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 #include <fstream>
  14 #include <algorithm>
  15
  16 #include <cstdlib>
  17 //#include <signal.h>
  18
  19 #ifdef __GNUG__
  20 #pragma implementation
  21 #endif
  22
  23 #include "insettext.h"
  24 #include "paragraph.h"
  25 #include "lyxlex.h"
  26 #include "debug.h"
  27 #include "lyxfont.h"
  28 #include "commandtags.h"
  29 #include "buffer.h"
  30 #include "LyXView.h"
  31 #include "BufferView.h"
  32 #include "layout.h"
  33 #include "LaTeXFeatures.h"
  34 #include "Painter.h"
  35 #include "lyx_gui_misc.h"
  36 #include "lyxtext.h"
  37 #include "lyxcursor.h"
  38 #include "CutAndPaste.h"
  39 #include "font.h"
  40 #include "LColor.h"
  41 #include "support/textutils.h"
  42 #include "support/LAssert.h"
  43 #include "support/lstrings.h"
  44 #include "lyxrow.h"
  45 #include "lyxrc.h"
  46 #include "intl.h"
  47 #include "trans_mgr.h"
  48 #include "lyxscreen.h"
  49 #include "WorkArea.h"
  50 #include "gettext.h"
  51 #include "lyxfunc.h"
  52 #include "ParagraphParameters.h"
  53 #include "undo_funcs.h"
  54 #include "lyxfind.h"
  55
  56 using std::ostream;
  57 using std::ifstream;
  58 using std::endl;
  59 using std::min;
  60 using std::max;
  61 using std::make_pair;
  62
  63 extern unsigned char getCurrentTextClass(Buffer *);
  64 extern bool math_insert_greek(BufferView *, char);
  65 extern int greek_kb_flag;
  66
  67
  68 #warning this functions should probably go into bufferview_funcs somehow (Jug)
  69
  70 void InsetText::saveLyXTextState(LyXText * t) const
  71 {
  72         sstate.lpar = t->cursor.par();
  73         sstate.pos = t->cursor.pos();
  74         sstate.boundary = t->cursor.boundary();
  75         sstate.selstartpar = t->selection.start.par();
  76         sstate.selstartpos = t->selection.start.pos();
  77         sstate.selstartboundary = t->selection.start.boundary();
  78         sstate.selendpar = t->selection.end.par();
  79         sstate.selendpos = t->selection.end.pos();
  80         sstate.selendboundary = t->selection.end.boundary();
  81         sstate.selection = t->selection.set();
  82         sstate.mark_set = t->selection.mark();
  83         sstate.refresh = t->refresh_row != 0;
  84 }
  85
  86 void InsetText::restoreLyXTextState(BufferView * bv, LyXText * t) const
  87 {
  88         if (sstate.lpar) {
  89                 t->selection.set(true);
  90                 /* at this point just to avoid the Delete-Empty-Paragraph
  91                  * Mechanism when setting the cursor */
  92                 t->selection.mark(sstate.mark_set);
  93                 if (sstate.selection) {
  94                         t->setCursor(bv, sstate.selstartpar, sstate.selstartpos,
  95                                      true, sstate.selstartboundary);
  96                         t->selection.cursor = t->cursor;
  97                         t->setCursor(bv, sstate.selendpar, sstate.selendpos,
  98                                      true, sstate.selendboundary);
  99                         t->setSelection(bv);
 100                         t->setCursor(bv, sstate.lpar, sstate.pos);
 101                 } else {
 102                         t->setCursor(bv, sstate.lpar, sstate.pos, true, sstate.boundary);
 103                         t->selection.cursor = t->cursor;
 104                         t->selection.set(false);
 105                 }
 106                 if (sstate.refresh) {
 107                 }
 108         }
 109 }
 110
 111
 112 InsetText::InnerCache::InnerCache(boost::shared_ptr<LyXText> t)
 113 {
 114         text = t;
 115         remove = false;
 116 }
 117
 118
 119 InsetText::InsetText()
 120         : UpdatableInset(), lt(0), in_update(false)
 121 {
