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                 bool found = the_locking_inset->updateInsetInInset(bv, inset);
 874                 if (clear)
 875                         lt = 0;
 876                 if (found)
 877                         setUpdateStatus(bv, CURSOR_PAR);
 878                 return found;
 879         }
 880         bool found = lt->updateInset(bv, inset);
 881         if (clear)
 882                 lt = 0;
 883         if (found) {
 884                 setUpdateStatus(bv, CURSOR_PAR);
 885                 if (the_locking_inset &&
 886                     cpar(bv) == inset_par && cpos(bv) == inset_pos)
 887                 {
 888                         inset_x = cx(bv) - top_x + drawTextXOffset;
 889                         inset_y = cy(bv) + drawTextYOffset;
 890                 }
 891         }
 892         return found;
 893 }
 894
 895
 896 void InsetText::insetButtonPress(BufferView * bv, int x, int y, int button)
 897 {
 898         no_selection = true;
 899
 900         // use this to check mouse motion for selection!
 901         mouse_x = x;
 902         mouse_y = y;
 903
 904         int tmp_x = x - drawTextXOffset;
 905         int tmp_y = y + insetAscent - getLyXText(bv)->first_y;
 906         Inset * inset = bv->checkInsetHit(getLyXText(bv), tmp_x, tmp_y);
 907
 908         hideInsetCursor(bv);
 909         if (the_locking_inset) {
 910                 if (the_locking_inset == inset) {
 911                         the_locking_inset->insetButtonPress(bv,
 912                                                             x - inset_x,
 913                                                             y - inset_y,
 914                                                             button);
 915                         no_selection = false;
 916                         return;
 917                 } else if (inset) {
 918                         // otherwise unlock the_locking_inset and lock the new inset
 919                         the_locking_inset->insetUnlock(bv);
 920                         inset_x = cx(bv) - top_x + drawTextXOffset;
 921                         inset_y = cy(bv) + drawTextYOffset;
 922                         the_locking_inset = 0;
 923                         inset->insetButtonPress(bv, x - inset_x,
 924                                                 y - inset_y, button);
 925 //                      inset->edit(bv, x - inset_x, y - inset_y, button);
 926                         if (the_locking_inset)
 927                                 updateLocal(bv, CURSOR, false);
 928                         no_selection = false;
 929                         return;
 930                 }
 931                 // otherwise only unlock the_locking_inset
 932                 the_locking_inset->insetUnlock(bv);
 933                 the_locking_inset = 0;
 934         }
 935         if (bv->theLockingInset()) {
 936                 if (isHighlyEditableInset(inset)) {
 937                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 938                         inset_x = cx(bv) - top_x + drawTextXOffset;
 939                         inset_y = cy(bv) + drawTextYOffset;
 940                         inset_pos = cpos(bv);
 941                         inset_par = cpar(bv);
 942                         inset_boundary = cboundary(bv);
 943                         the_locking_inset = uinset;
 944                         uinset->insetButtonPress(bv, x - inset_x, y - inset_y,
 945                                                  button);
 946                         uinset->edit(bv, x - inset_x, y - inset_y, 0);
 947                         if (the_locking_inset)
 948                                 updateLocal(bv, CURSOR, false);
 949                         no_selection = false;
 950                         return;
 951                 }
 952         }
 953         if (!inset) { // && (button == 2)) {
 954                 bool paste_internally = false;
 955                 if ((button == 2) && getLyXText(bv)->selection.set()) {
 956                         localDispatch(bv, LFUN_COPY, "");
 957                         paste_internally = true;
 958                 }
 959                 bool clear = false;
 960                 if (!lt) {
 961                         lt = getLyXText(bv);
 962                         clear = true;
 963                 }
 964
 965                 lt->setCursorFromCoordinates(bv, x - drawTextXOffset,
 966                                              y + insetAscent);
 967                 // set the selection cursor!
 968                 lt->selection.cursor = lt->cursor;
 969                 lt->cursor.x_fix(lt->cursor.x());
 970
 971                 if (lt->selection.set()) {
 972                         lt->clearSelection();
 973                         if (clear)
 974                                 lt = 0;
 975                         updateLocal(bv, FULL, false);
 976                 } else {
 977                         lt->clearSelection();
 978                         if (clear)
 979                                 lt = 0;
 980                         updateLocal(bv, CURSOR, false);
 981                 }
 982                 bv->owner()->setLayout(cpar(bv)->layout());
 983                 old_par = cpar(bv);
 984                 // Insert primary selection with middle mouse
 985                 // if there is a local selection in the current buffer,
 986                 // insert this
 987                 if (button == 2) {
 988                         if (paste_internally)
 989                                 localDispatch(bv, LFUN_PASTE, "");
 990                         else
 991                                 localDispatch(bv, LFUN_PASTESELECTION,
 992                                               "paragraph");
 993                 }
 994         } else {
 995                 getLyXText(bv)->clearSelection();
 996         }
 997         showInsetCursor(bv);
 998         no_selection = false;
 999 }
1000
1001
1002 bool InsetText::insetButtonRelease(BufferView * bv, int x, int y, int button)
1003 {
1004         if (the_locking_inset) {
1005                 return the_locking_inset->insetButtonRelease(bv,
1006                                                              x - inset_x, y - inset_y,
1007                                                              button);
1008         }
1009         int tmp_x = x - drawTextXOffset;
1010         int tmp_y = y + insetAscent - getLyXText(bv)->first_y;
1011         Inset * inset = bv->checkInsetHit(getLyXText(bv), tmp_x, tmp_y);
1012         bool ret = false;
1013         if (inset) {
1014                 if (isHighlyEditableInset(inset)) {
1015                         ret = inset->insetButtonRelease(bv, x - inset_x,
1016                                                         y - inset_y, button);
1017                 } else {
1018                         inset_x = cx(bv) - top_x + drawTextXOffset;
1019                         inset_y = cy(bv) + drawTextYOffset;
1020                         ret = inset->insetButtonRelease(bv, x - inset_x,
1021                                                         y - inset_y, button);
1022                         inset->edit(bv, x - inset_x,
1023                                     y - inset_y, button);
1024                 }
1025                 updateLocal(bv, CURSOR_PAR, false);
1026         }
1027         return ret;
1028 }
1029
1030
1031 void InsetText::insetMotionNotify(BufferView * bv, int x, int y, int state)
1032 {
1033         if (no_selection || ((mouse_x == x) && (mouse_y == y)))
1034                 return;
1035         if (the_locking_inset) {
1036                 the_locking_inset->insetMotionNotify(bv, x - inset_x,
1037                                                      y - inset_y,state);
1038                 return;
1039         }
1040         bool clear = false;
1041         if (!lt) {
1042                 lt = getLyXText(bv);
1043                 clear = true;
1044         }
1045         hideInsetCursor(bv);
1046         LyXCursor cur = lt->cursor;
1047         lt->setCursorFromCoordinates(bv, x - drawTextXOffset, y + insetAscent);
1048         if (cur == lt->cursor) {
1049                 if (clear)
1050                         lt = 0;
1051                 return;
1052         }
1053         lt->setSelection(bv);
1054         bool flag = (lt->toggle_cursor.par() != lt->toggle_end_cursor.par() ||
1055                                  lt->toggle_cursor.pos() != lt->toggle_end_cursor.pos());
1056         if (clear)
1057                 lt = 0;
1058         if (flag) {
1059                 updateLocal(bv, SELECTION, false);
1060         }
1061         showInsetCursor(bv);
1062 }
1063
1064
1065 void InsetText::insetKeyPress(XKeyEvent * xke)
1066 {
1067         if (the_locking_inset) {
1068                 the_locking_inset->insetKeyPress(xke);
1069                 return;
1070         }
1071 }
1072
1073
1074 UpdatableInset::RESULT
1075 InsetText::localDispatch(BufferView * bv,
1076                          kb_action action, string const & arg)
1077 {
1078         bool was_empty = par->size() == 0 && !par->next();
1079         no_selection = false;
1080         UpdatableInset::RESULT
1081                 result= UpdatableInset::localDispatch(bv, action, arg);
1082         if (result != UNDISPATCHED) {
1083                 return DISPATCHED;
1084         }
1085
1086         result = DISPATCHED;
1087         if ((action < 0) && arg.empty())
1088                 return FINISHED;
1089
1090         if (the_locking_inset) {
1091                 result = the_locking_inset->localDispatch(bv, action, arg);
1092                 if (result == DISPATCHED_NOUPDATE)
1093                         return result;
1094                 else if (result == DISPATCHED) {
1095                         updateLocal(bv, CURSOR_PAR, false);
1096                         return result;
