern(bv, false, activate_inset, selecting);
1775 }
1776
1777
1778 UpdatableInset::RESULT
1779 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1780 {
1781         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1782                 return moveRightIntern(bv, true, activate_inset, selecting);
1783         else
1784                 return moveLeftIntern(bv, true, activate_inset, selecting);
1785 }
1786
1787
1788 UpdatableInset::RESULT
1789 InsetText::moveRightIntern(BufferView * bv, bool behind,
1790                            bool activate_inset, bool selecting)
1791 {
1792         if (!cpar(bv)->next() && (cpos(bv) >= cpar(bv)->size()))
1793                 return FINISHED_RIGHT;
1794         if (activate_inset && checkAndActivateInset(bv, behind))
1795                 return DISPATCHED;
1796         getLyXText(bv)->cursorRight(bv);
1797         if (!selecting)
1798                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1799         return DISPATCHED_NOUPDATE;
1800 }
1801
1802
1803 UpdatableInset::RESULT
1804 InsetText::moveLeftIntern(BufferView * bv, bool behind,
1805                           bool activate_inset, bool selecting)
1806 {
1807         if (!cpar(bv)->previous() && (cpos(bv) <= 0))
1808                 return FINISHED;
1809         getLyXText(bv)->cursorLeft(bv);
1810         if (!selecting)
1811                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1812         if (activate_inset && checkAndActivateInset(bv, behind))
1813                 return DISPATCHED;
1814         return DISPATCHED_NOUPDATE;
1815 }
1816
1817
1818 UpdatableInset::RESULT
1819 InsetText::moveUp(BufferView * bv)
1820 {
1821         if (!crow(bv)->previous())
1822                 return FINISHED_UP;
1823         getLyXText(bv)->cursorUp(bv);
1824         return DISPATCHED_NOUPDATE;
1825 }
1826
1827
1828 UpdatableInset::RESULT
1829 InsetText::moveDown(BufferView * bv)
1830 {
1831         if (!crow(bv)->next())
1832                 return FINISHED_DOWN;
1833         getLyXText(bv)->cursorDown(bv);
1834         return DISPATCHED_NOUPDATE;
1835 }
1836
1837
1838 bool InsetText::insertInset(BufferView * bv, Inset * inset)
1839 {
1840         if (the_locking_inset) {
1841                 if (the_locking_inset->insetAllowed(inset))
1842                         return the_locking_inset->insertInset(bv, inset);
1843                 return false;
1844         }
1845         bool clear = false;
1846         if (!lt) {
1847                 lt = getLyXText(bv);
1848                 clear = true;
1849         }
1850         setUndo(bv, Undo::FINISH, lt->cursor.par(), lt->cursor.par()->next());
1851         freezeUndo();
1852         inset->setOwner(this);
1853         hideInsetCursor(bv);
1854         lt->insertInset(bv, inset);
1855         bv->fitCursor();
1856         if (clear)
1857                 lt = 0;
1858         updateLocal(bv, CURSOR_PAR|CURSOR, true);
1859         unFreezeUndo();
1860         return true;
1861 }
1862
1863
1864 bool InsetText::insetAllowed(Inset::Code code) const
1865 {
1866         // in_insetAllowed is a really gross hack,
1867         // to allow us to call the owner's insetAllowed
1868         // without stack overflow, which can happen
1869         // when the owner uses InsetCollapsable::insetAllowed()
1870         bool ret = true;
1871         if (in_insetAllowed)
1872                 return ret;
1873         in_insetAllowed = true;
1874         if (the_locking_inset)
1875                 ret = the_locking_inset->insetAllowed(code);
1876         else if (owner())
1877                 ret = owner()->insetAllowed(code);
1878         in_insetAllowed = false;
1879         return ret;
1880 }
1881
1882
1883 UpdatableInset * InsetText::getLockingInset() const
1884 {
1885         return the_locking_inset ? the_locking_inset->getLockingInset() :
1886                 const_cast<InsetText *>(this);
1887 }
1888
1889
1890 UpdatableInset * InsetText::getFirstLockingInsetOfType(Inset::Code c)
1891 {
1892         if (c == lyxCode())
1893                 return this;
1894         if (the_locking_inset)
1895                 return the_locking_inset->getFirstLockingInsetOfType(c);
1896         return 0;
1897 }
1898
1899
1900 bool InsetText::showInsetDialog(BufferView * bv) const
1901 {
1902         if (the_locking_inset)
1903                 return the_locking_inset->showInsetDialog(bv);
1904         return false;
1905 }
1906
1907
1908 vector<string> const InsetText::getLabelList() const
1909 {
