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 "layout.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 "WorkArea.h"
  40 #include "gettext.h"
  41 #include "lyxfunc.h"
  42 #include "ParagraphParameters.h"
  43 #include "undo_funcs.h"
  44 #include "lyxfind.h"
  45
  46 #include "frontends/Alert.h"
  47
  48 #include "support/textutils.h"
  49 #include "support/LAssert.h"
  50 #include "support/lstrings.h"
  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
  65 using lyx::pos_type;
  66 using lyx::layout_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()
 138         : UpdatableInset(), lt(0), in_update(false), do_resize(0),
 139           do_reinit(false)
 140 {
 141         par = new Paragraph;
 142         init();
 143 }
 144
 145
 146 InsetText::InsetText(InsetText const & in, bool same_id)
 147         : UpdatableInset(in, same_id), lt(0), in_update(false), do_resize(0),
 148           do_reinit(false)
 149 {
 150         par = 0;
 151         init(&in, same_id);
 152 }
 153
 154
 155 InsetText & InsetText::operator=(InsetText const & it)
 156 {
 157         init(&it);
 158         return * this;
 159 }
 160
 161
 162 void InsetText::init(InsetText const * ins, bool same_id)
 163 {
 164         if (ins) {
 165                 setParagraphData(ins->par, same_id);
 166                 autoBreakRows = ins->autoBreakRows;
 167                 drawFrame_ = ins->drawFrame_;
 168                 frame_color = ins->frame_color;
 169                 if (same_id)
 170                         id_ = ins->id_;
 171         } else {
 172                 Paragraph * p = par;
 173                 while (p) {
 174                         p->setInsetOwner(this);
 175                         p = p->next();
 176                 }
 177                 the_locking_inset = 0;
 178                 drawFrame_ = NEVER;
 179                 frame_color = LColor::insetframe;
 180                 autoBreakRows = false;
 181         }
 182         top_y = 0;
 183         insetAscent = 0;
 184         insetDescent = 0;
 185         insetWidth = 0;
 186         old_max_width = 0;
 187         no_selection = false;
 188         need_update = FULL;
 189         drawTextXOffset = 0;
 190         drawTextYOffset = 0;
 191         xpos = 0.0;
 192         locked = false;
 193         old_par = 0;
 194         last_drawn_width = -1;
 195         frame_is_visible = false;
 196         cached_bview = 0;
 197         sstate.lpar = 0;
 198         in_insetAllowed = false;
 199 }
 200
 201
 202 InsetText::~InsetText()
 203 {
 204         cached_bview = 0;
 205
 206         // NOTE
 207
 208         while (par) {
 209                 Paragraph * tmp = par->next();
 210                 delete par;
 211                 par = tmp;
 212         }
 213 }
 214
 215
 216 void InsetText::clear()
 217 {
 218         while (par) {
 219                 Paragraph * tmp = par->next();
 220                 delete par;
 221                 par = tmp;
 222         }
 223         par = new Paragraph;
 224         reinitLyXText();
 225         need_update = INIT;
 226 }
 227
 228
 229 Inset * InsetText::clone(Buffer const &, bool same_id) const
 230 {
 231         return  new InsetText(*this, same_id);
 232 }
 233
 234
 235 void InsetText::write(Buffer const * buf, ostream & os) const
 236 {
 237         os << "Text\n";
 238         writeParagraphData(buf, os);
 239 }
 240
 241
 242 void InsetText::writeParagraphData(Buffer const * buf, ostream & os) const
 243 {
 244         par->writeFile(buf, os, buf->params, 0);
 245 }
 246
 247
 248 void InsetText::read(Buffer const * buf, LyXLex & lex)
 249 {
 250         string token;
 251         int pos = 0;
 252         Paragraph * return_par = 0;
 253         Paragraph::depth_type depth = 0;
 254         LyXFont font(LyXFont::ALL_INHERIT);
 255
 256         clear();
 257
 258         while (lex.isOK()) {
 259                 lex.nextToken();
 260                 token = lex.getString();
 261                 if (token.empty())
 262                         continue;
 263                 if (token == "\\end_inset") {
 264 #ifndef NO_COMPABILITY
 265                         const_cast<Buffer*>(buf)->insertErtContents(par, pos, font, false);
 266 #endif
 267                         break;
 268                 }
 269
 270                 if (const_cast<Buffer*>(buf)->
 271                         parseSingleLyXformat2Token(lex, par, return_par,
 272                                                    token, pos, depth, font)) {
 273                         // the_end read this should NEVER happen
 274                         lex.printError("\\the_end read in inset! Error in document!");
 275                         return;
 276                 }
 277         }
 278         if (!return_par)
 279                 return_par = par;
 280         par = return_par;
 281         while (return_par) {
 282                 return_par->setInsetOwner(this);
 283                 return_par = return_par->next();
 284         }
 285
 286         if (token != "\\end_inset") {
 287                 lex.printError("Missing \\end_inset at this point. "
 288                                            "Read: `$$Token'");
 289         }
 290         need_update = FULL;
 291 }
 292
 293
 294 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 295 {
 296         insetAscent = getLyXText(bv)->firstRow()->ascent_of_text() +
 297                 TEXT_TO_INSET_OFFSET;
 298         return insetAscent;
 299 }
 300
 301
 302 int InsetText::descent(BufferView * bv, LyXFont const &) const
 303 {
 304         LyXText * llt = getLyXText(bv);
 305         insetDescent = llt->height - llt->firstRow()->ascent_of_text() +
 306                 TEXT_TO_INSET_OFFSET;
 307         return insetDescent;
 308 }
 309
 310
 311 int InsetText::width(BufferView * bv, LyXFont const &) const
 312 {
 313         insetWidth = max(textWidth(bv), (int)getLyXText(bv)->width) +
 314                 (2 * TEXT_TO_INSET_OFFSET);
 315         insetWidth = max(insetWidth, 10);
 316         return insetWidth;
 317 }
 318
 319
 320 int InsetText::textWidth(BufferView * bv, bool fordraw) const
 321 {
 322         int w;
 323         if (!autoBreakRows) {
 324                 w = -1;
 325         } else {
 326                 w = getMaxWidth(bv, this);
 327         }
 328         if (fordraw) {
 329                 return max(w - (2 * TEXT_TO_INSET_OFFSET),
 330                            (int)getLyXText(bv)->width);
 331         } else if (w < 0) {
 332             return -1;
 333         }
 334         return w - (2 * TEXT_TO_INSET_OFFSET);
 335 }
 336
 337
 338 void InsetText::draw(BufferView * bv, LyXFont const & f,
 339                      int baseline, float & x, bool cleared) const
 340 {
 341         if (nodraw())
 342                 return;
 343
 344         Painter & pain = bv->painter();
 345
 346         // this is the first thing we have to ask because if the x pos
 347         // changed we have to do a complete rebreak of the text as we
 348         // may have few space to draw in. Well we should check on this too
 349         int old_x = top_x;
 350         if (top_x != int(x)) {
 351                 top_x = int(x);
 352                 int nw = getMaxWidth(bv, this);
 353                 if (nw > 0 && old_max_width != nw) {
 354                         need_update = INIT;
 355                         old_max_width = nw;
 356                         bv->text->status(bv, LyXText::CHANGED_IN_DRAW);
 357                         topx_set = true;
 358                         return;
 359                 } else {
 360                         top_x = old_x;
 361                 }
 362         }
 363
 364         // repaint the background if needed
 365         if (cleared && backgroundColor() != LColor::background) {
 366                 top_x = int(x);
 367                 clearInset(bv, baseline, cleared);
 368                 top_x = old_x;
 369         }
 370
 371         // no draw is necessary !!!
 372         if ((drawFrame_ == LOCKED) && !locked && !par->size()) {
 373                 top_x = int(x);
 374                 topx_set = true;
 375                 top_baseline = baseline;
 376                 x += width(bv, f);
 377                 if (need_update & CLEAR_FRAME)
 378                         clearFrame(pain, cleared);
 379                 need_update = NONE;
 380                 return;
 381         }
 382
 383         xpos = x;
 384         if (!owner())
 385                 x += static_cast<float>(scroll());
 386
 387         // if top_x differs we did it already
 388         if (!cleared && (top_x == int(x))
 389             && ((need_update&(INIT|FULL)) || (top_baseline != baseline)
 390                 ||(last_drawn_width != insetWidth))) {
 391                 clearInset(bv, baseline, cleared);
 392         }
 393
 394         top_x = int(x);
 395         topx_set = true;
 396         if (cleared)
 397                 frame_is_visible = false;
 398
 399         if (!cleared && (need_update == NONE)) {
 400                 if (locked)
 401                         drawFrame(pain, cleared);
 402                 return;
 403         }
 404
 405         // call these methods so that insetWidth, insetAscent and
 406         // insetDescent have the right values.