1097                 } else if (result >= FINISHED) {
1098                         switch (result) {
1099                         case FINISHED_RIGHT:
1100                                 moveRightIntern(bv, false, false);
1101                                 result = DISPATCHED;
1102                                 break;
1103                         case FINISHED_UP:
1104                                 if ((result = moveUp(bv)) >= FINISHED) {
1105                                         updateLocal(bv, CURSOR, false);
1106                                         bv->unlockInset(this);
1107                                 }
1108                                 break;
1109                         case FINISHED_DOWN:
1110                                 if ((result = moveDown(bv)) >= FINISHED) {
1111                                         updateLocal(bv, CURSOR, false);
1112                                         bv->unlockInset(this);
1113                                 }
1114                                 break;
1115                         default:
1116                                 result = DISPATCHED;
1117                                 break;
1118                         }
1119                         the_locking_inset = 0;
1120 #ifdef WITH_WARNINGS
1121 #warning I changed this to always return Dispatched maybe it is wrong (20011001 Jug)
1122 #endif
1123                         return result;
1124                 }
1125         }
1126         hideInsetCursor(bv);
1127         bool clear = false;
1128         if (!lt) {
1129                 lt = getLyXText(bv);
1130                 clear = true;
1131         }
1132         int updwhat = 0;
1133         int updflag = false;
1134         switch (action) {
1135         // Normal chars
1136         case LFUN_SELFINSERT:
1137                 if (bv->buffer()->isReadonly()) {
1138 //          setErrorMessage(N_("Document is read only"));
1139                         break;
1140                 }
1141                 if (!arg.empty()) {
1142                         /* Automatically delete the currently selected
1143                          * text and replace it with what is being
1144                          * typed in now. Depends on lyxrc settings
1145                          * "auto_region_delete", which defaults to
1146                          * true (on). */
1147
1148                         setUndo(bv, Undo::INSERT,
1149                                 lt->cursor.par(), lt->cursor.par()->next());
1150                         bv->setState();
1151                         if (lyxrc.auto_region_delete) {
1152                                 if (lt->selection.set()) {
1153                                         lt->cutSelection(bv, false);
1154                                 }
1155                         }
1156                         lt->clearSelection();
1157                         for (string::size_type i = 0; i < arg.length(); ++i) {
1158                                 bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], lt);
1159                         }
1160                 }
1161                 lt->selection.cursor = lt->cursor;
1162                 updwhat = CURSOR_PAR;
1163                 updflag = true;
1164                 result = DISPATCHED_NOUPDATE;
1165                 break;
1166                 // --- Cursor Movements -----------------------------------
1167         case LFUN_RIGHTSEL:
1168                 finishUndo();
1169                 moveRight(bv, false, true);
1170                 lt->setSelection(bv);
1171                 updwhat = SELECTION;
1172                 break;
1173         case LFUN_RIGHT:
1174                 result = moveRight(bv);
1175                 finishUndo();
1176                 updwhat = CURSOR;
1177                 break;
1178         case LFUN_LEFTSEL:
1179                 finishUndo();
1180                 moveLeft(bv, false, true);
1181                 lt->setSelection(bv);
1182                 updwhat = SELECTION;
1183                 break;
1184         case LFUN_LEFT:
1185                 finishUndo();
1186                 result = moveLeft(bv);
1187                 updwhat = CURSOR;
1188                 break;
1189         case LFUN_DOWNSEL:
1190                 finishUndo();
1191                 moveDown(bv);
1192                 lt->setSelection(bv);
1193                 updwhat = SELECTION;
1194                 break;
1195         case LFUN_DOWN:
1196                 finishUndo();
1197                 result = moveDown(bv);
1198                 updwhat = CURSOR;
1199                 break;
1200         case LFUN_UPSEL:
1201                 finishUndo();
1202                 moveUp(bv);
1203                 lt->setSelection(bv);
1204                 updwhat = SELECTION;
1205                 break;
1206         case LFUN_UP:
1207                 finishUndo();
1208                 result = moveUp(bv);
1209                 updwhat = CURSOR;
1210                 break;
1211         case LFUN_HOME:
1212                 finishUndo();
1213                 lt->cursorHome(bv);
1214                 updwhat = CURSOR;
1215                 break;
1216         case LFUN_END:
1217                 lt->cursorEnd(bv);
1218                 updwhat = CURSOR;
1219                 break;
1220         case LFUN_BACKSPACE: {
1221                 setUndo(bv, Undo::DELETE,
1222                         lt->cursor.par(), lt->cursor.par()->next());
1223                 if (lt->selection.set())
1224                         lt->cutSelection(bv);
1225                 else
1226                         lt->backspace(bv);
1227                 updwhat = CURSOR_PAR;
1228                 updflag = true;
1229         }
1230         break;
1231
1232         case LFUN_DELETE: {
1233                 setUndo(bv, Undo::DELETE,
1234                         lt->cursor.par(), lt->cursor.par()->next());
1235                 if (lt->selection.set()) {
1236                         lt->cutSelection(bv);
1237                 } else {
1238                         lt->Delete(bv);
1239                 }
1240                 updwhat = CURSOR_PAR;
1241                 updflag = true;
1242         }
1243         break;
1244
1245         case LFUN_CUT: {
1246                 setUndo(bv, Undo::DELETE,
1247                         lt->cursor.par(), lt->cursor.par()->next());
1248                 lt->cutSelection(bv);
1249                 updwhat = CURSOR_PAR;
1250                 updflag = true;
1251         }
1252         break;
1253
1254         case LFUN_COPY:
1255                 finishUndo();
1256                 lt->copySelection(bv);
1257                 updwhat = CURSOR_PAR;
1258                 break;
1259         case LFUN_PASTESELECTION:
1260         {
1261                 string const clip(bv->getClipboard());
1262
1263                 if (clip.empty())
1264                         break;
1265                 if (arg == "paragraph") {
1266                         lt->insertStringAsParagraphs(bv, clip);
1267                 } else {
1268                         lt->insertStringAsLines(bv, clip);
1269                 }
1270                 updwhat = CURSOR_PAR;
1271                 updflag = true;
1272                 break;
1273         }
1274         case LFUN_PASTE: {
1275                 if (!autoBreakRows) {
1276
1277                         if (CutAndPaste::nrOfParagraphs() > 1) {
1278                                 Alert::alert(_("Impossible operation"),
1279                                                    _("Cannot include more than one paragraph!"),
1280                                                    _("Sorry."));
1281                                 break;
1282                         }
1283                 }
1284                 setUndo(bv, Undo::INSERT,
1285                         lt->cursor.par(), lt->cursor.par()->next());
1286                 lt->pasteSelection(bv);
1287                 updwhat = CURSOR_PAR;
1288                 updflag = true;
1289         }
1290         break;
1291
1292         case LFUN_BREAKPARAGRAPH:
1293                 if (!autoBreakRows) {
1294                         result = DISPATCHED;
1295                         break;
1296                 }
1297                 lt->breakParagraph(bv, 0);
1298                 updwhat = FULL;
1299                 updflag = true;
1300                 break;
1301         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1302                 if (!autoBreakRows) {
1303                         result = DISPATCHED;
1304                         break;
1305                 }
1306                 lt->breakParagraph(bv, 1);
1307                 updwhat = FULL;
1308                 updflag = true;
1309                 break;
1310
1311         case LFUN_BREAKLINE: {
1312                 if (!autoBreakRows) {
1313                         result = DISPATCHED;
1314                         break;
1315                 }
1316                 setUndo(bv, Undo::INSERT,
1317                         lt->cursor.par(), lt->cursor.par()->next());
1318                 lt->insertChar(bv, Paragraph::META_NEWLINE);
1319                 updwhat = CURSOR_PAR;
1320                 updflag = true;
1321         }
1322         break;
1323
1324         case LFUN_LAYOUT:
1325                 // do not set layouts on non breakable textinsets
1326                 if (autoBreakRows) {
1327                         string cur_layout = cpar(bv)->layout();
1328
1329                         // Derive layout number from given argument (string)
1330                         // and current buffer's textclass (number). */
1331                         textclass_type tclass = bv->buffer()->params.textclass;
1332                         string layout = arg;
1333                         bool hasLayout = textclasslist[tclass].hasLayout(layout);
1334
1335                         // If the entry is obsolete, use the new one instead.