1910         vector<string> label_list;
1911
1912         Paragraph * tpar = par;
1913         while (tpar) {
1914                 Paragraph::inset_iterator beg = tpar->inset_iterator_begin();
1915                 Paragraph::inset_iterator end = tpar->inset_iterator_end();
1916                 for (; beg != end; ++beg) {
1917                         vector<string> const l = (*beg)->getLabelList();
1918                         label_list.insert(label_list.end(), l.begin(), l.end());
1919                 }
1920                 tpar = tpar->next();
1921         }
1922         return label_list;
1923 }
1924
1925
1926 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
1927                         bool selectall)
1928 {
1929         if (the_locking_inset) {
1930                 the_locking_inset->setFont(bv, font, toggleall, selectall);
1931                 return;
1932         }
1933         if ((!par->next() && !par->size()) || !cpar(bv)->size()) {
1934                 getLyXText(bv)->setFont(bv, font, toggleall);
1935                 return;
1936         }
1937         bool clear = false;
1938         if (!lt) {
1939                 lt = getLyXText(bv);
1940                 clear = true;
1941         }
1942         if (lt->selection.set()) {
1943                 setUndo(bv, Undo::EDIT, lt->cursor.par(), lt->cursor.par()->next());
1944         }
1945         if (selectall)
1946                 selectAll(bv);
1947         lt->toggleFree(bv, font, toggleall);
1948         if (selectall)
1949                 lt->clearSelection();
1950         bv->fitCursor();
1951         bool flag = (selectall || lt->selection.set());
1952         if (clear)
1953                 lt = 0;
1954         if (flag)
1955                 updateLocal(bv, FULL, true);
1956         else
1957                 updateLocal(bv, CURSOR_PAR, true);
1958 }
1959
1960
1961 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1962 {
1963         if (cpar(bv)->isInset(cpos(bv))) {
1964                 unsigned int x;
1965                 unsigned int y;
1966                 Inset * inset =
1967                         static_cast<UpdatableInset*>(cpar(bv)->getInset(cpos(bv)));
1968                 if (!isHighlyEditableInset(inset))
1969                         return false;
1970                 LyXFont const font =
1971                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1972                 if (behind) {
1973                         x = inset->width(bv, font);
1974                         y = font.isRightToLeft() ? 0 : inset->descent(bv, font);
1975                 } else {
1976                         x = 0;
1977                         y = font.isRightToLeft() ? inset->descent(bv, font) : 0;
1978                 }
1979                 //inset_x = cx(bv) - top_x + drawTextXOffset;
1980                 //inset_y = cy(bv) + drawTextYOffset;
1981                 inset->edit(bv, x, y, 0);
1982                 if (!the_locking_inset)
1983                         return false;
1984                 updateLocal(bv, CURSOR, false);
1985                 return true;
1986         }
1987         return false;
1988 }
1989
1990
1991 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1992                                       int button)
1993 {
1994         x -= drawTextXOffset;
1995         int dummyx = x;
1996         int dummyy = y + insetAscent;
1997         Inset * inset = bv->checkInsetHit(getLyXText(bv), dummyx, dummyy);
1998
1999         if (inset) {
2000                 if (x < 0)
2001                         x = insetWidth;
2002                 if (y < 0)
2003                         y = insetDescent;
2004                 inset_x = cx(bv) - top_x + drawTextXOffset;
2005                 inset_y = cy(bv) + drawTextYOffset;
2006                 inset->edit(bv, x - inset_x, y - inset_y, button);
2007                 if (!the_locking_inset)
2008                         return false;
2009                 updateLocal(bv, CURSOR, false);
2010                 return true;
2011         }
2012         return false;
2013 }
2014
2015
2016 int InsetText::getMaxWidth(BufferView * bv, UpdatableInset const * inset) const
2017 {
2018 #if 0
2019         int w = UpdatableInset::getMaxWidth(bv, inset);
2020         if (w < 0) {
2021                 return -1;
2022         }
2023         if (owner()) {
2024                 w = w - top_x + owner()->x();
2025                 return w;
2026         }
2027         w -= (2 * TEXT_TO_INSET_OFFSET);
2028         return w - top_x;
2029 #else