 407         width(bv, f);
 408         ascent(bv, f);
 409         descent(bv, f);
 410
 411         top_baseline = baseline;
 412         top_y = baseline - insetAscent;
 413
 414         if (last_drawn_width != insetWidth) {
 415                 if (!cleared)
 416                         clearInset(bv, baseline, cleared);
 417                 need_update |= FULL;
 418                 last_drawn_width = insetWidth;
 419         }
 420
 421         if (the_locking_inset && (cpar(bv) == inset_par)
 422                 && (cpos(bv) == inset_pos)) {
 423                 inset_x = cx(bv) - top_x + drawTextXOffset;
 424                 inset_y = cy(bv) + drawTextYOffset;
 425         }
 426         if (!cleared && (need_update == CURSOR)
 427             && !getLyXText(bv)->selection.set()) {
 428                 drawFrame(pain, cleared);
 429                 x += insetWidth;
 430                 need_update = NONE;
 431                 return;
 432         }
 433         bool clear = false;
 434         if (!lt) {
 435                 lt = getLyXText(bv);
 436                 clear = true;
 437         }
 438         x += TEXT_TO_INSET_OFFSET;
 439
 440         Row * row = lt->firstRow();
 441         int y_offset = baseline - row->ascent_of_text();
 442         int ph = pain.paperHeight();
 443         int first = 0;
 444         int y = y_offset;
 445         while ((row != 0) && ((y+row->height()) <= 0)) {
 446                 y += row->height();
 447                 first += row->height();
 448                 row = row->next();
 449         }
 450         if (y_offset < 0)
 451                 y_offset = y;
 452         lt->first = first;
 453         if (cleared || (need_update&(INIT|FULL))) {
 454                 int yf = y_offset;
 455                 y = 0;
 456                 while ((row != 0) && (yf < ph)) {
 457                         lt->getVisibleRow(bv, y+y_offset, int(x), row,
 458                                                 y+first, cleared);
 459                         y += row->height();
 460                         yf += row->height();
 461                         row = row->next();
 462                 }
 463         } else if (!locked) {
 464                 if (need_update & CURSOR) {
 465                         bv->screen()->toggleSelection(lt, bv, true, y_offset,int(x));
 466                         lt->clearSelection();
 467                         lt->selection.cursor = lt->cursor;
 468                 }
 469                 bv->screen()->update(lt, bv, y_offset, int(x));
 470         } else {
 471                 locked = false;
 472                 if (need_update & SELECTION) {
 473                         bv->screen()->toggleToggle(lt, bv, y_offset, int(x));
 474                 } else if (need_update & CURSOR) {
 475                         bv->screen()->toggleSelection(lt, bv, true, y_offset,int(x));
 476                         lt->clearSelection();
 477                         lt->selection.cursor = lt->cursor;
 478                 }
 479                 bv->screen()->update(lt, bv, y_offset, int(x));
 480                 locked = true;
 481         }
 482
 483         lt->refresh_y = 0;
 484         lt->status(bv, LyXText::UNCHANGED);
 485         if ((need_update != CURSOR_PAR) &&
 486             ((drawFrame_ == ALWAYS) || ((drawFrame_ == LOCKED) && locked))) {
 487                 drawFrame(pain, cleared);
 488         } else if (need_update & CLEAR_FRAME) {
 489                 clearFrame(pain, cleared);
 490         }
 491
 492         x += insetWidth - TEXT_TO_INSET_OFFSET;
 493
 494         if (bv->text->status() == LyXText::CHANGED_IN_DRAW) {
 495                 need_update |= FULL;
 496         } else if (need_update != INIT) {
 497                 need_update = NONE;
 498         }
 499         if (clear)
 500                 lt = 0;
 501 }
 502
 503
 504 void InsetText::drawFrame(Painter & pain, bool cleared) const
 505 {
 506         static int const ttoD2 = TEXT_TO_INSET_OFFSET / 2;
 507         if (!frame_is_visible || cleared) {
 508                 frame_x = top_x + ttoD2;
 509                 frame_y = top_baseline - insetAscent + ttoD2;
 510                 frame_w = insetWidth - TEXT_TO_INSET_OFFSET;
 511                 frame_h = insetAscent + insetDescent - TEXT_TO_INSET_OFFSET;
 512                 pain.rectangle(frame_x, frame_y,
 513                                frame_w, frame_h,
 514                                frame_color);
 515                 frame_is_visible = true;
 516         }
 517 }
 518
 519
 520 void InsetText::clearFrame(Painter & pain, bool cleared) const
 521 {
 522         if (frame_is_visible) {
 523                 if (!cleared) {
 524                         pain.rectangle(frame_x, frame_y, frame_w, frame_h,
 525                                        backgroundColor());
 526                 }
 527                 frame_is_visible = false;
 528         }
 529 }
 530
 531
 532 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 533 {
 534         if (in_update) {
 535                 if (reinit && owner()) {
 536                         reinitLyXText();
 537                         owner()->update(bv, font, true);
 538                 }
 539                 return;
 540         }
 541         in_update = true;
 542         if (reinit || need_update == INIT) {
 543                 need_update = FULL;
 544                 // we should put this call where we set need_update to INIT!
 545                 reinitLyXText();
 546                 if (owner())
 547                         owner()->update(bv, font, true);
 548                 in_update = false;
 549                 return;
 550         }
 551         if (the_locking_inset) {
 552                 inset_x = cx(bv) - top_x + drawTextXOffset;
 553                 inset_y = cy(bv) + drawTextYOffset;
 554                 the_locking_inset->update(bv, font, reinit);
 555         }
 556
 557         bool clear = false;
 558         if (!lt) {
 559                 lt = getLyXText(bv);
 560                 clear = true;
 561         }
 562         if ((need_update & CURSOR_PAR) && (lt->status() == LyXText::UNCHANGED) &&
 563                 the_locking_inset)
 564         {
 565                 lt->updateInset(bv, the_locking_inset);
 566         }
 567         if (lt->status() == LyXText::NEED_MORE_REFRESH)
 568                 need_update |= FULL;
 569         if (clear)
 570                 lt = 0;
 571         in_update = false;
 572 }
 573
 574
 575 void InsetText::setUpdateStatus(BufferView * bv, int what) const
 576 {
 577         // this does nothing dangerous so use only a localized buffer
 578         LyXText * llt = getLyXText(bv);
 579
 580         need_update |= what;
 581         // we have to redraw us full if our LyXText NEEDS_MORE_REFRES or
 582         // if we don't break row so that we only have one row to update!
 583         if ((llt->status() == LyXText::NEED_MORE_REFRESH) ||
 584             (!autoBreakRows &&
 585              (llt->status() == LyXText::NEED_VERY_LITTLE_REFRESH)))
 586         {
 587                 need_update |= FULL;
 588         } else if (llt->status() == LyXText::NEED_VERY_LITTLE_REFRESH) {
 589                 need_update |= CURSOR_PAR;
 590         }
 591
 592         // this to not draw a selection when we redraw all of it!
 593         if (need_update & CURSOR && !(need_update & SELECTION)) {
 594                 if (llt->selection.set())
 595                         need_update = FULL;
 596                 llt->clearSelection();
 597         }
 598 }
 599
 600
 601 void InsetText::updateLocal(BufferView * bv, int what, bool mark_dirty) const
 602 {
 603         if (!autoBreakRows && par->next())
 604                 collapseParagraphs(bv->buffer()->params);
 605         bool clear = false;
 606         if (!lt) {
 607                 lt = getLyXText(bv);
 608                 clear = true;
 609         }
 610         lt->fullRebreak(bv);
 611         setUpdateStatus(bv, what);
 612         bool flag = (((need_update != CURSOR) && (need_update != NONE)) ||
 613                      (lt->status() != LyXText::UNCHANGED) || lt->selection.set());
 614         if (clear)
 615                 lt = 0;
 616         if (flag)
 617                 bv->updateInset(const_cast<InsetText *>(this), mark_dirty);
 618         if (need_update == CURSOR)
 619                 need_update = NONE;
 620         bv->owner()->showState();
 621         if (old_par != cpar(bv)) {
 622                 bv->owner()->setLayout(cpar(bv)->getLayout());
 623                 old_par = cpar(bv);
 624         }
 625 }
 626
 627
 628 string const InsetText::editMessage() const
 629 {
 630         return _("Opened Text Inset");
 631 }
 632
 633
 634 void InsetText::edit(BufferView * bv, int x, int y, unsigned int button)
 635 {
 636         UpdatableInset::edit(bv, x, y, button);
 637
 638         if (!bv->lockInset(this)) {
 639                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 640                 return;
 641         }
 642         locked = true;
 643         the_locking_inset = 0;
 644         inset_pos = inset_x = inset_y = 0;
 645         inset_boundary = false;
 646         inset_par = 0;
 647         old_par = 0;
 648         int tmp_y = (y < 0) ? 0 : y;
 649         bool clear = false;
 650         if (!lt) {
 651                 lt = getLyXText(bv);
 652                 clear = true;
 653         }
 654         if (!checkAndActivateInset(bv, x, tmp_y, button))
 655                 lt->setCursorFromCoordinates(bv, x - drawTextXOffset,
 656                                             y + insetAscent);
 657         lt->clearSelection();
 658         finishUndo();
 659         // If the inset is empty set the language of the current font to the
 660         // language to the surronding text (if different).
 661         if (par->size() == 0 && !par->next() &&
 662                 bv->getParentLanguage(this) != lt->current_font.language())
 663         {
 664                 LyXFont font(LyXFont::ALL_IGNORE);
 665                 font.setLanguage(bv->getParentLanguage(this));
 666                 setFont(bv, font, false);
 667         }
 668         showInsetCursor(bv);
 669         if (clear)
 670                 lt = 0;
 671         updateLocal(bv, CURSOR, false);
 672 }
 673
 674
 675 void InsetText::edit(BufferView * bv, bool front)
 676 {
 677         UpdatableInset::edit(bv, front);
 678
 679         if (!bv->lockInset(this)) {
 680                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 681                 return;
 682         }
 683         locked = true;
 684         the_locking_inset = 0;
 685         inset_pos = inset_x = inset_y = 0;
 686         inset_boundary = false;
 687         inset_par = 0;
 688         old_par = 0;
 689         bool clear = false;
 690         if (!lt) {
 691                 lt = getLyXText(bv);
 692                 clear = true;
 693         }
 694         if (front)
 695                 lt->setCursor(bv, par, 0);
 696         else {
 697                 Paragraph * p = par;
 698                 while (p->next())
 699                         p = p->next();
 700 //              int const pos = (p->size() ? p->size()-1 : p->size());
 701                 lt->setCursor(bv, p, p->size());
 702         }
 703         lt->clearSelection();
 704         finishUndo();
 705         // If the inset is empty set the language of the current font to the
 706         // language to the surronding text (if different).