1336                         if (hasLayout) {
1337                                 string const & obs =
1338                                         textclasslist[tclass][layout].
1339                                         obsoleted_by();
1340                                 if (!obs.empty())
1341                                         layout = obs;
1342                         }
1343
1344                         // see if we found the layout number:
1345                         if (!hasLayout) {
1346                                 string const msg = string(N_("Layout ")) + arg + N_(" not known");
1347                                 bv->owner()->getLyXFunc()->dispatch(LFUN_MESSAGE, msg);
1348                                 break;
1349                         }
1350
1351                         if (cur_layout != layout) {
1352                                 cur_layout = layout;
1353                                 lt->setLayout(bv, layout);
1354                                 bv->owner()->setLayout(cpar(bv)->layout());
1355                                 updwhat = CURSOR_PAR;
1356                                 updflag = true;
1357                         }
1358                 } else {
1359                         // reset the layout box
1360                         bv->owner()->setLayout(cpar(bv)->layout());
1361                 }
1362                 break;
1363         case LFUN_PARAGRAPH_SPACING:
1364                 // This one is absolutely not working. When fiddling with this
1365                 // it also seems to me that the paragraphs inside the insettext
1366                 // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1367         {
1368                 Paragraph * par = lt->cursor.par();
1369                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
1370                 float cur_value = 1.0;
1371                 if (cur_spacing == Spacing::Other) {
1372                         cur_value = par->params().spacing().getValue();
1373                 }
1374
1375                 istringstream istr(arg.c_str());
1376                 string tmp;
1377                 istr >> tmp;
1378                 Spacing::Space new_spacing = cur_spacing;
1379                 float new_value = cur_value;
1380                 if (tmp.empty()) {
1381                         lyxerr << "Missing argument to `paragraph-spacing'"
1382                                    << endl;
1383                 } else if (tmp == "single") {
1384                         new_spacing = Spacing::Single;
1385                 } else if (tmp == "onehalf") {
1386                         new_spacing = Spacing::Onehalf;
1387                 } else if (tmp == "double") {
1388                         new_spacing = Spacing::Double;
1389                 } else if (tmp == "other") {
1390                         new_spacing = Spacing::Other;
1391                         float tmpval = 0.0;
1392                         istr >> tmpval;
1393                         lyxerr << "new_value = " << tmpval << endl;
1394                         if (tmpval != 0.0)
1395                                 new_value = tmpval;
1396                 } else if (tmp == "default") {
1397                         new_spacing = Spacing::Default;
1398                 } else {
1399                         lyxerr << _("Unknown spacing argument: ")
1400                                    << arg << endl;
1401                 }
1402                 if (cur_spacing != new_spacing || cur_value != new_value) {
1403                         par->params().spacing(Spacing(new_spacing, new_value));
1404                         updwhat = CURSOR_PAR;
1405                         updflag = true;
1406                 }
1407         }
1408         break;
1409
1410         default:
1411                 if (!bv->Dispatch(action, arg))
1412                         result = UNDISPATCHED;
1413                 break;
1414         }
1415
1416         if (clear)
1417                 lt = 0;
1418         if (updwhat > 0)
1419                 updateLocal(bv, updwhat, updflag);
1420         /// If the action has deleted all text in the inset, we need to change the
1421         // language to the language of the surronding text.
1422         if (!was_empty && par->size() == 0 && !par->next()) {
1423                 LyXFont font(LyXFont::ALL_IGNORE);
1424                 font.setLanguage(bv->getParentLanguage(this));
1425                 setFont(bv, font, false);
1426         }
1427
1428         if (result < FINISHED) {
1429                 showInsetCursor(bv);
1430         } else
1431                 bv->unlockInset(this);
1432         return result;
1433 }
1434
1435
1436 int InsetText::latex(Buffer const * buf, ostream & os, bool, bool) const
1437 {
1438         TexRow texrow;
1439         buf->latexParagraphs(os, par, 0, texrow);
1440         return texrow.rows();
1441 }
1442
1443
1444 int InsetText::ascii(Buffer const * buf, ostream & os, int linelen) const
1445 {
1446         Paragraph * p = par;
1447         unsigned int lines = 0;
1448
1449         while (p) {
1450                 string const tmp = buf->asciiParagraph(p, linelen, p->previous()==0);
1451                 lines += lyx::count(tmp.begin(), tmp.end(), '\n');
1452                 os << tmp;
1453                 p = p->next();
1454         }
1455         return lines;
1456 }
1457
1458
1459 int InsetText::docbook(Buffer const * buf, ostream & os) const
1460 {
1461         Paragraph * p = par;
1462         unsigned int lines = 0;
1463
1464         vector<string> environment_stack(10);
1465         vector<string> environment_inner(10);
1466
1467         int const command_depth = 0;
1468         string item_name;
1469
1470         Paragraph::depth_type depth = 0; // paragraph depth
1471
1472         while (p) {
1473                 string sgmlparam;
1474                 int desc_on = 0; // description mode
1475
1476                 LyXLayout const & style =
1477                         textclasslist[buf->params.textclass][p->layout()];
1478
1479                 // environment tag closing
1480                 for (; depth > p->params().depth(); --depth) {
1481                         if (environment_inner[depth] != "!-- --") {
1482                                 item_name = "listitem";
1483                                 buf->sgmlCloseTag(os, command_depth + depth,
1484                                              item_name);
1485                                 if (environment_inner[depth] == "varlistentry")
1486                                         buf->sgmlCloseTag(os, depth+command_depth,
1487                                                      environment_inner[depth]);
1488                         }
1489                         buf->sgmlCloseTag(os, depth + command_depth,
1490                                      environment_stack[depth]);
1491                         environment_stack[depth].erase();
1492                         environment_inner[depth].erase();
1493                 }
1494
1495                 if (depth == p->params().depth()
1496                    && environment_stack[depth] != style.latexname()
1497                    && !environment_stack[depth].empty()) {
1498                         if (environment_inner[depth] != "!-- --") {
1499                                 item_name= "listitem";
1500                                 buf->sgmlCloseTag(os, command_depth+depth,
1501                                                   item_name);
1502                                 if (environment_inner[depth] == "varlistentry")
1503                                         buf->sgmlCloseTag(os,
1504                                                           depth + command_depth,
1505                                                           environment_inner[depth]);
1506                         }
1507
1508                         buf->sgmlCloseTag(os, depth + command_depth,
1509                                           environment_stack[depth]);
1510
1511                         environment_stack[depth].erase();
1512                         environment_inner[depth].erase();
1513                 }
1514
1515                 // Write opening SGML tags.