2030         return UpdatableInset::getMaxWidth(bv, inset);
2031 #endif
2032 }
2033
2034
2035 void InsetText::setParagraphData(Paragraph * p, bool same_id)
2036 {
2037         // we have to unlock any locked inset otherwise we're in troubles
2038         the_locking_inset = 0;
2039         while (par) {
2040                 Paragraph * tmp = par->next();
2041                 delete par;
2042                 par = tmp;
2043         }
2044
2045         par = new Paragraph(*p, same_id);
2046         par->setInsetOwner(this);
2047         Paragraph * np = par;
2048         while (p->next()) {
2049                 p = p->next();
2050                 np->next(new Paragraph(*p, same_id));
2051                 np->next()->previous(np);
2052                 np = np->next();
2053                 np->setInsetOwner(this);
2054         }
2055         reinitLyXText();
2056         need_update = INIT;
2057 }
2058
2059
2060 void InsetText::setText(string const & data)
2061 {
2062         clear();
2063         LyXFont font(LyXFont::ALL_SANE);
2064         for (unsigned int i=0; i < data.length(); ++i)
2065                 par->insertChar(i, data[i], font);
2066 }
2067
2068
2069 void InsetText::setAutoBreakRows(bool flag)
2070 {
2071         if (flag != autoBreakRows) {
2072                 autoBreakRows = flag;
2073                 if (!flag)
2074                         removeNewlines();
2075                 need_update = INIT;
2076         }
2077 }
2078
2079
2080 void InsetText::setDrawFrame(BufferView * bv, DrawFrame how)
2081 {
2082         if (how != drawFrame_) {
2083                 drawFrame_ = how;
2084                 if (bv)
2085                         updateLocal(bv, DRAW_FRAME, false);
2086         }
2087 }
2088
2089
2090 void InsetText::setFrameColor(BufferView * bv, LColor::color col)
2091 {
2092         if (frame_color != col) {
2093                 frame_color = col;
2094                 if (bv)
2095                         updateLocal(bv, DRAW_FRAME, false);
2096         }
2097 }
2098
2099
2100 int InsetText::cx(BufferView * bv) const
2101 {
2102         // we do nothing dangerous so we use a local cache
2103         LyXText * llt = getLyXText(bv);
2104         int x = llt->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
2105         if (the_locking_inset) {
2106                 LyXFont font = llt->getFont(bv->buffer(), llt->cursor.par(),
2107                                             llt->cursor.pos());
2108                 if (font.isVisibleRightToLeft())
2109                         x -= the_locking_inset->width(bv, font);
2110         }
2111         return x;
2112 }
2113
2114
2115 int InsetText::cy(BufferView * bv) const
2116 {
2117         LyXFont font;
2118         return getLyXText(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
2119 }
2120
2121
2122 pos_type InsetText::cpos(BufferView * bv) const
2123 {
2124         return getLyXText(bv)->cursor.pos();
2125 }
2126
2127
2128 Paragraph * InsetText::cpar(BufferView * bv) const
2129 {
2130         return getLyXText(bv)->cursor.par();
2131 }
2132
2133
2134 bool InsetText::cboundary(BufferView * bv) const
2135 {
2136         return getLyXText(bv)->cursor.boundary();
2137 }
2138
2139
2140 Row * InsetText::crow(BufferView * bv) const
2141 {
2142         return getLyXText(bv)->cursor.row();
2143 }
2144
2145
2146 LyXText * InsetText::getLyXText(BufferView const * lbv,
2147                                 bool const recursive) const
2148 {
2149         if (cached_bview == lbv) {
2150                 if (recursive && the_locking_inset)
2151                         return the_locking_inset->getLyXText(lbv, true);
2152                 LyXText * lt = cached_text.get();
2153                 lyx::Assert(lt && lt->firstRow()->par() == par);
2154                 return lt;
2155         }
2156         // Super UGLY! (Lgb)
2157         BufferView * bv = const_cast<BufferView *>(lbv);
2158
2159         cached_bview = bv;
2160         Cache::iterator it = cache.find(bv);
2161
2162         if (it != cache.end()) {
2163                 if (do_reinit) {
2164                         reinitLyXText();
2165                 } else if (do_resize) {
2166                         resizeLyXText(do_resize);
2167                 } else {
2168                         if (lt || !it->second.remove) {
2169                                 lyx::Assert(it->second.text.get());
2170                                 cached_text = it->second.text;
2171                                 if (recursive && the_locking_inset) {