 707         if (par->size() == 0 && !par->next() &&
 708                 bv->getParentLanguage(this) != lt->current_font.language()) {
 709                 LyXFont font(LyXFont::ALL_IGNORE);
 710                 font.setLanguage(bv->getParentLanguage(this));
 711                 setFont(bv, font, false);
 712         }
 713         showInsetCursor(bv);
 714         if (clear)
 715                 lt = 0;
 716         updateLocal(bv, CURSOR, false);
 717 }
 718
 719
 720 void InsetText::insetUnlock(BufferView * bv)
 721 {
 722         if (the_locking_inset) {
 723                 the_locking_inset->insetUnlock(bv);
 724                 the_locking_inset = 0;
 725         }
 726         hideInsetCursor(bv);
 727         no_selection = false;
 728         locked = false;
 729         int code;
 730         if (drawFrame_ == LOCKED)
 731                 code = CURSOR|CLEAR_FRAME;
 732         else
 733                 code = CURSOR;
 734         bool clear = false;
 735         if (!lt) {
 736                 lt = getLyXText(bv);
 737                 clear = true;
 738         }
 739         if (lt->selection.set()) {
 740                 lt->clearSelection();
 741                 code = FULL;
 742         } else if (owner()) {
 743                 bv->owner()->setLayout(owner()->getLyXText(bv)
 744                                        ->cursor.par()->getLayout());
 745         } else
 746                 bv->owner()->setLayout(bv->text->cursor.par()->getLayout());
 747         // hack for deleteEmptyParMech
 748         lt->setCursor(bv, par, 0);
 749         if (clear)
 750                 lt = 0;
 751         updateLocal(bv, code, false);
 752 }
 753
 754 void InsetText::lockInset(BufferView * bv, UpdatableInset * inset)
 755 {
 756         the_locking_inset = inset;
 757         inset_x = cx(bv) - top_x + drawTextXOffset;
 758         inset_y = cy(bv) + drawTextYOffset;
 759         inset_pos = cpos(bv);
 760         inset_par = cpar(bv);
 761         inset_boundary = cboundary(bv);
 762         updateLocal(bv, CURSOR, false);
 763 }
 764
 765
 766 bool InsetText::lockInsetInInset(BufferView * bv, UpdatableInset * inset)
 767 {
 768         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 769                               << inset << "): ";
 770         if (!inset)
 771                 return false;
 772         if (!the_locking_inset) {
 773                 Paragraph * p = par;
 774                 int const id = inset->id();
 775                 while(p) {
 776                         Paragraph::inset_iterator it =
 777                                 p->inset_iterator_begin();
 778                         Paragraph::inset_iterator const end =
 779                                 p->inset_iterator_end();
 780                         for (; it != end; ++it) {
 781                                 if ((*it) == inset) {
 782                                         getLyXText(bv)->setCursorIntern(bv, p, it.getPos());
 783                                         lockInset(bv, inset);
 784                                         return true;
 785                                 }
 786                                 if ((*it)->getInsetFromID(id)) {
 787                                         lockInset(bv, static_cast<UpdatableInset *>(*it));
 788                                         return the_locking_inset->lockInsetInInset(bv, inset);
 789                                 }
 790                         }
 791                         p = p->next();
 792                 }
 793                 return false;
 794         }
 795         if (inset == cpar(bv)->getInset(cpos(bv))) {
 796                 lyxerr[Debug::INSETS] << "OK" << endl;
 797                 lockInset(bv, inset);
 798                 return true;
 799         } else if (the_locking_inset && (the_locking_inset == inset)) {
 800                 if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 801                         lyxerr[Debug::INSETS] << "OK" << endl;
 802                         inset_x = cx(bv) - top_x + drawTextXOffset;
 803                         inset_y = cy(bv) + drawTextYOffset;
 804                 } else {
 805                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 806                 }
 807         } else if (the_locking_inset) {
 808                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 809                 return the_locking_inset->lockInsetInInset(bv, inset);
 810         }
 811         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 812         return false;
 813 }
 814
 815
 816 bool InsetText::unlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 817                                    bool lr)
 818 {
 819         if (!the_locking_inset)
 820                 return false;
 821         if (the_locking_inset == inset) {
 822                 the_locking_inset->insetUnlock(bv);
 823                 getLyXText(bv)->updateInset(bv, inset);
 824                 the_locking_inset = 0;
 825                 if (lr)
 826                         moveRight(bv, false);
 827                 old_par = 0; // force layout setting
 828                 if (scroll())
 829                         scroll(bv, 0.0F);
 830                 else
 831                         updateLocal(bv, CURSOR, false);
 832                 return true;
 833         }
 834         return the_locking_inset->unlockInsetInInset(bv, inset, lr);
 835 }
 836
 837
 838 bool InsetText::updateInsetInInset(BufferView * bv, Inset * inset)
 839 {
 840         if (!autoBreakRows && par->next())
 841                 collapseParagraphs(bv->buffer()->params);
 842         if (inset == this)
 843                 return true;
 844         bool clear = false;
 845         if (!lt) {
 846                 lt = getLyXText(bv);
 847                 clear = true;
 848         }
 849         if (!the_locking_inset) {
 850                 bool found = lt->updateInset(bv, inset);
 851                 if (clear)
 852                         lt = 0;
 853                 if (found)
 854                         setUpdateStatus(bv, NONE);
 855                 return found;
 856         }
 857         if (the_locking_inset != inset) {
 858                 bool found = the_locking_inset->updateInsetInInset(bv, inset);
 859                 if (clear)
 860                         lt = 0;
 861                 if (found)
 862                         setUpdateStatus(bv, CURSOR_PAR);
 863                 return found;
 864         }
 865         bool found = lt->updateInset(bv, inset);
 866         if (clear)
 867                 lt = 0;
 868         if (found) {
 869                 setUpdateStatus(bv, CURSOR_PAR);
 870                 if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 871                         inset_x = cx(bv) - top_x + drawTextXOffset;
 872                         inset_y = cy(bv) + drawTextYOffset;
 873                 }
 874         }
 875         return found;
 876 }
 877
 878
 879 void InsetText::insetButtonPress(BufferView * bv, int x, int y, int button)
 880 {
 881         no_selection = true;
 882
 883         // use this to check mouse motion for selection!
 884         mouse_x = x;
 885         mouse_y = y;
 886
 887         int tmp_x = x - drawTextXOffset;
 888         int tmp_y = y + insetAscent - getLyXText(bv)->first;
 889         Inset * inset = bv->checkInsetHit(getLyXText(bv), tmp_x, tmp_y);
 890
 891         hideInsetCursor(bv);
 892         if (the_locking_inset) {
 893                 if (the_locking_inset == inset) {
 894                         the_locking_inset->insetButtonPress(bv,
 895                                                             x - inset_x,
 896                                                             y - inset_y,
 897                                                             button);
 898                         no_selection = false;
 899                         return;
 900                 } else if (inset) {
 901                         // otherwise unlock the_locking_inset and lock the new inset
 902                         the_locking_inset->insetUnlock(bv);
 903                         inset_x = cx(bv) - top_x + drawTextXOffset;
 904                         inset_y = cy(bv) + drawTextYOffset;
 905                         the_locking_inset = static_cast<UpdatableInset*>(inset);
 906                         inset->insetButtonPress(bv, x - inset_x,
 907                                                 y - inset_y, button);
 908                         inset->edit(bv, x - inset_x, y - inset_y, button);
 909                         if (the_locking_inset)
 910                                 updateLocal(bv, CURSOR, false);
 911                         no_selection = false;
 912                         return;
 913                 }
 914                 // otherwise only unlock the_locking_inset
 915                 the_locking_inset->insetUnlock(bv);
 916                 the_locking_inset = 0;
 917         }
 918         if (bv->theLockingInset()) {
 919                 if (isHighlyEditableInset(inset)) {
 920                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 921                         inset_x = cx(bv) - top_x + drawTextXOffset;
 922                         inset_y = cy(bv) + drawTextYOffset;
 923                         inset_pos = cpos(bv);
 924                         inset_par = cpar(bv);
 925                         inset_boundary = cboundary(bv);
 926                         the_locking_inset = uinset;
 927                         uinset->insetButtonPress(bv, x - inset_x, y - inset_y,
 928                                                  button);
 929                         uinset->edit(bv, x - inset_x, y - inset_y, 0);
 930                         if (the_locking_inset)
 931                                 updateLocal(bv, CURSOR, false);
 932                         no_selection = false;
 933                         return;
 934                 }
 935         }
 936         if (!inset) { // && (button == 2)) {
 937                 bool paste_internally = false;
 938                 if ((button == 2) && getLyXText(bv)->selection.set()) {
 939                         localDispatch(bv, LFUN_COPY, "");
 940                         paste_internally = true;
 941                 }
 942                 bool clear = false;
 943                 if (!lt) {
 944                         lt = getLyXText(bv);
 945                         clear = true;
 946                 }
 947
 948                 lt->setCursorFromCoordinates(bv, x - drawTextXOffset,
 949                                              y + insetAscent);
 950                 // set the selection cursor!