1516                 switch (style.latextype) {
1517                 case LATEX_PARAGRAPH:
1518                         buf->sgmlOpenTag(os, depth + command_depth,
1519                                          style.latexname());
1520                         break;
1521
1522                 case LATEX_COMMAND:
1523                         buf->sgmlError(p, 0,
1524                                        _("Error : LatexType Command not allowed here.\n"));
1525                         return -1;
1526                         break;
1527
1528                 case LATEX_ENVIRONMENT:
1529                 case LATEX_ITEM_ENVIRONMENT:
1530                         if (depth < p->params().depth()) {
1531                                 depth = p->params().depth();
1532                                 environment_stack[depth].erase();
1533                         }
1534
1535                         if (environment_stack[depth] != style.latexname()) {
1536                                 if (environment_stack.size() == depth + 1) {
1537                                         environment_stack.push_back("!-- --");
1538                                         environment_inner.push_back("!-- --");
1539                                 }
1540                                 environment_stack[depth] = style.latexname();
1541                                 environment_inner[depth] = "!-- --";
1542                                 buf->sgmlOpenTag(os, depth + command_depth,
1543                                                  environment_stack[depth]);
1544                         } else {
1545                                 if (environment_inner[depth] != "!-- --") {
1546                                         item_name= "listitem";
1547                                         buf->sgmlCloseTag(os,
1548                                                           command_depth + depth,
1549                                                           item_name);
1550                                         if (environment_inner[depth] == "varlistentry")
1551                                                 buf->sgmlCloseTag(os,
1552                                                                   depth + command_depth,
1553                                                                   environment_inner[depth]);
1554                                 }
1555                         }
1556
1557                         if (style.latextype == LATEX_ENVIRONMENT) {
1558                                 if (!style.latexparam().empty()) {
1559                                         if (style.latexparam() == "CDATA")
1560                                                 os << "<![CDATA[";
1561                                         else
1562                                                 buf->sgmlOpenTag(os, depth + command_depth,
1563                                                                  style.latexparam());
1564                                 }
1565                                 break;
1566                         }
1567
1568                         desc_on = (style.labeltype == LABEL_MANUAL);
1569
1570                         if (desc_on)
1571                                 environment_inner[depth]= "varlistentry";
1572                         else
1573                                 environment_inner[depth]= "listitem";
1574
1575                         buf->sgmlOpenTag(os, depth + 1 + command_depth,
1576                                          environment_inner[depth]);
1577
1578                         if (desc_on) {
1579                                 item_name= "term";
1580                                 buf->sgmlOpenTag(os, depth + 1 + command_depth,
1581                                                  item_name);
1582                         } else {
1583                                 item_name= "para";
1584                                 buf->sgmlOpenTag(os, depth + 1 + command_depth,
1585                                                  item_name);
1586                         }
1587                         break;
1588                 default:
1589                         buf->sgmlOpenTag(os, depth + command_depth,
1590                                          style.latexname());
1591                         break;
1592                 }
1593
1594                 buf->simpleDocBookOnePar(os, p, desc_on,
1595                                          depth + 1 + command_depth);
1596                 p = p->next();
1597
1598                 string end_tag;
1599                 // write closing SGML tags
1600                 switch (style.latextype) {
1601                 case LATEX_ENVIRONMENT:
1602                         if (!style.latexparam().empty()) {
1603                                 if (style.latexparam() == "CDATA")
1604                                         os << "]]>";
1605                                 else
1606                                         buf->sgmlCloseTag(os, depth + command_depth,
1607                                                           style.latexparam());
1608                         }
1609                         break;
1610                 case LATEX_ITEM_ENVIRONMENT:
1611                         if (desc_on == 1) break;
1612                         end_tag= "para";
1613                         buf->sgmlCloseTag(os, depth + 1 + command_depth, end_tag);
1614                         break;
1615                 case LATEX_PARAGRAPH:
1616                         buf->sgmlCloseTag(os, depth + command_depth, style.latexname());
1617                         break;
1618                 default:
1619                         buf->sgmlCloseTag(os, depth + command_depth, style.latexname());
1620                         break;
1621                 }
1622         }
1623
1624         // Close open tags
1625         for (int d = depth; d >= 0; --d) {
1626                 if (!environment_stack[depth].empty()) {
1627                         if (environment_inner[depth] != "!-- --") {
1628                                 item_name = "listitem";
1629                                 buf->sgmlCloseTag(os, command_depth + depth,
1630                                                   item_name);
1631                                if (environment_inner[depth] == "varlistentry")
1632                                        buf->sgmlCloseTag(os, depth + command_depth,
1633                                                          environment_inner[depth]);
1634                         }
1635
1636                         buf->sgmlCloseTag(os, depth + command_depth,
1637                                           environment_stack[depth]);
1638                 }
1639         }
1640
1641         return lines;
1642 }
1643
1644
1645 void InsetText::validate(LaTeXFeatures & features) const
1646 {
1647         Paragraph * p = par;
1648         while (p) {
1649                 p->validate(features);
1650                 p = p->next();
1651         }
1652 }
1653
1654
1655 int InsetText::beginningOfMainBody(Buffer const * buf, Paragraph * p) const
1656 {
1657         if (textclasslist[buf->params.textclass][p->layout()].labeltype != LABEL_MANUAL)
1658                 return 0;
1659         else
1660                 return p->beginningOfMainBody();
1661 }
1662
1663
1664 void InsetText::getCursorPos(BufferView * bv,
1665                              int & x, int & y) const
1666 {
1667         if (the_locking_inset) {
1668                 the_locking_inset->getCursorPos(bv, x, y);
1669                 return;
1670         }
1671         x = cx(bv);
1672         y = cy(bv);
1673 }
1674
1675
1676 unsigned int InsetText::insetInInsetY()
1677 {
1678         if (!the_locking_inset)
1679                 return 0;
1680
1681         return (inset_y + the_locking_inset->insetInInsetY());
1682 }
1683
1684
1685 void InsetText::toggleInsetCursor(BufferView * bv)
1686 {
1687         if (the_locking_inset) {
1688                 the_locking_inset->toggleInsetCursor(bv);
1689                 return;
1690         }
1691
1692         LyXFont const font(getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv)));
1693
1694         int const asc = lyxfont::maxAscent(font);