2172                                         return the_locking_inset->getLyXText(bv, true);
2173                                 }
2174                                 return cached_text.get();
2175                         } else if (it->second.remove) {
2176                                 if (locked) {
2177                                         saveLyXTextState(it->second.text.get());
2178                                 } else {
2179                                         sstate.lpar = 0;
2180                                 }
2181                         }
2182                         //
2183                         // when we have to reinit the existing LyXText!
2184                         //
2185                         it->second.text->init(bv);
2186                         restoreLyXTextState(bv, it->second.text.get());
2187                         it->second.remove = false;
2188                 }
2189                 cached_text = it->second.text;
2190                 if (the_locking_inset && recursive) {
2191                         return the_locking_inset->getLyXText(bv);
2192                 }
2193                 return cached_text.get();
2194         }
2195         ///
2196         // we are here only if we don't have a BufferView * in the cache!!!
2197         ///
2198         cached_text.reset(new LyXText(const_cast<InsetText *>(this)));
2199         cached_text->init(bv);
2200         restoreLyXTextState(bv, cached_text.get());
2201
2202         cache.insert(make_pair(bv, cached_text));
2203
2204         if (the_locking_inset && recursive) {
2205                 return the_locking_inset->getLyXText(bv);
2206         }
2207         return cached_text.get();
2208 }
2209
2210
2211 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
2212 {
2213         cached_bview = 0;
2214
2215         Cache::iterator it = cache.find(bv);
2216
2217         if (it == cache.end()) {
2218                 return;
2219         }
2220
2221         lyx::Assert(it->second.text.get());
2222
2223         it->second.remove = true;
2224         if (recursive) {
2225                 /// then remove all LyXText in text-insets
2226                 Paragraph * p = par;
2227                 for (; p; p = p->next()) {
2228                         p->deleteInsetsLyXText(bv);
2229                 }
2230         }
2231 }
2232
2233
2234 void InsetText::resizeLyXText(BufferView * bv, bool force) const
2235 {
2236         if (lt) {
2237                 // we cannot resize this because we are in use!
2238                 // so do this on the next possible getLyXText()
2239                 do_resize = bv;
2240                 return;
2241         }
2242         do_resize = 0;
2243 //      lyxerr << "InsetText::resizeLyXText\n";
2244         if (!par->next() && !par->size()) { // no data, resize not neccessary!
2245                 // we have to do this as a fixed width may have changed!
2246                 LyXText * t = getLyXText(bv);
2247                 saveLyXTextState(t);
2248                 t->init(bv, true);
2249                 restoreLyXTextState(bv, t);
2250                 return;
2251         }
2252         // one endless line, resize normally not necessary
2253         if (!force && getMaxWidth(bv, this) < 0)
2254                 return;
2255
2256         Cache::iterator it = cache.find(bv);
2257         if (it == cache.end()) {
2258                 return;
2259         }
2260         lyx::Assert(it->second.text.get());
2261
2262         LyXText * t = it->second.text.get();
2263         saveLyXTextState(t);
2264         for (Paragraph * p = par; p; p = p->next()) {
2265                 p->resizeInsetsLyXText(bv);
2266         }
2267         t->init(bv, true);
2268         restoreLyXTextState(bv, t);
2269         if (the_locking_inset) {
2270                 inset_x = cx(bv) - top_x + drawTextXOffset;
2271                 inset_y = cy(bv) + drawTextYOffset;
2272         }
2273
2274         if (bv->screen()) {
2275                 t->first_y = bv->screen()->topCursorVisible(t);
2276         }
2277         if (!owner()) {
2278                 updateLocal(bv, FULL, false);
2279                 // this will scroll the screen such that the cursor becomes visible
2280                 bv->updateScrollbar();
2281         } else {
2282                 need_update |= FULL;
2283         }
2284 }
2285
2286
2287 void InsetText::reinitLyXText() const
2288 {
2289         if (lt) {
2290                 // we cannot resize this because we are in use!