 951                 lt->selection.cursor = lt->cursor;
 952                 lt->cursor.x_fix(lt->cursor.x());
 953
 954                 if (lt->selection.set()) {
 955                         lt->clearSelection();
 956                         if (clear)
 957                                 lt = 0;
 958                         updateLocal(bv, FULL, false);
 959                 } else {
 960                         lt->clearSelection();
 961                         if (clear)
 962                                 lt = 0;
 963                 }
 964                 bv->owner()->setLayout(cpar(bv)->getLayout());
 965                 old_par = cpar(bv);
 966                 // Insert primary selection with middle mouse
 967                 // if there is a local selection in the current buffer,
 968                 // insert this
 969                 if (button == 2) {
 970                         if (paste_internally)
 971                                 localDispatch(bv, LFUN_PASTE, "");
 972                         else
 973                                 localDispatch(bv, LFUN_PASTESELECTION,
 974                                               "paragraph");
 975                 }
 976         } else {
 977                 getLyXText(bv)->clearSelection();
 978         }
 979         showInsetCursor(bv);
 980         no_selection = false;
 981 }
 982
 983
 984 bool InsetText::insetButtonRelease(BufferView * bv, int x, int y, int button)
 985 {
 986         if (the_locking_inset) {
 987                 return the_locking_inset->insetButtonRelease(bv,
 988                                                              x - inset_x, y - inset_y,
 989                                                              button);
 990         }
 991         int tmp_x = x - drawTextXOffset;
 992         int tmp_y = y + insetAscent - getLyXText(bv)->first;
 993         Inset * inset = bv->checkInsetHit(getLyXText(bv), tmp_x, tmp_y);
 994         bool ret = false;
 995         if (inset) {
 996                 if (isHighlyEditableInset(inset)) {
 997                         ret = inset->insetButtonRelease(bv, x - inset_x,
 998                                                         y - inset_y, button);
 999                 } else {
1000                         inset_x = cx(bv) - top_x + drawTextXOffset;
1001                         inset_y = cy(bv) + drawTextYOffset;
1002                         ret = inset->insetButtonRelease(bv, x - inset_x,
1003                                                         y - inset_y, button);
1004                         inset->edit(bv, x - inset_x,
1005                                     y - inset_y, button);
1006                 }
1007                 updateLocal(bv, CURSOR_PAR, false);
1008         }
1009         return ret;
1010 }
1011
1012
1013 void InsetText::insetMotionNotify(BufferView * bv, int x, int y, int state)
1014 {
1015         if (no_selection || ((mouse_x == x) && (mouse_y == y)))
1016                 return;
1017         if (the_locking_inset) {
1018                 the_locking_inset->insetMotionNotify(bv, x - inset_x,
1019                                                      y - inset_y,state);
1020                 return;
1021         }
1022         bool clear = false;
1023         if (!lt) {
1024                 lt = getLyXText(bv);
1025                 clear = true;
1026         }
1027         hideInsetCursor(bv);
1028         LyXCursor cur = lt->cursor;
1029         lt->setCursorFromCoordinates(bv, x - drawTextXOffset, y + insetAscent);
1030         if (cur == lt->cursor) {
1031                 if (clear)
1032                         lt = 0;
1033                 return;
1034         }
1035         lt->setSelection(bv);
1036         bool flag = (lt->toggle_cursor.par() != lt->toggle_end_cursor.par() ||
1037                                  lt->toggle_cursor.pos() != lt->toggle_end_cursor.pos());
1038         if (clear)
1039                 lt = 0;
1040         if (flag) {
1041                 updateLocal(bv, SELECTION, false);
1042         }
1043         showInsetCursor(bv);
1044 }
1045
1046
1047 void InsetText::insetKeyPress(XKeyEvent * xke)
1048 {
1049         if (the_locking_inset) {
1050                 the_locking_inset->insetKeyPress(xke);
1051                 return;
1052         }
1053 }
1054
1055
1056 UpdatableInset::RESULT
1057 InsetText::localDispatch(BufferView * bv,
1058                          kb_action action, string const & arg)
1059 {
1060         bool was_empty = par->size() == 0 && !par->next();
1061         no_selection = false;
1062         UpdatableInset::RESULT
1063                 result= UpdatableInset::localDispatch(bv, action, arg);
1064         if (result != UNDISPATCHED) {
1065                 return DISPATCHED;
1066         }
1067
1068         result = DISPATCHED;
1069         if ((action < 0) && arg.empty())
1070                 return FINISHED;
1071
1072         if (the_locking_inset) {
1073                 result = the_locking_inset->localDispatch(bv, action, arg);
1074                 if (result == DISPATCHED_NOUPDATE)
1075                         return result;
1076                 else if (result == DISPATCHED) {
1077                         updateLocal(bv, CURSOR_PAR, false);
1078                         return result;
1079                 } else if (result >= FINISHED) {
1080                         switch(result) {
1081                         case FINISHED_RIGHT:
1082                                 moveRightIntern(bv, false, false);
1083                                 result = DISPATCHED;
1084                                 break;
1085                         case FINISHED_UP:
1086                                 if ((result = moveUp(bv)) >= FINISHED) {
1087                                         updateLocal(bv, CURSOR, false);
1088                                         bv->unlockInset(this);
1089                                 }
1090                                 break;
1091                         case FINISHED_DOWN:
1092                                 if ((result = moveDown(bv)) >= FINISHED) {
1093                                         updateLocal(bv, CURSOR, false);
1094                                         bv->unlockInset(this);
1095                                 }
1096                                 break;
1097                         default:
1098                                 result = DISPATCHED;
1099                                 break;
1100                         }
1101                         the_locking_inset = 0;
1102 #ifdef WITH_WARNINGS
1103 #warning I changed this to always return Dispatched maybe it is wrong (20011001 Jug)
1104 #endif
1105                         return result;
1106                 }
1107         }
1108         hideInsetCursor(bv);
1109         bool clear = false;
1110         if (!lt) {
1111                 lt = getLyXText(bv);
1112                 clear = true;
1113         }
1114         int updwhat = 0;
1115         int updflag = false;
1116         switch (action) {
1117         // Normal chars
1118         case LFUN_SELFINSERT:
1119                 if (bv->buffer()->isReadonly()) {
1120 //          setErrorMessage(N_("Document is read only"));
1121                         break;
1122                 }
1123                 if (!arg.empty()) {
1124                         /* Automatically delete the currently selected
1125                          * text and replace it with what is being
1126                          * typed in now. Depends on lyxrc settings
1127                          * "auto_region_delete", which defaults to
1128                          * true (on). */
1129
1130                         setUndo(bv, Undo::INSERT,
1131                                 lt->cursor.par(), lt->cursor.par()->next());
1132                         bv->setState();
1133                         if (lyxrc.auto_region_delete) {
1134                                 if (lt->selection.set()) {
1135                                         lt->cutSelection(bv, false);
1136                                 }
1137                         }
1138                         lt->clearSelection();
1139                         for (string::size_type i = 0; i < arg.length(); ++i) {
1140                                 bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], lt);
1141                         }
1142                 }
1143                 lt->selection.cursor = lt->cursor;
1144                 updwhat = CURSOR_PAR;
1145                 updflag = true;
1146                 result = DISPATCHED_NOUPDATE;
1147                 break;
1148                 // --- Cursor Movements -----------------------------------
1149         case LFUN_RIGHTSEL:
1150                 finishUndo();
1151                 moveRight(bv, false, true);
1152                 lt->setSelection(bv);
1153                 updwhat = SELECTION;
1154                 break;
1155         case LFUN_RIGHT:
1156                 result = moveRight(bv);
1157                 finishUndo();
1158                 updwhat = CURSOR;
1159                 break;
1160         case LFUN_LEFTSEL:
1161                 finishUndo();
1162                 moveLeft(bv, false, true);
1163                 lt->setSelection(bv);
1164                 updwhat = SELECTION;
1165                 break;
1166         case LFUN_LEFT:
1167                 finishUndo();
1168                 result = moveLeft(bv);
1169                 updwhat = CURSOR;
1170                 break;
1171         case LFUN_DOWNSEL:
1172                 finishUndo();
1173                 moveDown(bv);
1174                 lt->setSelection(bv);
1175                 updwhat = SELECTION;
1176                 break;
1177         case LFUN_DOWN:
1178                 finishUndo();
1179                 result = moveDown(bv);
1180                 updwhat = CURSOR;
1181                 break;
1182         case LFUN_UPSEL:
1183                 finishUndo();
1184                 moveUp(bv);
1185                 lt->setSelection(bv);
1186                 updwhat = SELECTION;
1187                 break;
1188         case LFUN_UP:
1189                 finishUndo();
1190                 result = moveUp(bv);
1191                 updwhat = CURSOR;
1192                 break;
1193         case LFUN_HOME:
1194                 finishUndo();
1195                 lt->cursorHome(bv);
1196                 updwhat = CURSOR;
1197                 break;
1198         case LFUN_END:
1199                 lt->cursorEnd(bv);
1200                 updwhat = CURSOR;
1201                 break;
1202         case LFUN_BACKSPACE: {
1203                 setUndo(bv, Undo::DELETE,
1204                         lt->cursor.par(), lt->cursor.par()->next());
1205                 if (lt->selection.set())
1206                         lt->cutSelection(bv);
1207                 else
1208                         lt->backspace(bv);
1209                 updwhat = CURSOR_PAR;
1210                 updflag = true;
1211         }
1212         break;
1213
1214         case LFUN_DELETE: {
1215                 setUndo(bv, Undo::DELETE,
1216                         lt->cursor.par(), lt->cursor.par()->next());
1217                 if (lt->selection.set()) {
1218                         lt->cutSelection(bv);
1219                 } else {
1220                         lt->Delete(bv);
1221                 }
1222                 updwhat = CURSOR_PAR;
1223                 updflag = true;
1224         }
1225         break;
1226
1227         case LFUN_CUT: {
1228                 setUndo(bv, Undo::DELETE,
1229                         lt->cursor.par(), lt->cursor.par()->next());
1230                 lt->cutSelection(bv);
1231                 updwhat = CURSOR_PAR;
1232                 updflag = true;
1233         }
1234         break;
1235
1236         case LFUN_COPY:
1237                 finishUndo();
1238                 lt->copySelection(bv);
1239                 updwhat = CURSOR_PAR;
1240                 break;
1241         case LFUN_PASTESELECTION:
1242         {
1243                 string const clip(bv->getClipboard());
1244
1245                 if (clip.empty())
1246                         break;
1247                 if (arg == "paragraph") {
1248                         lt->insertStringAsParagraphs(bv, clip);
1249                 } else {
1250                         lt->insertStringAsLines(bv, clip);
1251                 }
1252                 updwhat = CURSOR_PAR;
1253                 updflag = true;
1254                 break;
1255         }
1256         case LFUN_PASTE: {
1257                 if (!autoBreakRows) {
1258
1259                         if (CutAndPaste::nrOfParagraphs() > 1) {
1260                                 Alert::alert(_("Impossible operation"),
1261                                                    _("Cannot include more than one paragraph!"),
1262                                                    _("Sorry."));
1263                                 break;
1264                         }
1265                 }
1266                 setUndo(bv, Undo::INSERT,
1267                         lt->cursor.par(), lt->cursor.par()->next());
1268                 lt->pasteSelection(bv);
1269                 updwhat = CURSOR_PAR;
1270                 updflag = true;
1271         }
1272         break;
1273
1274         case LFUN_BREAKPARAGRAPH:
1275                 if (!autoBreakRows) {
1276                         result = DISPATCHED;
1277                         break;
1278                 }
1279                 lt->breakParagraph(bv, 0);
1280                 updwhat = FULL;
1281                 updflag = true;
1282                 break;
1283         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1284                 if (!autoBreakRows) {
1285                         result = DISPATCHED;
1286                         break;
1287                 }
1288                 lt->breakParagraph(bv, 1);
1289                 updwhat = FULL;
1290                 updflag = true;
1291                 break;
1292
1293         case LFUN_BREAKLINE: {
1294                 if (!autoBreakRows) {
1295                         result = DISPATCHED;
1296                         break;
1297                 }
1298                 setUndo(bv, Undo::INSERT,
1299                         lt->cursor.par(), lt->cursor.par()->next());
1300                 lt->insertChar(bv, Paragraph::META_NEWLINE);
1301                 updwhat = CURSOR_PAR;
1302                 updflag = true;
1303         }
1304         break;
1305
1306         case LFUN_LAYOUT:
1307                 // do not set layouts on non breakable textinsets
1308                 if (autoBreakRows) {
1309                         layout_type cur_layout = cpar(bv)->layout;
1310
1311                         // Derive layout number from given argument (string)
1312                         // and current buffer's textclass (number). */
1313                         textclass_type tclass = bv->buffer()->params.textclass;
1314                         std::pair <bool, layout_type> layout =
1315                                 textclasslist.NumberOfLayout(tclass, arg);
1316
1317                         // If the entry is obsolete, use the new one instead.
1318                         if (layout.first) {
1319                                 string obs = textclasslist.Style(tclass,layout.second).