1695         int const desc = lyxfont::maxDescent(font);
1696
1697         if (isCursorVisible())
1698                 bv->hideLockedInsetCursor();
1699         else
1700                 bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1701         toggleCursorVisible();
1702 }
1703
1704
1705 void InsetText::showInsetCursor(BufferView * bv, bool show)
1706 {
1707         if (the_locking_inset) {
1708                 the_locking_inset->showInsetCursor(bv, show);
1709                 return;
1710         }
1711         if (!isCursorVisible()) {
1712                 LyXFont const font =
1713                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1714
1715                 int const asc = lyxfont::maxAscent(font);
1716                 int const desc = lyxfont::maxDescent(font);
1717
1718                 bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1719                 if (show)
1720                         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1721                 setCursorVisible(true);
1722         }
1723 }
1724
1725
1726 void InsetText::hideInsetCursor(BufferView * bv)
1727 {
1728         if (isCursorVisible()) {
1729                 bv->hideLockedInsetCursor();
1730                 setCursorVisible(false);
1731         }
1732         if (the_locking_inset)
1733                 the_locking_inset->hideInsetCursor(bv);
1734 }
1735
1736
1737 void InsetText::fitInsetCursor(BufferView * bv) const
1738 {
1739         if (the_locking_inset) {
1740                 the_locking_inset->fitInsetCursor(bv);
1741                 return;
1742         }
1743         LyXFont const font =
1744                 getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1745
1746         int const asc = lyxfont::maxAscent(font);
1747         int const desc = lyxfont::maxDescent(font);
1748
1749         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1750 }
1751
1752
1753 UpdatableInset::RESULT
1754 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1755 {
1756         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1757                 return moveLeftIntern(bv, false, activate_inset, selecting);
1758         else
1759                 return moveRightIntern(bv, false, activate_inset, selecting);
1760 }
1761
1762
1763 UpdatableInset::RESULT
1764 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1765 {
1766         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1767                 return moveRightIntern(bv, true, activate_inset, selecting);
1768         else
1769                 return moveLeftIntern(bv, true, activate_inset, selecting);
1770 }
1771
1772
1773 UpdatableInset::RESULT
1774 InsetText::moveRightIntern(BufferView * bv, bool behind,
1775                            bool activate_inset, bool selecting)
1776 {
1777         if (!cpar(bv)->next() && (cpos(bv) >= cpar(bv)->size()))
1778                 return FINISHED_RIGHT;
1779         if (activate_inset && checkAndActivateInset(bv, behind))
1780                 return DISPATCHED;
1781         getLyXText(bv)->cursorRight(bv);
1782         if (!selecting)
1783                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1784         return DISPATCHED_NOUPDATE;
1785 }
1786
1787
1788 UpdatableInset::RESULT
1789 InsetText::moveLeftIntern(BufferView * bv, bool behind,
1790                           bool activate_inset, bool selecting)
1791 {
1792         if (!cpar(bv)->previous() && (cpos(bv) <= 0))
1793                 return FINISHED;
1794         getLyXText(bv)->cursorLeft(bv);
1795         if (!selecting)
1796                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1797         if (activate_inset && checkAndActivateInset(bv, behind))
1798                 return DISPATCHED;
1799         return DISPATCHED_NOUPDATE;
1800 }
1801
1802
1803 UpdatableInset::RESULT
1804 InsetText::moveUp(BufferView * bv)
1805 {
1806         if (!crow(bv)->previous())
1807                 return FINISHED_UP;
1808         getLyXText(bv)->cursorUp(bv);
1809         return DISPATCHED_NOUPDATE;
1810 }
1811
1812
1813 UpdatableInset::RESULT
1814 InsetText::moveDown(BufferView * bv)
1815 {
1816         if (!crow(bv)->next())
1817                 return FINISHED_DOWN;
1818         getLyXText(bv)->cursorDown(bv);
1819         return DISPATCHED_NOUPDATE;
1820 }
1821
1822
1823 bool InsetText::insertInset(BufferView * bv, Inset * inset)
1824 {
1825         if (the_locking_inset) {
1826                 if (the_locking_inset->insetAllowed(inset))
1827                         return the_locking_inset->insertInset(bv, inset);
1828                 return false;
1829         }
1830         bool clear = false;
1831         if (!lt) {
1832                 lt = getLyXText(bv);
1833                 clear = true;
1834         }
1835         setUndo(bv, Undo::FINISH, lt->cursor.par(), lt->cursor.par()->next());
1836         freezeUndo();
1837         inset->setOwner(this);
1838         hideInsetCursor(bv);
1839         lt->insertInset(bv, inset);
1840         bv->fitCursor();
1841         if (clear)
1842                 lt = 0;
1843         updateLocal(bv, CURSOR_PAR|CURSOR, true);
1844         unFreezeUndo();
1845         return true;
1846 }
1847
1848
1849 bool InsetText::insetAllowed(Inset::Code code) const
1850 {
1851         // in_insetAllowed is a really gross hack,
1852         // to allow us to call the owner's insetAllowed
1853         // without stack overflow, which can happen
1854         // when the owner uses InsetCollapsable::insetAllowed()
1855         bool ret = true;
1856         if (in_insetAllowed)
1857                 return ret;
1858         in_insetAllowed = true;
1859         if (the_locking_inset)
1860                 ret = the_locking_inset->insetAllowed(code);
1861         else if (owner())
1862                 ret = owner()->insetAllowed(code);
1863         in_insetAllowed = false;
1864         return ret;
1865 }
1866
1867
1868 UpdatableInset * InsetText::getLockingInset() const
1869 {
1870         return the_locking_inset ? the_locking_inset->getLockingInset() :
1871                 const_cast<InsetText *>(this);
1872 }
1873
1874
1875 UpdatableInset * InsetText::getFirstLockingInsetOfType(Inset::Code c)
1876 {
1877         if (c == lyxCode())
1878                 return this;
1879         if (the_locking_inset)
1880                 return the_locking_inset->getFirstLockingInsetOfType(c);
1881         return 0;
1882 }
1883
1884
1885 bool InsetText::showInsetDialog(BufferView * bv) const
1886 {
1887         if (the_locking_inset)
1888                 return the_locking_inset->showInsetDialog(bv);
1889         return false;
1890 }
1891
1892
1893 vector<string> const InsetText::getLabelList() const
1894 {
1895         vector<string> label_list;
1896
1897         Paragraph * tpar = par;
1898         while (tpar) {
1899                 Paragraph::inset_iterator beg = tpar->inset_iterator_begin();
1900                 Paragraph::inset_iterator end = tpar->inset_iterator_end();
1901                 for (; beg != end; ++beg) {
1902                         vector<string> const l = (*beg)->getLabelList();
1903                         label_list.insert(label_list.end(), l.begin(), l.end());
1904                 }
1905                 tpar = tpar->next();
1906         }
1907         return label_list;
1908 }
1909
1910
1911 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
1912                         bool selectall)
1913 {
1914         if (the_locking_inset) {
1915                 the_locking_inset->setFont(bv, font, toggleall, selectall);
1916                 return;
1917         }
1918         if ((!par->next() && !par->size()) || !cpar(bv)->size()) {
1919                 getLyXText(bv)->setFont(bv, font, toggleall);
1920                 return;
1921         }
1922         bool clear = false;
1923         if (!lt) {
1924                 lt = getLyXText(bv);
1925                 clear = true;
1926         }
1927         if (lt->selection.set()) {
1928                 setUndo(bv, Undo::EDIT, lt->cursor.par(), lt->cursor.par()->next());
1929         }
1930         if (selectall)
1931                 selectAll(bv);
1932         lt->toggleFree(bv, font, toggleall);
1933         if (selectall)