2291                 // so do this on the next possible getLyXText()
2292                 do_reinit = true;
2293                 return;
2294         }
2295         do_reinit = false;
2296         do_resize = 0;
2297 //      lyxerr << "InsetText::reinitLyXText\n";
2298         for(Cache::iterator it = cache.begin(); it != cache.end(); ++it) {
2299                 lyx::Assert(it->second.text.get());
2300
2301                 LyXText * t = it->second.text.get();
2302                 BufferView * bv = it->first;
2303
2304                 saveLyXTextState(t);
2305                 for (Paragraph * p = par; p; p = p->next()) {
2306                         p->resizeInsetsLyXText(bv);
2307                 }
2308                 t->init(bv, true);
2309                 restoreLyXTextState(bv, t);
2310                 if (the_locking_inset) {
2311                         inset_x = cx(bv) - top_x + drawTextXOffset;
2312                         inset_y = cy(bv) + drawTextYOffset;
2313                 }
2314                 if (bv->screen()) {
2315                         t->first_y = bv->screen()->topCursorVisible(t);
2316                 }
2317                 if (!owner()) {
2318                         updateLocal(bv, FULL, false);
2319                         // this will scroll the screen such that the cursor becomes visible
2320                         bv->updateScrollbar();
2321                 } else {
2322                         need_update = FULL;
2323                 }
2324         }
2325 }
2326
2327
2328 void InsetText::removeNewlines()
2329 {
2330         bool changed = false;
2331
2332         for (Paragraph * p = par; p; p = p->next()) {
2333                 for (int i = 0; i < p->size(); ++i) {
2334                         if (p->getChar(i) == Paragraph::META_NEWLINE) {
2335                                 changed = true;
2336                                 p->erase(i);
2337                         }
2338                 }
2339         }
2340         if (changed)
2341                 reinitLyXText();
2342 }
2343
2344
2345 bool InsetText::nodraw() const
2346 {
2347         if (the_locking_inset)
2348                 return the_locking_inset->nodraw();
2349         return UpdatableInset::nodraw();
2350 }
2351
2352
2353 int InsetText::scroll(bool recursive) const
2354 {
2355         int sx = UpdatableInset::scroll(false);
2356
2357         if (recursive && the_locking_inset)
2358                 sx += the_locking_inset->scroll(recursive);
2359
2360         return sx;
2361 }
2362
2363
2364 bool InsetText::doClearArea() const
2365 {
2366         return !locked || (need_update & (FULL|INIT));
2367 }
2368
2369
2370 void InsetText::selectAll(BufferView * bv)
2371 {
2372         getLyXText(bv)->cursorTop(bv);
2373         getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
2374         getLyXText(bv)->cursorBottom(bv);
2375         getLyXText(bv)->setSelection(bv);
2376 }
2377
2378
2379 void InsetText::clearSelection(BufferView * bv)
2380 {
2381         getLyXText(bv)->clearSelection();
2382 }
2383
2384
2385 void InsetText::clearInset(BufferView * bv, int baseline, bool & cleared) const
2386 {
2387         Painter & pain = bv->painter();
2388         int w = insetWidth;
2389         int h = insetAscent + insetDescent;
2390         int ty = baseline - insetAscent;
2391
2392         if (ty < 0) {
2393                 h += ty;
2394                 ty = 0;
2395         }
2396         if ((ty + h) > pain.paperHeight())
2397                 h = pain.paperHeight();
2398         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
2399                 w = pain.paperWidth();
2400 //      w -= TEXT_TO_INSET_OFFSET;
2401         pain.fillRectangle(top_x, ty, w+1, h+1, backgroundColor());
2402         cleared = true;
2403         need_update = FULL;
2404         frame_is_visible = false;
2405 }
2406
2407
2408 Paragraph * InsetText::getParFromID(int id) const
2409 {
2410 #if 0
2411         Paragraph * result = par;
2412         Paragraph * ires = 0;
2413         while (result && result->id() != id) {
2414                 if ((ires = result->getParFromID(id)))