1320                                         obsoleted_by();
1321                                 if (!obs.empty())
1322                                         layout = textclasslist.NumberOfLayout(tclass, obs);
1323                         }
1324
1325                         // see if we found the layout number:
1326                         if (!layout.first) {
1327                                 string const msg = string(N_("Layout ")) + arg + N_(" not known");
1328                                 bv->owner()->getLyXFunc()->dispatch(LFUN_MESSAGE, msg);
1329                                 break;
1330                         }
1331
1332                         if (cur_layout != layout.second) {
1333                                 cur_layout = layout.second;
1334                                 lt->setLayout(bv, layout.second);
1335                                 bv->owner()->setLayout(cpar(bv)->getLayout());
1336                                 updwhat = CURSOR_PAR;
1337                                 updflag = true;
1338                         }
1339                 } else {
1340                         // reset the layout box
1341                         bv->owner()->setLayout(cpar(bv)->getLayout());
1342                 }
1343                 break;
1344         case LFUN_PARAGRAPH_SPACING:
1345                 // This one is absolutely not working. When fiddling with this
1346                 // it also seems to me that the paragraphs inside the insettext
1347                 // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1348         {
1349                 Paragraph * par = lt->cursor.par();
1350                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
1351                 float cur_value = 1.0;
1352                 if (cur_spacing == Spacing::Other) {
1353                         cur_value = par->params().spacing().getValue();
1354                 }
1355
1356                 istringstream istr(arg.c_str());
1357                 string tmp;
1358                 istr >> tmp;
1359                 Spacing::Space new_spacing = cur_spacing;
1360                 float new_value = cur_value;
1361                 if (tmp.empty()) {
1362                         lyxerr << "Missing argument to `paragraph-spacing'"
1363                                    << endl;
1364                 } else if (tmp == "single") {
1365                         new_spacing = Spacing::Single;
1366                 } else if (tmp == "onehalf") {
1367                         new_spacing = Spacing::Onehalf;
1368                 } else if (tmp == "double") {
1369                         new_spacing = Spacing::Double;
1370                 } else if (tmp == "other") {
1371                         new_spacing = Spacing::Other;
1372                         float tmpval = 0.0;
1373                         istr >> tmpval;
1374                         lyxerr << "new_value = " << tmpval << endl;
1375                         if (tmpval != 0.0)
1376                                 new_value = tmpval;
1377                 } else if (tmp == "default") {
1378                         new_spacing = Spacing::Default;
1379                 } else {
1380                         lyxerr << _("Unknown spacing argument: ")
1381                                    << arg << endl;
1382                 }
1383                 if (cur_spacing != new_spacing || cur_value != new_value) {
1384                         par->params().spacing(Spacing(new_spacing, new_value));
1385                         updwhat = CURSOR_PAR;
1386                         updflag = true;
1387                 }
1388         }
1389         break;
1390
1391         default:
1392                 if (!bv->Dispatch(action, arg))
1393                         result = UNDISPATCHED;
1394                 break;
1395         }
1396
1397         if (clear)
1398                 lt = 0;
1399         if (updwhat > 0)
1400                 updateLocal(bv, updwhat, updflag);
1401         /// If the action has deleted all text in the inset, we need to change the
1402         // language to the language of the surronding text.
1403         if (!was_empty && par->size() == 0 && !par->next()) {
1404                 LyXFont font(LyXFont::ALL_IGNORE);
1405                 font.setLanguage(bv->getParentLanguage(this));
1406                 setFont(bv, font, false);
1407         }
1408
1409         if (result < FINISHED) {
1410                 showInsetCursor(bv);
1411         } else
1412                 bv->unlockInset(this);
1413         return result;
1414 }
1415
1416
1417 int InsetText::latex(Buffer const * buf, ostream & os, bool, bool) const
1418 {
1419         TexRow texrow;
1420         buf->latexParagraphs(os, par, 0, texrow);
1421         return texrow.rows();
1422 }
1423
1424
1425 int InsetText::ascii(Buffer const * buf, ostream & os, int linelen) const
1426 {
1427         Paragraph * p = par;
1428         unsigned int lines = 0;
1429
1430         while (p) {
1431                 string const tmp = buf->asciiParagraph(p, linelen);
1432                 lines += countChar(tmp, '\n');
1433                 os << tmp;
1434                 p = p->next();
1435         }
1436         return lines;
1437 }
1438
1439
1440 int InsetText::docbook(Buffer const * buf, ostream & os) const
1441 {
1442         Paragraph * p = par;
1443         unsigned int lines = 0;
1444
1445         vector<string> environment_stack(10);
1446         vector<string> environment_inner(10);
1447
1448         int const command_depth = 0;
1449         string item_name;
1450
1451         Paragraph::depth_type depth = 0; // paragraph depth
1452
1453         while (p) {
1454                 string sgmlparam;
1455                 int desc_on = 0; // description mode
1456
1457                 LyXLayout const & style =
1458                         textclasslist.Style(buf->params.textclass,
1459                                             p->layout);
1460
1461                 // environment tag closing
1462                 for (; depth > p->params().depth(); --depth) {
1463                         if (environment_inner[depth] != "!-- --") {
1464                                 item_name = "listitem";
1465                                 buf->sgmlCloseTag(os, command_depth + depth,
1466                                              item_name);
1467                                 if (environment_inner[depth] == "varlistentry")
1468                                         buf->sgmlCloseTag(os, depth+command_depth,
1469                                                      environment_inner[depth]);
1470                         }
1471                         buf->sgmlCloseTag(os, depth + command_depth,
1472                                      environment_stack[depth]);
1473                         environment_stack[depth].erase();
1474                         environment_inner[depth].erase();
1475                 }
1476
1477                 if (depth == p->params().depth()
1478                    && environment_stack[depth] != style.latexname()
1479                    && !environment_stack[depth].empty()) {
1480                         if (environment_inner[depth] != "!-- --") {
1481                                 item_name= "listitem";
1482                                 buf->sgmlCloseTag(os, command_depth+depth,
1483                                                   item_name);
1484                                 if (environment_inner[depth] == "varlistentry")
1485                                         buf->sgmlCloseTag(os,
1486                                                           depth + command_depth,
1487                                                           environment_inner[depth]);
1488                         }
1489
1490                         buf->sgmlCloseTag(os, depth + command_depth,
1491                                           environment_stack[depth]);
1492
1493                         environment_stack[depth].erase();
1494                         environment_inner[depth].erase();
1495                 }
1496
1497                 // Write opening SGML tags.
1498                 switch (style.latextype) {
1499                 case LATEX_PARAGRAPH:
1500                         buf->sgmlOpenTag(os, depth + command_depth,
1501                                          style.latexname());
1502                         break;
1503
1504                 case LATEX_COMMAND:
1505                         buf->sgmlError(p, 0,
1506                                        _("Error : LatexType Command not allowed here.\n"));
1507                         return -1;
1508                         break;
1509
1510                 case LATEX_ENVIRONMENT:
1511                 case LATEX_ITEM_ENVIRONMENT:
1512                         if (depth < p->params().depth()) {
1513                                 depth = p->params().depth();
1514                                 environment_stack[depth].erase();
1515                         }
1516
1517                         if (environment_stack[depth] != style.latexname()) {
1518                                 if(environment_stack.size() == depth + 1) {
1519                                         environment_stack.push_back("!-- --");
1520                                         environment_inner.push_back("!-- --");
1521                                 }
1522                                 environment_stack[depth] = style.latexname();
1523                                 environment_inner[depth] = "!-- --";
1524                                 buf->sgmlOpenTag(os, depth + command_depth,
1525                                                  environment_stack[depth]);
1526                         } else {
1527                                 if (environment_inner[depth] != "!-- --") {
1528                                         item_name= "listitem";
1529                                         buf->sgmlCloseTag(os,
1530                                                           command_depth + depth,
1531                                                           item_name);
1532                                         if (environment_inner[depth] == "varlistentry")
1533                                                 buf->sgmlCloseTag(os,
1534                                                                   depth + command_depth,
1535                                                                   environment_inner[depth]);
1536                                 }
1537                         }
1538
1539                         if (style.latextype == LATEX_ENVIRONMENT) {
1540                                 if (!style.latexparam().empty()) {
1541                                         if(style.latexparam() == "CDATA")
1542                                                 os << "<![CDATA[";
1543                                         else
1544                                                 buf->sgmlOpenTag(os, depth + command_depth,
1545                                                                  style.latexparam());
1546                                 }
1547                                 break;
1548                         }
1549
1550                         desc_on = (style.labeltype == LABEL_MANUAL);
1551
1552                         if (desc_on)
1553                                 environment_inner[depth]= "varlistentry";
1554                         else
1555                                 environment_inner[depth]= "listitem";
1556
1557                         buf->sgmlOpenTag(os, depth + 1 + command_depth,
1558                                          environment_inner[depth]);
1559
1560                         if (desc_on) {
1561                                 item_name= "term";
1562                                 buf->sgmlOpenTag(os, depth + 1 + command_depth,