1934                 lt->clearSelection();
1935         bv->fitCursor();
1936         bool flag = (selectall || lt->selection.set());
1937         if (clear)
1938                 lt = 0;
1939         if (flag)
1940                 updateLocal(bv, FULL, true);
1941         else
1942                 updateLocal(bv, CURSOR_PAR, true);
1943 }
1944
1945
1946 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1947 {
1948         if (cpar(bv)->isInset(cpos(bv))) {
1949                 unsigned int x;
1950                 unsigned int y;
1951                 Inset * inset =
1952                         static_cast<UpdatableInset*>(cpar(bv)->getInset(cpos(bv)));
1953                 if (!isHighlyEditableInset(inset))
1954                         return false;
1955                 LyXFont const font =
1956                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1957                 if (behind) {
1958                         x = inset->width(bv, font);
1959                         y = font.isRightToLeft() ? 0 : inset->descent(bv, font);
1960                 } else {
1961                         x = 0;
1962                         y = font.isRightToLeft() ? inset->descent(bv, font) : 0;
1963                 }
1964                 //inset_x = cx(bv) - top_x + drawTextXOffset;
1965                 //inset_y = cy(bv) + drawTextYOffset;
1966                 inset->edit(bv, x, y, 0);
1967                 if (!the_locking_inset)
1968                         return false;
1969                 updateLocal(bv, CURSOR, false);
1970                 return true;
1971         }
1972         return false;
1973 }
1974
1975
1976 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1977                                       int button)
1978 {
1979         x -= drawTextXOffset;
1980         int dummyx = x;
1981         int dummyy = y + insetAscent;
1982         Inset * inset = bv->checkInsetHit(getLyXText(bv), dummyx, dummyy);
1983
1984         if (inset) {
1985                 if (x < 0)
1986                         x = insetWidth;
1987                 if (y < 0)
1988                         y = insetDescent;
1989                 inset_x = cx(bv) - top_x + drawTextXOffset;
1990                 inset_y = cy(bv) + drawTextYOffset;
1991                 inset->edit(bv, x - inset_x, y - inset_y, button);
1992                 if (!the_locking_inset)
1993                         return false;
1994                 updateLocal(bv, CURSOR, false);
1995                 return true;
1996         }
1997         return false;
1998 }
1999
2000
2001 int InsetText::getMaxWidth(BufferView * bv, UpdatableInset const * inset) const
2002 {
2003 #if 0
2004         int w = UpdatableInset::getMaxWidth(bv, inset);
2005         if (w < 0) {
2006                 return -1;
2007         }
2008         if (owner()) {
2009                 w = w - top_x + owner()->x();
2010                 return w;
2011         }
2012         w -= (2 * TEXT_TO_INSET_OFFSET);
2013         return w - top_x;
2014 #else
2015         return UpdatableInset::getMaxWidth(bv, inset);
2016 #endif
2017 }
2018
2019
2020 void InsetText::setParagraphData(Paragraph * p, bool same_id)
2021 {
2022         // we have to unlock any locked inset otherwise we're in troubles
2023         the_locking_inset = 0;
2024         while (par) {
2025                 Paragraph * tmp = par->next();
2026                 delete par;
2027                 par = tmp;
2028         }
2029
2030         par = new Paragraph(*p, same_id);
2031         par->setInsetOwner(this);
2032         Paragraph * np = par;
2033         while (p->next()) {
2034                 p = p->next();
2035                 np->next(new Paragraph(*p, same_id));
2036                 np->next()->previous(np);
2037                 np = np->next();
2038                 np->setInsetOwner(this);
2039         }
2040         reinitLyXText();
2041         need_update = INIT;
2042 }
2043
2044
2045 void InsetText::setText(string const & data)
2046 {
2047         clear();
2048         LyXFont font(LyXFont::ALL_SANE);
2049         for (unsigned int i=0; i < data.length(); ++i)
2050                 par->insertChar(i, data[i], font);
2051 }
2052
2053
2054 void InsetText::setAutoBreakRows(bool flag)
2055 {
2056         if (flag != autoBreakRows) {
2057                 autoBreakRows = flag;
2058                 if (!flag)
2059                         removeNewlines();
2060                 need_update = INIT;
2061         }
2062 }
2063
2064
2065 void InsetText::setDrawFrame(BufferView * bv, DrawFrame how)
2066 {
2067         if (how != drawFrame_) {
2068                 drawFrame_ = how;
2069                 if (bv)
2070                         updateLocal(bv, DRAW_FRAME, false);
2071         }
2072 }
2073
2074
2075 void InsetText::setFrameColor(BufferView * bv, LColor::color col)
2076 {
2077         if (frame_color != col) {
2078                 frame_color = col;
2079                 if (bv)
2080                         updateLocal(bv, DRAW_FRAME, false);
2081         }
2082 }
2083
2084
2085 int InsetText::cx(BufferView * bv) const
2086 {
2087         // we do nothing dangerous so we use a local cache
2088         LyXText * llt = getLyXText(bv);
2089         int x = llt->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
2090         if (the_locking_inset) {
2091                 LyXFont font = llt->getFont(bv->buffer(), llt->cursor.par(),
2092                                             llt->cursor.pos());
2093                 if (font.isVisibleRightToLeft())
2094                         x -= the_locking_inset->width(bv, font);
2095         }
2096         return x;
2097 }
2098
2099
2100 int InsetText::cy(BufferView * bv) const
2101 {
2102         LyXFont font;
2103         return getLyXText(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
2104 }
2105
2106
2107 pos_type InsetText::cpos(BufferView * bv) const
2108 {
2109         return getLyXText(bv)->cursor.pos();
2110 }
2111
2112
2113 Paragraph * InsetText::cpar(BufferView * bv) const
2114 {
2115         return getLyXText(bv)->cursor.par();
2116 }
2117
2118
2119 bool InsetText::cboundary(BufferView * bv) const
2120 {
2121         return getLyXText(bv)->cursor.boundary();
2122 }
2123
2124
2125 Row * InsetText::crow(BufferView * bv) const
2126 {
2127         return getLyXText(bv)->cursor.row();
2128 }
2129
2130
2131 LyXText * InsetText::getLyXText(BufferView const * lbv,
2132                                 bool const recursive) const
2133 {
2134         if (cached_bview == lbv) {
2135                 if (recursive && the_locking_inset)
2136                         return the_locking_inset->getLyXText(lbv, true);
2137                 LyXText * lt = cached_text.get();
2138                 lyx::Assert(lt && lt->firstRow()->par() == par);
2139                 return lt;
2140         }
2141         // Super UGLY! (Lgb)
2142         BufferView * bv = const_cast<BufferView *>(lbv);
2143
2144         cached_bview = bv;
2145         Cache::iterator it = cache.find(bv);
2146
2147         if (it != cache.end()) {
2148                 if (do_reinit) {
2149                         reinitLyXText();
2150                 } else if (do_resize) {
2151                         resizeLyXText(do_resize);
2152                 } else {
2153                         if (lt || !it->second.remove) {
2154                                 lyx::Assert(it->second.text.get());
2155                                 cached_text = it->second.text;
2156                                 if (recursive && the_locking_inset) {
2157                                         return the_locking_inset->getLyXText(bv, true);
2158                                 }
2159                                 return cached_text.get();
2160                         } else if (it->second.remove) {
2161                                 if (locked) {
2162                                         saveLyXTextState(it->second.text.get());
2163                                 } else {
2164                                         sstate.lpar = 0;
2165                                 }
2166                         }
2167                         //
2168                         // when we have to reinit the existing LyXText!