2415                         return ires;
2416                 result = result->next();
2417         }
2418         return result;
2419 #else
2420         Paragraph * tmp = par;
2421         while (tmp) {
2422                 if (tmp->id() == id) {
2423                         return tmp;
2424                 }
2425                 Paragraph * tmp2 = tmp->getParFromID(id);
2426                 if (tmp2 != 0) {
2427                         return tmp2;
2428                 }
2429                 tmp = tmp->next();
2430         }
2431         return 0;
2432 #endif
2433 }
2434
2435
2436 Paragraph * InsetText::firstParagraph() const
2437 {
2438         Paragraph * result;
2439         if (the_locking_inset)
2440                 if ((result = the_locking_inset->firstParagraph()))
2441                         return result;
2442         return par;
2443 }
2444
2445
2446 Paragraph * InsetText::getFirstParagraph(int i) const
2447 {
2448         return (i == 0) ? par : 0;
2449 }
2450
2451
2452 LyXCursor const & InsetText::cursor(BufferView * bv) const
2453 {
2454                 if (the_locking_inset)
2455                                 return the_locking_inset->cursor(bv);
2456                 return getLyXText(bv)->cursor;
2457 }
2458
2459
2460 Paragraph * InsetText::paragraph() const
2461 {
2462         return par;
2463 }
2464
2465
2466 void InsetText::paragraph(Paragraph * p)
2467 {
2468         // GENERAL COMMENT: We don't have to free the old paragraphs as the
2469         // caller of this function has to take care of it. This IS important
2470         // as we could have to insert a paragraph before this one and just
2471         // link the actual to a new ones next and set it with this function
2472         // and are done!
2473         par = p;
2474         // set ourself as owner for all the paragraphs inserted!
2475         Paragraph * np = par;
2476         while (np) {
2477                 np->setInsetOwner(this);
2478                 np = np->next();
2479         }
2480         reinitLyXText();
2481         // redraw myself when asked for
2482         need_update = INIT;
2483 }
2484
2485
2486 Inset * InsetText::getInsetFromID(int id_arg) const
2487 {
2488         if (id_arg == id())
2489                 return const_cast<InsetText *>(this);
2490
2491         Paragraph * lp = par;
2492
2493         while (lp) {
2494                 for (Paragraph::inset_iterator it = lp->inset_iterator_begin(),
2495                          en = lp->inset_iterator_end();
2496                          it != en; ++it)
2497                 {
2498                         if ((*it)->id() == id_arg)
2499                                 return *it;
2500                         Inset * in = (*it)->getInsetFromID(id_arg);
2501                         if (in)
2502                                 return in;
2503                 }
2504                 lp = lp->next();
2505         }
2506         return 0;
2507 }
2508
2509
2510 string const InsetText::selectNextWordToSpellcheck(BufferView * bv, float & value) const
2511 {
2512         bool clear = false;
2513         string str;
2514
2515         if (!lt) {
2516                 lt = getLyXText(bv);
2517                 clear = true;
2518         }
2519         if (the_locking_inset) {
2520                 str = the_locking_inset->selectNextWordToSpellcheck(bv, value);
2521                 if (!str.empty()) {
2522                         value += cy(bv);
2523                         if (clear)
2524                                 lt = 0;
2525                         return str;
2526                 }
2527                 // we have to go on checking so move cusor to the next char
2528                 lt->cursor.pos(lt->cursor.pos() + 1);
2529         }
2530         str = lt->selectNextWordToSpellcheck(bv, value);
2531         if (str.empty())
2532                 bv->unlockInset(const_cast<InsetText *>(this));
2533         else
2534                 value = cy(bv);
2535         if (clear)
2536                 lt = 0;
2537         return str;
2538 }
2539
2540
2541 void InsetText::selectSelectedWord(BufferView * bv)
2542 {