1563                                                  item_name);
1564                         } else {
1565                                 item_name= "para";
1566                                 buf->sgmlOpenTag(os, depth + 1 + command_depth,
1567                                                  item_name);
1568                         }
1569                         break;
1570                 default:
1571                         buf->sgmlOpenTag(os, depth + command_depth,
1572                                          style.latexname());
1573                         break;
1574                 }
1575
1576                 buf->simpleDocBookOnePar(os, p, desc_on,
1577                                          depth + 1 + command_depth);
1578                 p = p->next();
1579
1580                 string end_tag;
1581                 // write closing SGML tags
1582                 switch (style.latextype) {
1583                 case LATEX_ENVIRONMENT:
1584                         if (!style.latexparam().empty()) {
1585                                 if(style.latexparam() == "CDATA")
1586                                         os << "]]>";
1587                                 else
1588                                         buf->sgmlCloseTag(os, depth + command_depth,
1589                                                           style.latexparam());
1590                         }
1591                         break;
1592                 case LATEX_ITEM_ENVIRONMENT:
1593                         if (desc_on == 1) break;
1594                         end_tag= "para";
1595                         buf->sgmlCloseTag(os, depth + 1 + command_depth, end_tag);
1596                         break;
1597                 case LATEX_PARAGRAPH:
1598                         buf->sgmlCloseTag(os, depth + command_depth, style.latexname());
1599                         break;
1600                 default:
1601                         buf->sgmlCloseTag(os, depth + command_depth, style.latexname());
1602                         break;
1603                 }
1604         }
1605
1606         // Close open tags
1607         for (int d = depth; d >= 0; --d) {
1608                 if (!environment_stack[depth].empty()) {
1609                         if (environment_inner[depth] != "!-- --") {
1610                                 item_name = "listitem";
1611                                 buf->sgmlCloseTag(os, command_depth + depth,
1612                                                   item_name);
1613                                if (environment_inner[depth] == "varlistentry")
1614                                        buf->sgmlCloseTag(os, depth + command_depth,
1615                                                          environment_inner[depth]);
1616                         }
1617
1618                         buf->sgmlCloseTag(os, depth + command_depth,
1619                                           environment_stack[depth]);
1620                 }
1621         }
1622
1623         return lines;
1624 }
1625
1626
1627 void InsetText::validate(LaTeXFeatures & features) const
1628 {
1629         Paragraph * p = par;
1630         while (p) {
1631                 p->validate(features);
1632                 p = p->next();
1633         }
1634 }
1635
1636
1637 int InsetText::beginningOfMainBody(Buffer const * buf, Paragraph * p) const
1638 {
1639         if (textclasslist.Style(buf->params.textclass,
1640                                 p->getLayout()).labeltype != LABEL_MANUAL)
1641                 return 0;
1642         else
1643                 return p->beginningOfMainBody();
1644 }
1645
1646
1647 void InsetText::getCursorPos(BufferView * bv,
1648                              int & x, int & y) const
1649 {
1650         if (the_locking_inset) {
1651                 the_locking_inset->getCursorPos(bv, x, y);
1652                 return;
1653         }
1654         x = cx(bv);
1655         y = cy(bv);
1656 }
1657
1658
1659 unsigned int InsetText::insetInInsetY()
1660 {
1661         if (!the_locking_inset)
1662                 return 0;
1663
1664         return (inset_y + the_locking_inset->insetInInsetY());
1665 }
1666
1667
1668 void InsetText::toggleInsetCursor(BufferView * bv)
1669 {
1670         if (the_locking_inset) {
1671                 the_locking_inset->toggleInsetCursor(bv);
1672                 return;
1673         }
1674
1675         LyXFont const font(getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv)));
1676
1677         int const asc = lyxfont::maxAscent(font);
1678         int const desc = lyxfont::maxDescent(font);
1679
1680         if (isCursorVisible())
1681                 bv->hideLockedInsetCursor();
1682         else
1683                 bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1684         toggleCursorVisible();
1685 }
1686
1687
1688 void InsetText::showInsetCursor(BufferView * bv, bool show)
1689 {
1690         if (the_locking_inset) {
1691                 the_locking_inset->showInsetCursor(bv, show);
1692                 return;
1693         }
1694         if (!isCursorVisible()) {
1695                 LyXFont const font =
1696                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1697
1698                 int const asc = lyxfont::maxAscent(font);
1699                 int const desc = lyxfont::maxDescent(font);
1700
1701                 bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1702                 if (show)
1703                         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1704                 setCursorVisible(true);
1705         }
1706 }
1707
1708
1709 void InsetText::hideInsetCursor(BufferView * bv)
1710 {
1711         if (isCursorVisible()) {
1712                 bv->hideLockedInsetCursor();
1713                 setCursorVisible(false);
1714         }
1715         if (the_locking_inset)
1716                 the_locking_inset->hideInsetCursor(bv);
1717 }
1718
1719
1720 void InsetText::fitInsetCursor(BufferView * bv) const
1721 {
1722         if (the_locking_inset) {
1723                 the_locking_inset->fitInsetCursor(bv);
1724                 return;
1725         }
1726         LyXFont const font =
1727                 getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1728
1729         int const asc = lyxfont::maxAscent(font);
1730         int const desc = lyxfont::maxDescent(font);
1731
1732         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1733 }
1734
1735
1736 UpdatableInset::RESULT
1737 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1738 {
1739         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1740                 return moveLeftIntern(bv, false, activate_inset, selecting);
1741         else
1742                 return moveRightIntern(bv, false, activate_inset, selecting);
1743 }
1744
1745
1746 UpdatableInset::RESULT
1747 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1748 {
1749         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1750                 return moveRightIntern(bv, true, activate_inset, selecting);
1751         else
1752                 return moveLeftIntern(bv, true, activate_inset, selecting);
1753 }
1754
1755
1756 UpdatableInset::RESULT
1757 InsetText::moveRightIntern(BufferView * bv, bool behind,
1758                            bool activate_inset, bool selecting)
1759 {
1760         if (!cpar(bv)->next() && (cpos(bv) >= cpar(bv)->size()))
1761                 return FINISHED_RIGHT;
1762         if (activate_inset && checkAndActivateInset(bv, behind))
1763                 return DISPATCHED;
1764         getLyXText(bv)->cursorRight(bv);
1765         if (!selecting)
1766                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1767         return DISPATCHED_NOUPDATE;
1768 }
1769
1770
1771 UpdatableInset::RESULT
1772 InsetText::moveLeftIntern(BufferView * bv, bool behind,
1773                           bool activate_inset, bool selecting)
1774 {
1775         if (!cpar(bv)->previous() && (cpos(bv) <= 0))
1776                 return FINISHED;
1777         getLyXText(bv)->cursorLeft(bv);
1778         if (!selecting)
1779                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1780         if (activate_inset && checkAndActivateInset(bv, behind))
1781                 return DISPATCHED;
1782         return DISPATCHED_NOUPDATE;
1783 }
1784
1785
1786 UpdatableInset::RESULT
1787 InsetText::moveUp(BufferView * bv)
1788 {
1789         if (!crow(bv)->previous())
1790                 return FINISHED_UP;
1791         getLyXText(bv)->cursorUp(bv);
1792         return DISPATCHED_NOUPDATE;
1793 }
1794
1795
1796 UpdatableInset::RESULT
1797 InsetText::moveDown(BufferView * bv)
1798 {
1799         if (!crow(bv)->next())
1800                 return FINISHED_DOWN;
1801         getLyXText(bv)->cursorDown(bv);
1802         return DISPATCHED_NOUPDATE;
1803 }
1804
1805
1806 bool InsetText::insertInset(BufferView * bv, Inset * inset)
1807 {
1808         if (the_locking_inset) {
1809                 if (the_locking_inset->insetAllowed(inset))
1810                         return the_locking_inset->insertInset(bv, inset);
1811                 return false;
1812         }
1813         inset->setOwner(this);
1814         hideInsetCursor(bv);
1815
1816         bool clear = false;
1817         if (!lt) {
1818                 lt = getLyXText(bv);
1819                 clear = true;
1820         }
1821         lt->insertInset(bv, inset);
1822         bv->fitCursor();
1823         if (clear)
1824                 lt = 0;
1825         updateLocal(bv, CURSOR_PAR|CURSOR, true);
1826         return true;
1827 }
1828
1829
1830 bool InsetText::insetAllowed(Inset::Code code) const
1831 {
1832         // in_insetAllowed is a really gross hack,
1833         // to allow us to call the owner's insetAllowed
1834         // without stack overflow, which can happen
1835         // when the owner uses InsetCollapsable::insetAllowed()
1836         bool ret = true;
1837         if (in_insetAllowed)
1838                 return ret;
1839         in_insetAllowed = true;
1840         if (the_locking_inset)
1841                 ret = the_locking_inset->insetAllowed(code);
1842         else if (owner())
1843                 ret = owner()->insetAllowed(code);
1844         in_insetAllowed = false;
1845         return ret;
1846 }
1847
1848
1849 UpdatableInset * InsetText::getLockingInset() const
1850 {
1851         return the_locking_inset ? the_locking_inset->getLockingInset() :
1852                 const_cast<InsetText *>(this);
1853 }
1854
1855
1856 UpdatableInset * InsetText::getFirstLockingInsetOfType(Inset::Code c)
1857 {
1858         if (c == lyxCode())
1859                 return this;
1860         if (the_locking_inset)
1861                 return the_locking_inset->getFirstLockingInsetOfType(c);
1862         return 0;
1863 }
1864
1865
1866 bool InsetText::showInsetDialog(BufferView * bv) const
1867 {
1868         if (the_locking_inset)
1869                 return the_locking_inset->showInsetDialog(bv);
1870         return false;
1871 }
1872
1873
1874 std::vector<string> const InsetText::getLabelList() const
1875 {
1876         std::vector<string> label_list;
1877
1878         Paragraph * tpar = par;
1879         while (tpar) {
1880                 Paragraph::inset_iterator beg = tpar->inset_iterator_begin();
1881                 Paragraph::inset_iterator end = tpar->inset_iterator_end();
1882                 for (; beg != end; ++beg) {
1883                         std::vector<string> const l = (*beg)->getLabelList();
1884                         label_list.insert(label_list.end(), l.begin(), l.end());
1885                 }
1886                 tpar = tpar->next();
1887         }
1888         return label_list;
1889 }
1890
1891
1892 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
1893                         bool selectall)
1894 {