2169                         //
2170                         it->second.text->init(bv);
2171                         restoreLyXTextState(bv, it->second.text.get());
2172                         it->second.remove = false;
2173                 }
2174                 cached_text = it->second.text;
2175                 if (the_locking_inset && recursive) {
2176                         return the_locking_inset->getLyXText(bv);
2177                 }
2178                 return cached_text.get();
2179         }
2180         ///
2181         // we are here only if we don't have a BufferView * in the cache!!!
2182         ///
2183         cached_text.reset(new LyXText(const_cast<InsetText *>(this)));
2184         cached_text->init(bv);
2185         restoreLyXTextState(bv, cached_text.get());
2186
2187         cache.insert(make_pair(bv, cached_text));
2188
2189         if (the_locking_inset && recursive) {
2190                 return the_locking_inset->getLyXText(bv);
2191         }
2192         return cached_text.get();
2193 }
2194
2195
2196 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
2197 {
2198         cached_bview = 0;
2199
2200         Cache::iterator it = cache.find(bv);
2201
2202         if (it == cache.end()) {
2203                 return;
2204         }
2205
2206         lyx::Assert(it->second.text.get());
2207
2208         it->second.remove = true;
2209         if (recursive) {
2210                 /// then remove all LyXText in text-insets
2211                 Paragraph * p = par;
2212                 for (; p; p = p->next()) {
2213                         p->deleteInsetsLyXText(bv);
2214                 }
2215         }
2216 }
2217
2218
2219 void InsetText::resizeLyXText(BufferView * bv, bool force) const
2220 {
2221         if (lt) {
2222                 // we cannot resize this because we are in use!
2223                 // so do this on the next possible getLyXText()
2224                 do_resize = bv;
2225                 return;
2226         }
2227         do_resize = 0;
2228 //      lyxerr << "InsetText::resizeLyXText\n";
2229         if (!par->next() && !par->size()) { // no data, resize not neccessary!
2230                 // we have to do this as a fixed width may have changed!
2231                 LyXText * t = getLyXText(bv);
2232                 saveLyXTextState(t);
2233                 t->init(bv, true);
2234                 restoreLyXTextState(bv, t);
2235                 return;
2236         }
2237         // one endless line, resize normally not necessary
2238         if (!force && getMaxWidth(bv, this) < 0)
2239                 return;
2240
2241         Cache::iterator it = cache.find(bv);
2242         if (it == cache.end()) {
2243                 return;
2244         }
2245         lyx::Assert(it->second.text.get());
2246
2247         LyXText * t = it->second.text.get();
2248         saveLyXTextState(t);
2249         for (Paragraph * p = par; p; p = p->next()) {
2250                 p->resizeInsetsLyXText(bv);
2251         }
2252         t->init(bv, true);
2253         restoreLyXTextState(bv, t);
2254         if (the_locking_inset) {
2255                 inset_x = cx(bv) - top_x + drawTextXOffset;
2256                 inset_y = cy(bv) + drawTextYOffset;
2257         }
2258
2259         if (bv->screen()) {
2260                 t->first_y = bv->screen()->topCursorVisible(t);
2261         }
2262         if (!owner()) {
2263                 updateLocal(bv, FULL, false);
2264                 // this will scroll the screen such that the cursor becomes visible
2265                 bv->updateScrollbar();
2266         } else {
2267                 need_update |= FULL;
2268         }
2269 }
2270
2271
2272 void InsetText::reinitLyXText() const
2273 {
2274         if (lt) {
2275                 // we cannot resize this because we are in use!
2276                 // so do this on the next possible getLyXText()
2277                 do_reinit = true;
2278                 return;
2279         }
2280         do_reinit = false;
2281         do_resize = 0;
2282 //      lyxerr << "InsetText::reinitLyXText\n";
2283         for(Cache::iterator it = cache.begin(); it != cache.end(); ++it) {
2284                 lyx::Assert(it->second.text.get());
2285
2286                 LyXText * t = it->second.text.get();
2287                 BufferView * bv = it->first;
2288
2289                 saveLyXTextState(t);
2290                 for (Paragraph * p = par; p; p = p->next()) {
2291                         p->resizeInsetsLyXText(bv);
2292                 }
2293                 t->init(bv, true);
2294                 restoreLyXTextState(bv, t);
2295                 if (the_locking_inset) {
2296                         inset_x = cx(bv) - top_x + drawTextXOffset;
2297                         inset_y = cy(bv) + drawTextYOffset;
2298                 }
2299                 if (bv->screen()) {
2300                         t->first_y = bv->screen()->topCursorVisible(t);
2301                 }
2302                 if (!owner()) {
2303                         updateLocal(bv, FULL, false);
2304                         // this will scroll the screen such that the cursor becomes visible
2305                         bv->updateScrollbar();
2306                 } else {
2307                         need_update = FULL;
2308                 }
2309         }
2310 }
2311
2312
2313 void InsetText::removeNewlines()
2314 {
2315         bool changed = false;
2316
2317         for (Paragraph * p = par; p; p = p->next()) {
2318                 for (int i = 0; i < p->size(); ++i) {
2319                         if (p->getChar(i) == Paragraph::META_NEWLINE) {
2320                                 changed = true;
2321                                 p->erase(i);
2322                         }
2323                 }
2324         }
2325         if (changed)
2326                 reinitLyXText();
2327 }
2328
2329
2330 bool InsetText::nodraw() const
2331 {
2332         if (the_locking_inset)
2333                 return the_locking_inset->nodraw();
2334         return UpdatableInset::nodraw();
2335 }
2336
2337
2338 int InsetText::scroll(bool recursive) const
2339 {
2340         int sx = UpdatableInset::scroll(false);
2341
2342         if (recursive && the_locking_inset)
2343                 sx += the_locking_inset->scroll(recursive);
2344
2345         return sx;
2346 }
2347
2348
2349 bool InsetText::doClearArea() const
2350 {
2351         return !locked || (need_update & (FULL|INIT));
2352 }
2353
2354
2355 void InsetText::selectAll(BufferView * bv)
2356 {
2357         getLyXText(bv)->cursorTop(bv);
2358         getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
2359         getLyXText(bv)->cursorBottom(bv);
2360         getLyXText(bv)->setSelection(bv);
2361 }
2362
2363
2364 void InsetText::clearSelection(BufferView * bv)
2365 {
2366         getLyXText(bv)->clearSelection();
2367 }
2368
2369
2370 void InsetText::clearInset(BufferView * bv, int baseline, bool & cleared) const
2371 {
2372         Painter & pain = bv->painter();
2373         int w = insetWidth;
2374         int h = insetAscent + insetDescent;
2375         int ty = baseline - insetAscent;
2376
2377         if (ty < 0) {
2378                 h += ty;
2379                 ty = 0;
2380         }
2381         if ((ty + h) > pain.paperHeight())
2382                 h = pain.paperHeight();
2383         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
2384                 w = pain.paperWidth();
2385 //      w -= TEXT_TO_INSET_OFFSET;
2386         pain.fillRectangle(top_x, ty, w+1, h+1, backgroundColor());
2387         cleared = true;
2388         need_update = FULL;
2389         frame_is_visible = false;
2390 }
2391
2392
2393 Paragraph * InsetText::getParFromID(int id) const
2394 {
2395 #if 0
2396         Paragraph * result = par;
2397         Paragraph * ires = 0;
2398         while (result && result->id() != id) {
2399                 if ((ires = result->getParFromID(id)))
2400                         return ires;
2401                 result = result->next();
2402         }
2403         return result;
2404 #else
2405         Paragraph * tmp = par;
2406         while (tmp) {
2407                 if (tmp->id() == id) {
2408                         return tmp;
2409                 }
2410                 Paragraph * tmp2 = tmp->getParFromID(id);
2411                 if (tmp2 != 0) {
2412                         return tmp2;
2413                 }
2414                 tmp = tmp->next();
2415         }
2416         return 0;
2417 #endif
2418 }
2419
2420
2421 Paragraph * InsetText::firstParagraph() const
2422 {
2423         Paragraph * result;
2424         if (the_locking_inset)
2425                 if ((result = the_locking_inset->firstParagraph()))
2426                         return result;
2427         return par;
2428 }
2429
2430
2431 Paragraph * InsetText::getFirstParagraph(int i) const
2432 {
2433         return (i == 0) ? par : 0;
2434 }
2435
2436
2437 LyXCursor const & InsetText::cursor(BufferView * bv) const
2438 {
2439                 if (the_locking_inset)
2440                                 return the_locking_inset->cursor(bv);
2441                 return getLyXText(bv)->cursor;
2442 }
2443
2444
2445 Paragraph * InsetText::paragraph() const
2446 {
2447         return par;
2448 }
2449
2450
2451 void InsetText::paragraph(Paragraph * p)
2452 {
2453         // GENERAL COMMENT: We don't have to free the old paragraphs as the
2454         // caller of this function has to take care of it. This IS important
2455         // as we could have to insert a paragraph before this one and just
2456         // link the actual to a new ones next and set it with this function
2457         // and are done!