2543         if (the_locking_inset) {
2544                 the_locking_inset->selectSelectedWord(bv);
2545                 return;
2546         }
2547         getLyXText(bv)->selectSelectedWord(bv);
2548         updateLocal(bv, SELECTION, false);
2549 }
2550
2551
2552 void InsetText::toggleSelection(BufferView * bv, bool kill_selection)
2553 {
2554         if (the_locking_inset) {
2555                 the_locking_inset->toggleSelection(bv, kill_selection);
2556         }
2557         bool clear = false;
2558         if (!lt) {
2559                 lt = getLyXText(bv);
2560                 clear = true;
2561         }
2562
2563         int x = top_x + TEXT_TO_INSET_OFFSET;
2564
2565         Row * row = lt->firstRow();
2566         int y_offset = top_baseline - row->ascent_of_text();
2567         int y = y_offset;
2568         while ((row != 0) && ((y+row->height()) <= 0)) {
2569                 y += row->height();
2570                 row = row->next();
2571         }
2572         if (y_offset < 0)
2573                 y_offset = y;
2574
2575         if (need_update & SELECTION)
2576                 need_update = NONE;
2577         bv->screen()->toggleSelection(lt, bv, kill_selection, y_offset, x);
2578         if (clear)
2579                 lt = 0;
2580 }
2581
2582
2583 bool InsetText::searchForward(BufferView * bv, string const & str,
2584                               bool cs, bool mw)
2585 {
2586         if (the_locking_inset) {
2587                 if (the_locking_inset->searchForward(bv, str, cs, mw))
2588                         return true;
2589                 bool clear = false;
2590                 if (!lt) {
2591                         lt = getLyXText(bv);
2592                         clear = true;
2593                 }
2594                 Paragraph * lpar = lt->cursor.par();
2595                 pos_type pos = lt->cursor.pos();
2596                 if (pos < lpar->size() - 1)
2597                         ++pos;
2598                 else {
2599                         pos = 0;
2600                         lpar = lpar->next();
2601                 }
2602                 if (!lpar) {
2603                         if (clear)
2604                                 lt = 0;
2605                         // we have to unlock ourself in this function by default!
2606                         bv->unlockInset(const_cast<InsetText *>(this));
2607                         return false;
2608                 }
2609                 lt->setCursor(bv, lpar, pos);
2610                 if (clear)
2611                         lt = 0;
2612         }
2613         if (LyXFind(bv, str, true, true, cs , mw)) {
2614                 return true;
2615         }
2616         // we have to unlock ourself in this function by default!
2617         bv->unlockInset(const_cast<InsetText *>(this));
2618         return false;
2619 }
2620
2621 bool InsetText::searchBackward(BufferView * bv, string const & str,
2622                                bool cs, bool mw)
2623 {
2624         if (the_locking_inset)
2625                 if (the_locking_inset->searchBackward(bv, str, cs, mw))
2626                         return true;
2627         if (LyXFind(bv, str, false, true, cs, mw)) {
2628                 return true;
2629         }
2630         // we have to unlock ourself in this function by default!
2631         bv->unlockInset(const_cast<InsetText *>(this));
2632         return false;
2633 }
2634
2635
2636 bool InsetText::checkInsertChar(LyXFont & font)
2637 {
2638         if (owner())
2639                 return owner()->checkInsertChar(font);
2640         return true;
2641 }
2642
2643
2644 void InsetText::collapseParagraphs(BufferParams const & bparams) const
2645 {
2646         while(par->next()) {
2647                 if (!par->isSeparator(par->size()-1))
2648                         par->insertChar(par->size()-1, ' ');
2649                 par->pasteParagraph(bparams);
2650         }
2651         reinitLyXText();
2652 }
2653
2654
2655 void InsetText::getDrawFont(LyXFont & font) const
2656 {
2657         if (!owner())
2658                 return;
2659         owner()->getDrawFont(font);
2660 }