1895         if (the_locking_inset) {
1896                 the_locking_inset->setFont(bv, font, toggleall, selectall);
1897                 return;
1898         }
1899         if ((!par->next() && !par->size()) || !cpar(bv)->size()) {
1900                 getLyXText(bv)->setFont(bv, font, toggleall);
1901                 return;
1902         }
1903         bool clear = false;
1904         if (!lt) {
1905                 lt = getLyXText(bv);
1906                 clear = true;
1907         }
1908         if (lt->selection.set()) {
1909                 setUndo(bv, Undo::EDIT, lt->cursor.par(), lt->cursor.par()->next());
1910         }
1911         if (selectall)
1912                 selectAll(bv);
1913         lt->toggleFree(bv, font, toggleall);
1914         if (selectall)
1915                 lt->clearSelection();
1916         bv->fitCursor();
1917         bool flag = (selectall || lt->selection.set());
1918         if (clear)
1919                 lt = 0;
1920         if (flag)
1921                 updateLocal(bv, FULL, true);
1922         else
1923                 updateLocal(bv, CURSOR_PAR, true);
1924 }
1925
1926
1927 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1928 {
1929         if (cpar(bv)->isInset(cpos(bv))) {
1930                 unsigned int x;
1931                 unsigned int y;
1932                 Inset * inset =
1933                         static_cast<UpdatableInset*>(cpar(bv)->getInset(cpos(bv)));
1934                 if (!isHighlyEditableInset(inset))
1935                         return false;
1936                 LyXFont const font =
1937                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1938                 if (behind) {
1939                         x = inset->width(bv, font);
1940                         y = font.isRightToLeft() ? 0 : inset->descent(bv, font);
1941                 } else {
1942                         x = 0;
1943                         y = font.isRightToLeft() ? inset->descent(bv, font) : 0;
1944                 }
1945                 //inset_x = cx(bv) - top_x + drawTextXOffset;
1946                 //inset_y = cy(bv) + drawTextYOffset;
1947                 inset->edit(bv, x, y, 0);
1948                 if (!the_locking_inset)
1949                         return false;
1950                 updateLocal(bv, CURSOR, false);
1951                 return true;
1952         }
1953         return false;
1954 }
1955
1956
1957 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1958                                       int button)
1959 {
1960         x -= drawTextXOffset;
1961         int dummyx = x;
1962         int dummyy = y + insetAscent;
1963         Inset * inset = bv->checkInsetHit(getLyXText(bv), dummyx, dummyy);
1964
1965         if (inset) {
1966                 if (x < 0)
1967                         x = insetWidth;
1968                 if (y < 0)
1969                         y = insetDescent;
1970                 inset_x = cx(bv) - top_x + drawTextXOffset;
1971                 inset_y = cy(bv) + drawTextYOffset;
1972                 inset->edit(bv, x - inset_x, y - inset_y, button);
1973                 if (!the_locking_inset)
1974                         return false;
1975                 updateLocal(bv, CURSOR, false);
1976                 return true;
1977         }
1978         return false;
1979 }
1980
1981
1982 int InsetText::getMaxWidth(BufferView * bv, UpdatableInset const * inset) const
1983 {
1984 #if 0
1985         int w = UpdatableInset::getMaxWidth(bv, inset);
1986         if (w < 0) {
1987                 return -1;
1988         }
1989         if (owner()) {
1990                 w = w - top_x + owner()->x();
1991                 return w;
1992         }
1993         w -= (2 * TEXT_TO_INSET_OFFSET);
1994         return w - top_x;
1995 #else
1996         return UpdatableInset::getMaxWidth(bv, inset);
1997 #endif
1998 }
1999
2000
2001 void InsetText::setParagraphData(Paragraph * p, bool same_id)
2002 {
2003         // we have to unlock any locked inset otherwise we're in troubles
2004         the_locking_inset = 0;
2005         while (par) {
2006                 Paragraph * tmp = par->next();
2007                 delete par;
2008                 par = tmp;
2009         }
2010
2011         par = new Paragraph(*p, same_id);
2012         par->setInsetOwner(this);
2013         Paragraph * np = par;
2014         while (p->next()) {
2015                 p = p->next();
2016                 np->next(new Paragraph(*p, same_id));
2017                 np->next()->previous(np);
2018                 np = np->next();
2019                 np->setInsetOwner(this);
2020         }
2021         reinitLyXText();
2022         need_update = INIT;
2023 }
2024
2025
2026 void InsetText::setText(string const & data)
2027 {
2028         clear();
2029         LyXFont font(LyXFont::ALL_SANE);
2030         for (unsigned int i=0; i < data.length(); ++i)
2031                 par->insertChar(i, data[i], font);
2032 }
2033
2034
2035 void InsetText::setAutoBreakRows(bool flag)
2036 {
2037         if (flag != autoBreakRows) {
2038                 autoBreakRows = flag;
2039                 if (!flag)
2040                         removeNewlines();
2041                 need_update = INIT;
2042         }
2043 }
2044
2045
2046 void InsetText::setDrawFrame(BufferView * bv, DrawFrame how)
2047 {
2048         if (how != drawFrame_) {
2049                 drawFrame_ = how;
2050                 if (bv)
2051                         updateLocal(bv, DRAW_FRAME, false);
2052         }
2053 }
2054
2055
2056 void InsetText::setFrameColor(BufferView * bv, LColor::color col)
2057 {
2058         if (frame_color != col) {
2059                 frame_color = col;
2060                 if (bv)
2061                         updateLocal(bv, DRAW_FRAME, false);
2062         }
2063 }
2064
2065
2066 int InsetText::cx(BufferView * bv) const
2067 {
2068         // we do nothing dangerous so we use a local cache
2069         LyXText * llt = getLyXText(bv);
2070         int x = llt->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
2071         if (the_locking_inset) {
2072                 LyXFont font = llt->getFont(bv->buffer(), llt->cursor.par(),
2073                                             llt->cursor.pos());
2074                 if (font.isVisibleRightToLeft())
2075                         x -= the_locking_inset->width(bv, font);
2076         }
2077         return x;
2078 }
2079
2080
2081 int InsetText::cy(BufferView * bv) const
2082 {
2083         LyXFont font;
2084         return getLyXText(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
2085 }
2086
2087
2088 pos_type InsetText::cpos(BufferView * bv) const
2089 {
2090         return getLyXText(bv)->cursor.pos();
2091 }
2092
2093
2094 Paragraph * InsetText::cpar(BufferView * bv) const
2095 {
2096         return getLyXText(bv)->cursor.par();
2097 }
2098
2099
2100 bool InsetText::cboundary(BufferView * bv) const
2101 {
2102         return getLyXText(bv)->cursor.boundary();
2103 }
2104
2105
2106 Row * InsetText::crow(BufferView * bv) const
2107 {
2108         return getLyXText(bv)->cursor.row();
2109 }
2110
2111
2112 LyXText * InsetText::getLyXText(BufferView const * lbv,
2113                                 bool const recursive) const
2114 {
2115         if (!recursive && (cached_bview == lbv)) {
2116                 LyXText * lt = cached_text.get();
2117                 lyx::Assert(lt && lt->firstRow()->par() == par);
2118                 return cached_text.get();
2119         }
2120
2121         // Super UGLY! (Lgb)
2122         BufferView * bv = const_cast<BufferView *>(lbv);
2123
2124         cached_bview = bv;
2125         Cache::iterator it = cache.find(bv);
2126
2127         if (it != cache.end()) {
2128                 if (do_reinit)
2129                         reinitLyXText();
2130                 else if (do_resize)
2131                         resizeLyXText(do_resize);
2132                 if (lt || !it->second.remove) {
2133                         lyx::Assert(it->second.text.get());
2134                         cached_text = it->second.text;
2135                         if (recursive && the_locking_inset) {
2136                                 return the_locking_inset->getLyXText(bv, true);
2137                         }
2138                         return cached_text.get();
2139                 } else if (it->second.remove) {
2140                         if (locked) {
2141                                 saveLyXTextState(it->second.text.get());
2142                         } else {
2143                                 sstate.lpar = 0;
2144                         }
2145                 }
2146         }
2147
2148         cached_text.reset(new LyXText(const_cast<InsetText *>(this)));
2149         cached_text->init(bv);
2150         restoreLyXTextState(bv, cached_text.get());
2151
2152         cache.insert(make_pair(bv, cached_text));
2153
2154         if (the_locking_inset && recursive) {
2155                 return the_locking_inset->getLyXText(bv);
2156         }
2157         return cached_text.get();
2158 }
2159
2160
2161 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
2162 {
2163         cached_bview = 0;
2164
2165         Cache::iterator it = cache.find(bv);
2166
2167         if (it == cache.end()) {
2168                 return;
2169         }
2170
2171         lyx::Assert(it->second.text.get());
2172
2173         it->second.remove = true;
2174         if (recursive) {
2175                 /// then remove all LyXText in text-insets
2176                 Paragraph * p = par;
2177                 for (; p; p = p->next()) {
2178                         p->deleteInsetsLyXText(bv);
2179                 }
2180         }
2181 }
2182
2183
2184 void InsetText::resizeLyXText(BufferView * bv, bool force) const
2185 {
2186         if (lt) {
2187                 // we cannot resize this because we are in use!
2188                 // so do this on the next possible getLyXText()
2189                 do_resize = bv;
2190                 return;
2191         }
2192         do_resize = 0;
2193 //      lyxerr << "InsetText::resizeLyXText\n";
2194         if (!par->next() && !par->size()) { // no data, resize not neccessary!
2195                 // we have to do this as a fixed width may have changed!
2196                 LyXText * t = getLyXText(bv);
2197                 saveLyXTextState(t);
2198                 t->init(bv, true);
2199                 restoreLyXTextState(bv, t);
2200                 return;
2201         }
2202         // one endless line, resize normally not necessary
2203         if (!force && getMaxWidth(bv, this) < 0)
2204                 return;
2205
2206         Cache::iterator it = cache.find(bv);
2207         if (it == cache.end()) {
2208                 return;
2209         }
2210         lyx::Assert(it->second.text.get());
2211
2212         LyXText * t = it->second.text.get();
2213         saveLyXTextState(t);
2214         for (Paragraph * p = par; p; p = p->next()) {
2215                 p->resizeInsetsLyXText(bv);
2216         }
2217         t->init(bv, true);
2218         restoreLyXTextState(bv, t);
2219         if (the_locking_inset) {
2220                 inset_x = cx(bv) - top_x + drawTextXOffset;
2221                 inset_y = cy(bv) + drawTextYOffset;
2222         }
2223
2224         if (bv->screen()) {
2225                 t->first = bv->screen()->topCursorVisible(t);
2226         }
2227         if (!owner()) {
2228                 updateLocal(bv, FULL, false);
2229                 // this will scroll the screen such that the cursor becomes visible
2230                 bv->updateScrollbar();
2231         } else {
2232                 need_update |= FULL;
2233         }
2234 }
2235
2236
2237 void InsetText::reinitLyXText() const
2238 {
2239         if (lt) {
2240                 // we cannot resize this because we are in use!