2458         par = p;
2459         // set ourself as owner for all the paragraphs inserted!
2460         Paragraph * np = par;
2461         while (np) {
2462                 np->setInsetOwner(this);
2463                 np = np->next();
2464         }
2465         reinitLyXText();
2466         // redraw myself when asked for
2467         need_update = INIT;
2468 }
2469
2470
2471 Inset * InsetText::getInsetFromID(int id_arg) const
2472 {
2473         if (id_arg == id())
2474                 return const_cast<InsetText *>(this);
2475
2476         Paragraph * lp = par;
2477
2478         while (lp) {
2479                 for (Paragraph::inset_iterator it = lp->inset_iterator_begin(),
2480                          en = lp->inset_iterator_end();
2481                          it != en; ++it)
2482                 {
2483                         if ((*it)->id() == id_arg)
2484                                 return *it;
2485                         Inset * in = (*it)->getInsetFromID(id_arg);
2486                         if (in)
2487                                 return in;
2488                 }
2489                 lp = lp->next();
2490         }
2491         return 0;
2492 }
2493
2494
2495 string const InsetText::selectNextWordToSpellcheck(BufferView * bv, float & value) const
2496 {
2497         bool clear = false;
2498         string str;
2499
2500         if (!lt) {
2501                 lt = getLyXText(bv);
2502                 clear = true;
2503         }
2504         if (the_locking_inset) {
2505                 str = the_locking_inset->selectNextWordToSpellcheck(bv, value);
2506                 if (!str.empty()) {
2507                         value += cy(bv);
2508                         if (clear)
2509                                 lt = 0;
2510                         return str;
2511                 }
2512                 // we have to go on checking so move cusor to the next char
2513                 lt->cursor.pos(lt->cursor.pos() + 1);
2514         }
2515         str = lt->selectNextWordToSpellcheck(bv, value);
2516         if (str.empty())
2517                 bv->unlockInset(const_cast<InsetText *>(this));
2518         else
2519                 value = cy(bv);
2520         if (clear)
2521                 lt = 0;
2522         return str;
2523 }
2524
2525
2526 void InsetText::selectSelectedWord(BufferView * bv)
2527 {
2528         if (the_locking_inset) {
2529                 the_locking_inset->selectSelectedWord(bv);
2530                 return;
2531         }
2532         getLyXText(bv)->selectSelectedWord(bv);
2533         updateLocal(bv, SELECTION, false);
2534 }
2535
2536
2537 void InsetText::toggleSelection(BufferView * bv, bool kill_selection)
2538 {
2539         if (the_locking_inset) {
2540                 the_locking_inset->toggleSelection(bv, kill_selection);
2541         }
2542         bool clear = false;
2543         if (!lt) {
2544                 lt = getLyXText(bv);
2545                 clear = true;
2546         }
2547
2548         int x = top_x + TEXT_TO_INSET_OFFSET;
2549
2550         Row * row = lt->firstRow();
2551         int y_offset = top_baseline - row->ascent_of_text();
2552         int y = y_offset;
2553         while ((row != 0) && ((y+row->height()) <= 0)) {
2554                 y += row->height();
2555                 row = row->next();
2556         }
2557         if (y_offset < 0)
2558                 y_offset = y;
2559
2560         if (need_update & SELECTION)
2561                 need_update = NONE;
2562         bv->screen()->toggleSelection(lt, bv, kill_selection, y_offset, x);
2563         if (clear)
2564                 lt = 0;
2565 }
2566
2567
2568 bool InsetText::searchForward(BufferView * bv, string const & str,
2569                               bool cs, bool mw)
2570 {
2571         if (the_locking_inset) {
2572                 if (the_locking_inset->searchForward(bv, str, cs, mw))
2573                         return true;
2574                 bool clear = false;
2575                 if (!lt) {
2576                         lt = getLyXText(bv);
2577                         clear = true;
2578                 }
2579                 Paragraph * lpar = lt->cursor.par();
2580                 pos_type pos = lt->cursor.pos();
2581                 if (pos < lpar->size() - 1)
2582                         ++pos;
2583                 else {
2584                         pos = 0;
2585                         lpar = lpar->next();
2586                 }
2587                 if (!lpar) {
2588                         if (clear)
2589                                 lt = 0;
2590                         // we have to unlock ourself in this function by default!
2591                         bv->unlockInset(const_cast<InsetText *>(this));
2592                         return false;
2593                 }
2594                 lt->setCursor(bv, lpar, pos);
2595                 if (clear)
2596                         lt = 0;
2597         }
2598         if (LyXFind(bv, str, true, true, cs , mw)) {
2599                 return true;
2600         }
2601         // we have to unlock ourself in this function by default!
2602         bv->unlockInset(const_cast<InsetText *>(this));
2603         return false;
2604 }
2605
2606 bool InsetText::searchBackward(BufferView * bv, string const & str,
2607                                bool cs, bool mw)
2608 {
2609         if (the_locking_inset)
2610                 if (the_locking_inset->searchBackward(bv, str, cs, mw))
2611                         return true;
2612         if (LyXFind(bv, str, false, true, cs, mw)) {
2613                 return true;
2614         }
2615         // we have to unlock ourself in this function by default!
2616         bv->unlockInset(const_cast<InsetText *>(this));
2617         return false;
2618 }
2619
2620
2621 bool InsetText::checkInsertChar(LyXFont & font)
2622 {
2623         if (owner())
2624                 return owner()->checkInsertChar(font);
2625         return true;
2626 }
2627
2628
2629 void InsetText::collapseParagraphs(BufferParams const & bparams) const
2630 {
2631         while(par->next()) {
2632                 if (!par->isSeparator(par->size()-1))
2633                         par->insertChar(par->size()-1, ' ');
2634                 par->pasteParagraph(bparams);
2635         }
2636         reinitLyXText();
2637 }
2638
2639
2640 void InsetText::getDrawFont(LyXFont & font) const
2641 {
2642         if (!owner())
2643                 return;
2644         owner()->getDrawFont(font);
2645 }