 122         par = new Paragraph;
 123         init();
 124 }
 125
 126
 127 InsetText::InsetText(InsetText const & in, bool same_id)
 128         : UpdatableInset(in, same_id), lt(0), in_update(false)
 129 {
 130         par = 0;
 131         init(&in, same_id);
 132 }
 133
 134
 135 InsetText & InsetText::operator=(InsetText const & it)
 136 {
 137         init(&it);
 138         return * this;
 139 }
 140
 141
 142 void InsetText::init(InsetText const * ins, bool same_id)
 143 {
 144         if (ins) {
 145                 setParagraphData(ins->par);
 146                 autoBreakRows = ins->autoBreakRows;
 147                 drawFrame_ = ins->drawFrame_;
 148                 frame_color = ins->frame_color;
 149                 if (same_id)
 150                         id_ = ins->id_;
 151         } else {
 152                 Paragraph * p = par;
 153                 while(p) {
 154                         p->setInsetOwner(this);
 155                         p = p->next();
 156                 }
 157                 the_locking_inset = 0;
 158                 drawFrame_ = NEVER;
 159                 frame_color = LColor::insetframe;
 160                 autoBreakRows = false;
 161         }
 162         top_y = 0;
 163         last_width = 0;
 164         last_height = 0;
 165         insetAscent = 0;
 166         insetDescent = 0;
 167         insetWidth = 0;
 168         old_max_width = 0;
 169         no_selection = false;
 170         need_update = INIT;
 171         drawTextXOffset = 0;
 172         drawTextYOffset = 0;
 173         xpos = 0.0;
 174         locked = false;
 175         old_par = 0;
 176         last_drawn_width = -1;
 177         frame_is_visible = false;
 178         cached_bview = 0;
 179         sstate.lpar = 0;
 180 }
 181
 182
 183 InsetText::~InsetText()
 184 {
 185         cached_bview = 0;
 186
 187         // NOTE
 188
 189         while (par) {
 190                 Paragraph * tmp = par->next();
 191                 delete par;
 192                 par = tmp;
 193         }
 194 }
 195
 196
 197 void InsetText::clear()
 198 {
 199         while (par) {
 200                 Paragraph * tmp = par->next();
 201                 delete par;
 202                 par = tmp;
 203         }
 204         par = new Paragraph;
 205         reinitLyXText(true);
 206 }
 207
 208
 209 Inset * InsetText::clone(Buffer const &, bool same_id) const
 210 {
 211         return  new InsetText(*this, same_id);
 212 }
 213
 214
 215 void InsetText::write(Buffer const * buf, ostream & os) const
 216 {
 217         os << "Text\n";
 218         writeParagraphData(buf, os);
 219 }
 220
 221
 222 void InsetText::writeParagraphData(Buffer const * buf, ostream & os) const
 223 {
 224         par->writeFile(buf, os, buf->params, 0);
 225 }
 226
 227
 228 void InsetText::read(Buffer const * buf, LyXLex & lex)
 229 {
 230         string token;
 231         int pos = 0;
 232         Paragraph * return_par = 0;
 233         Paragraph::depth_type depth = 0;
 234         LyXFont font(LyXFont::ALL_INHERIT);
 235
 236         clear();
 237
 238         while (lex.isOK()) {
 239                 lex.nextToken();
 240                 token = lex.getString();
 241                 if (token.empty())
 242                         continue;
 243                 if (token == "\\end_inset") {
 244 #ifndef NO_COMPABILITY
 245                         const_cast<Buffer*>(buf)->insertErtContents(par, pos, font, false);
 246 #endif
 247                         break;
 248                 }
 249
 250                 if (const_cast<Buffer*>(buf)->
 251                         parseSingleLyXformat2Token(lex, par, return_par,
 252                                                    token, pos, depth, font)) {