2241                 // so do this on the next possible getLyXText()
2242                 do_reinit = true;
2243                 return;
2244         }
2245         do_reinit = false;
2246         do_resize = 0;
2247 //      lyxerr << "InsetText::reinitLyXText\n";
2248         for(Cache::iterator it = cache.begin(); it != cache.end(); ++it) {
2249                 lyx::Assert(it->second.text.get());
2250
2251                 LyXText * t = it->second.text.get();
2252                 BufferView * bv = it->first;
2253
2254                 saveLyXTextState(t);
2255                 for (Paragraph * p = par; p; p = p->next()) {
2256                         p->resizeInsetsLyXText(bv);
2257                 }
2258                 t->init(bv, true);
2259                 restoreLyXTextState(bv, t);
2260                 if (the_locking_inset) {
2261                         inset_x = cx(bv) - top_x + drawTextXOffset;
2262                         inset_y = cy(bv) + drawTextYOffset;
2263                 }
2264                 if (bv->screen()) {
2265                         t->first = bv->screen()->topCursorVisible(t);
2266                 }
2267                 if (!owner()) {
2268                         updateLocal(bv, FULL, false);
2269                         // this will scroll the screen such that the cursor becomes visible
2270                         bv->updateScrollbar();
2271                 } else {
2272                         need_update = FULL;
2273                 }
2274         }
2275 }
2276
2277
2278 void InsetText::removeNewlines()
2279 {
2280         bool changed = false;
2281
2282         for (Paragraph * p = par; p; p = p->next()) {
2283                 for (int i = 0; i < p->size(); ++i) {
2284                         if (p->getChar(i) == Paragraph::META_NEWLINE) {
2285                                 changed = true;
2286                                 p->erase(i);
2287                         }
2288                 }
2289         }
2290         if (changed)
2291                 reinitLyXText();
2292 }
2293
2294
2295 bool InsetText::nodraw() const
2296 {
2297         if (the_locking_inset)
2298                 return the_locking_inset->nodraw();
2299         return UpdatableInset::nodraw();
2300 }
2301
2302
2303 int InsetText::scroll(bool recursive) const
2304 {
2305         int sx = UpdatableInset::scroll(false);
2306
2307         if (recursive && the_locking_inset)
2308                 sx += the_locking_inset->scroll(recursive);
2309
2310         return sx;
2311 }
2312
2313
2314 bool InsetText::doClearArea() const
2315 {
2316         return !locked || (need_update & (FULL|INIT));
2317 }
2318
2319
2320 void InsetText::selectAll(BufferView * bv)
2321 {
2322         getLyXText(bv)->cursorTop(bv);
2323         getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
2324         getLyXText(bv)->cursorBottom(bv);
2325         getLyXText(bv)->setSelection(bv);
2326 }
2327
2328
2329 void InsetText::clearSelection(BufferView * bv)
2330 {
2331         getLyXText(bv)->clearSelection();
2332 }
2333
2334
2335 void InsetText::clearInset(BufferView * bv, int baseline, bool & cleared) const
2336 {
2337         LyXFont dummy;
2338         Painter & pain = bv->painter();
2339         int w = insetWidth;
2340         int h = ascent(bv, dummy) + descent(bv, dummy);
2341         int ty = baseline - insetAscent;
2342
2343         if (ty < 0) {
2344                 h += ty;
2345                 ty = 0;
2346         }
2347         if ((ty + h) > pain.paperHeight())
2348                 h = pain.paperHeight();
2349         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
2350                 w = pain.paperWidth();
2351 //      w -= TEXT_TO_INSET_OFFSET;
2352         pain.fillRectangle(top_x, ty, w+1, h+1, backgroundColor());
2353         cleared = true;
2354         need_update = FULL;
2355         frame_is_visible = false;
2356 }
2357
2358
2359 Paragraph * InsetText::getParFromID(int id) const
2360 {
2361 #if 0
2362         Paragraph * result = par;
2363         Paragraph * ires = 0;
2364         while (result && result->id() != id) {
2365                 if ((ires = result->getParFromID(id)))
2366                         return ires;
2367                 result = result->next();
2368         }
2369         return result;
2370 #else
2371         Paragraph * tmp = par;
2372         while (tmp) {
2373                 if (tmp->id() == id) {
2374                         return tmp;
2375                 }
2376                 Paragraph * tmp2 = tmp->getParFromID(id);
2377                 if (tmp2 != 0) {
2378                         return tmp2;
2379                 }
2380                 tmp = tmp->next();
2381         }
2382         return 0;
2383 #endif
2384 }
2385
2386
2387 Paragraph * InsetText::firstParagraph() const
2388 {
2389         Paragraph * result;
2390         if (the_locking_inset)
2391                 if ((result = the_locking_inset->firstParagraph()))
2392                         return result;
2393         return par;
2394 }
2395
2396
2397 Paragraph * InsetText::getFirstParagraph(int i) const
2398 {
2399         return (i == 0) ? par : 0;
2400 }
2401
2402
2403 LyXCursor const & InsetText::cursor(BufferView * bv) const
2404 {
2405                 if (the_locking_inset)
2406                                 return the_locking_inset->cursor(bv);
2407                 return getLyXText(bv)->cursor;
2408 }
2409
2410
2411 Paragraph * InsetText::paragraph() const
2412 {
2413         return par;
2414 }
2415
2416
2417 void InsetText::paragraph(Paragraph * p)
2418 {
2419         // GENERAL COMMENT: We don't have to free the old paragraphs as the
2420         // caller of this function has to take care of it. This IS important
2421         // as we could have to insert a paragraph before this one and just
2422         // link the actual to a new ones next and set it with this function
2423         // and are done!
2424         par = p;
2425         // set ourself as owner for all the paragraphs inserted!
2426         Paragraph * np = par;
2427         while (np) {
2428                 np->setInsetOwner(this);
2429                 np = np->next();
2430         }
2431         reinitLyXText();
2432         // redraw myself when asked for
2433         need_update = INIT;
2434 }
2435
2436
2437 Inset * InsetText::getInsetFromID(int id_arg) const
2438 {
2439         if (id_arg == id())
2440                 return const_cast<InsetText *>(this);
2441
2442         Paragraph * lp = par;
2443
2444         while (lp) {
2445                 for (Paragraph::inset_iterator it = lp->inset_iterator_begin(),
2446                          en = lp->inset_iterator_end();
2447                          it != en; ++it)
2448                 {
2449                         if ((*it)->id() == id_arg)
2450                                 return *it;
2451                         Inset * in = (*it)->getInsetFromID(id_arg);
2452                         if (in)
2453                                 return in;
2454                 }
2455                 lp = lp->next();
2456         }
2457         return 0;
2458 }
2459
2460
2461 string const InsetText::selectNextWordToSpellcheck(BufferView * bv, float & value) const
2462 {
2463         bool clear = false;
2464         string str;
2465
2466         if (!lt) {
2467                 lt = getLyXText(bv);
2468                 clear = true;
2469         }
2470         if (the_locking_inset) {
2471                 str = the_locking_inset->selectNextWordToSpellcheck(bv, value);
2472                 if (!str.empty()) {
2473                         value += cy(bv);
2474                         if (clear)
2475                                 lt = 0;
2476                         return str;
2477                 }
2478 #warning Dekel please have a look on this one RTL? (Jug)
2479 #warning DEKEL!
2480                 // we have to go on checking so move cusor to the right
2481                 lt->cursor.pos(lt->cursor.pos() + 1);
2482         }
2483         str = lt->selectNextWordToSpellcheck(bv, value);
2484         if (str.empty())
2485                 bv->unlockInset(const_cast<InsetText *>(this));
2486         else
2487                 value = cy(bv);
2488         if (clear)
2489                 lt = 0;
2490         return str;
2491 }
2492
2493
2494 void InsetText::selectSelectedWord(BufferView * bv)
2495 {
2496         if (the_locking_inset) {
2497                 the_locking_inset->selectSelectedWord(bv);
2498                 return;
2499         }
2500         getLyXText(bv)->selectSelectedWord(bv);
2501         updateLocal(bv, SELECTION, false);
2502 }
2503
2504
2505 void InsetText::toggleSelection(BufferView * bv, bool kill_selection)
2506 {
2507         if (the_locking_inset) {
2508                 the_locking_inset->toggleSelection(bv, kill_selection);
2509         }
2510         bool clear = false;
2511         if (!lt) {
2512                 lt = getLyXText(bv);
2513                 clear = true;
2514         }
2515
2516         int x = top_x + TEXT_TO_INSET_OFFSET;
2517
2518         Row * row = lt->firstRow();
2519         int y_offset = top_baseline - row->ascent_of_text();
2520         int y = y_offset;
2521         while ((row != 0) && ((y+row->height()) <= 0)) {
2522                 y += row->height();
2523                 row = row->next();
2524         }
2525         if (y_offset < 0)
2526                 y_offset = y;
2527
2528         if (need_update & SELECTION)
2529                 need_update = NONE;
2530         bv->screen()->toggleSelection(lt, bv, kill_selection, y_offset, x);
2531         if (clear)
2532                 lt = 0;
2533 }
2534
2535
2536 bool InsetText::searchForward(BufferView * bv, string const & str,
2537                               bool cs, bool mw)
2538 {
2539         if (the_locking_inset) {
2540                 if (the_locking_inset->searchForward(bv, str, cs, mw))
2541                         return true;
2542                 bool clear = false;
2543                 if (!lt) {
2544                         lt = getLyXText(bv);
2545                         clear = true;
2546                 }
2547                 Paragraph * lpar = lt->cursor.par();
2548                 pos_type pos = lt->cursor.pos();
2549                 if (pos < lpar->size() - 1)
2550                         ++pos;
2551                 else {
2552                         pos = 0;
2553                         lpar = lpar->next();
2554                 }
2555                 if (!lpar) {
2556                         if (clear)
2557                                 lt = 0;
2558                         // we have to unlock ourself in this function by default!
2559                         bv->unlockInset(const_cast<InsetText *>(this));
2560                         return false;
2561                 }
2562                 lt->setCursor(bv, lpar, pos);
2563                 if (clear)
2564                         lt = 0;
2565         }
2566         if (LyXFind(bv, str, true, true, cs , mw)) {
2567                 return true;
2568         }
2569         // we have to unlock ourself in this function by default!
2570         bv->unlockInset(const_cast<InsetText *>(this));
2571         return false;
2572 }
2573
2574 bool InsetText::searchBackward(BufferView * bv, string const & str,
2575                                bool cs, bool mw)
2576 {
2577         if (the_locking_inset)
2578                 if (the_locking_inset->searchBackward(bv, str, cs, mw))
2579                         return true;
2580         if (LyXFind(bv, str, false, true, cs, mw)) {
2581                 return true;
2582         }
2583         // we have to unlock ourself in this function by default!
2584         bv->unlockInset(const_cast<InsetText *>(this));
2585         return false;
2586 }
2587
2588
2589 bool InsetText::checkInsertChar(LyXFont & font)
2590 {
2591         if (owner())
2592                 return owner()->checkInsertChar(font);
2593         return true;
2594 }
2595
2596
2597 void InsetText::collapseParagraphs(BufferParams const & bparams) const
2598 {
2599         while(par->next()) {
2600                 if (!par->isSeparator(par->size()-1))
2601                         par->insertChar(par->size()-1, ' ');
2602                 par->pasteParagraph(bparams);
2603         }
2604         reinitLyXText();
2605 }