 253                         // the_end read this should NEVER happen
 254                         lex.printError("\\the_end read in inset! Error in document!");
 255                         return;
 256                 }
 257         }
 258         if (!return_par)
 259                 return_par = par;
 260         par = return_par;
 261         while(return_par) {
 262                 return_par->setInsetOwner(this);
 263                 return_par = return_par->next();
 264         }
 265
 266         if (token != "\\end_inset") {
 267                 lex.printError("Missing \\end_inset at this point. "
 268                                            "Read: `$$Token'");
 269         }
 270         need_update = INIT;
 271 }
 272
 273
 274 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 275 {
 276         int y_temp = 0;
 277         Row * row = getLyXText(bv)->getRowNearY(y_temp);
 278         insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 279         return insetAscent;
 280 }
 281
 282
 283 int InsetText::descent(BufferView * bv, LyXFont const &) const
 284 {
 285         bool clear = false;
 286         if (!lt) {
 287                 lt = getLyXText(bv);
 288                 clear = true;
 289         }
 290         int y_temp = 0;
 291         Row * row = lt->getRowNearY(y_temp);
 292         insetDescent = lt->height - row->ascent_of_text() +
 293         TEXT_TO_INSET_OFFSET;
 294         if (clear)
 295                 lt = 0;
 296         return insetDescent;
 297 }
 298
 299
 300 int InsetText::width(BufferView * bv, LyXFont const &) const
 301 {
 302         insetWidth = max(textWidth(bv), (int)getLyXText(bv)->width) +
 303                 (2 * TEXT_TO_INSET_OFFSET);
 304         insetWidth = max(insetWidth, 10);
 305         return insetWidth;
 306 }
 307
 308
 309 int InsetText::textWidth(BufferView * bv, bool fordraw) const
 310 {
 311         int w;
 312         if (!autoBreakRows) {
 313                 w = -1;
 314         } else {
 315                 w = getMaxWidth(bv, this);
 316         }
 317         if (fordraw) {
 318                 return max(w - (2 * TEXT_TO_INSET_OFFSET),
 319                            (int)getLyXText(bv)->width);
 320         } else if (w < 0) {
 321             return -1;
 322         }
 323         return w - (2 * TEXT_TO_INSET_OFFSET);
 324 }
 325
 326
 327 void InsetText::draw(BufferView * bv, LyXFont const & f,
 328                      int baseline, float & x, bool cleared) const
 329 {
 330         if (nodraw())
 331                 return;
 332
 333         Painter & pain = bv->painter();
 334
 335         // this is the first thing we have to ask because if the x pos
 336         // changed we have to do a complete rebreak of the text as we
 337         // may have few space to draw in. Well we should check on this too
 338         int old_x = top_x;
 339         if (top_x != int(x)) {
 340                 top_x = int(x);
 341                 int nw = getMaxWidth(bv, this);
 342                 if (nw > 0 && old_max_width != nw) {
 343                         need_update = INIT;
 344                         old_max_width = nw;
 345                         bv->text->status(bv, LyXText::CHANGED_IN_DRAW);
 346                         topx_set = true;
 347                         return;
 348                 } else {
 349                         top_x = old_x;
 350                 }
 351         }
 352
 353         // repaint the background if needed
 354         if (cleared && backgroundColor() != LColor::background) {
 355                 top_x = int(x);
 356                 clearInset(pain, baseline, cleared);
 357                 top_x = old_x;
 358         }
 359
 360         // no draw is necessary !!!
 361         if ((drawFrame_ == LOCKED) && !locked && !par->size()) {
 362                 top_x = int(x);
 363                 topx_set = true;
 364                 top_baseline = baseline;
 365                 x += width(bv, f);
 366                 if (need_update & CLEAR_FRAME)
 367                         clearFrame(pain, cleared);
 368                 need_update = NONE;
 369                 return;
 370         }
 371
 372         xpos = x;
 373         if (!owner())
 374                 x += static_cast<float>(scroll());
 375
 376         // if top_x differs we did it already
 377         if (!cleared && (top_x == int(x)) &&
 378                 ((need_update&(INIT|FULL)) || (top_baseline!=baseline) ||
 379                  (last_drawn_width!=insetWidth))) {
 380                 clearInset(pain, baseline, cleared);
 381         }
 382
 383         top_x = int(x);
 384         topx_set = true;
 385         if (cleared)
 386                 frame_is_visible = false;
 387
 388         if (!cleared && (need_update == NONE)) {
 389                 if (locked)
 390                         drawFrame(pain, cleared);
 391                 return;
 392         }
 393
 394         top_baseline = baseline;
 395         top_y = baseline - ascent(bv, f);
 396         last_width = width(bv, f);
 397         last_height = ascent(bv, f) + descent(bv, f);
 398
 399         if (cleared || (last_drawn_width != insetWidth)) {
 400                 if (!cleared)
 401                         clearInset(pain, baseline, cleared);
 402                 need_update |= FULL;
 403                 last_drawn_width = insetWidth;
 404         }
 405
 406         if (the_locking_inset && (cpar(bv) == inset_par)
 407                 && (cpos(bv) == inset_pos)) {
 408                 inset_x = cx(bv) - top_x + drawTextXOffset;
 409                 inset_y = cy(bv) + drawTextYOffset;
 410         }
 411         if (!cleared && (need_update == CURSOR)
 412                 && !getLyXText(bv)->selection.set())
 413         {
 414                 drawFrame(pain, cleared);
 415                 x += last_width; // was width(bv, f);
 416                 need_update = NONE;
 417                 return;
 418         }
 419         bool clear = false;
 420         if (!lt) {
 421                 lt = getLyXText(bv);
 422                 clear = true;
 423         }
 424         x += TEXT_TO_INSET_OFFSET;
 425
 426         int y = 0;
 427         Row * row = lt->getRowNearY(y);
 428         int y_offset = baseline - row->ascent_of_text();
 429         int ph = pain.paperHeight();
 430         int first = 0;
 431         y = y_offset;
 432         while ((row != 0) && ((y+row->height()) <= 0)) {
 433                 y += row->height();
 434                 first += row->height();
 435                 row = row->next();
 436         }
 437         if (y_offset < 0)
 438                 y_offset = y;
 439         lt->first = first;
 440         if (cleared || (need_update&(INIT|FULL))) {
 441                 int yf = y_offset;
 442                 y = 0;
 443                 while ((row != 0) && (yf < ph)) {
 444                         lt->getVisibleRow(bv, y+y_offset, int(x), row,
 445                                                 y+first, cleared);
 446                         y += row->height();
 447                         yf += row->height();
 448                         row = row->next();
 449                 }
 450         } else if (!locked) {
 451                 if (need_update & CURSOR) {
 452                         bv->screen()->toggleSelection(lt, bv, true, y_offset,int(x));
 453                         lt->clearSelection();
 454                         lt->selection.cursor = lt->cursor;
 455                 }
 456                 bv->screen()->update(lt, bv, y_offset, int(x));
 457         } else {
 458                 locked = false;
 459                 if (need_update & SELECTION)
 460                         bv->screen()->toggleToggle(lt, bv, y_offset, int(x));
 461                 else if (need_update & CURSOR) {
 462                         bv->screen()->toggleSelection(lt, bv, true, y_offset,int(x));
 463                         lt->clearSelection();
 464                         lt->selection.cursor = lt->cursor;
 465                 }
 466                 bv->screen()->update(lt, bv, y_offset, int(x));
 467                 locked = true;
 468         }
 469
 470         lt->refresh_y = 0;
 471         lt->status(bv, LyXText::UNCHANGED);
 472         if ((need_update != CURSOR_PAR) &&
 473                 ((drawFrame_ == ALWAYS) || ((drawFrame_ == LOCKED) && locked)))
 474                 drawFrame(pain, cleared);
 475         else if (need_update & CLEAR_FRAME)
 476                 clearFrame(pain, cleared);
 477         x += last_width /* was width(bv, f) */ - TEXT_TO_INSET_OFFSET;
 478         if (bv->text->status() == LyXText::CHANGED_IN_DRAW) {
 479                 need_update |= INIT;
 480         } else if (need_update != INIT)
 481                 need_update = NONE;
 482         if (clear)
 483                 lt = 0;
 484 }
 485
 486
 487 void InsetText::drawFrame(Painter & pain, bool cleared) const
 488 {
 489         static int const ttoD2 = TEXT_TO_INSET_OFFSET / 2;
 490         if (!frame_is_visible || cleared) {
 491                 frame_x = top_x + ttoD2;
 492                 frame_y = top_baseline - insetAscent + ttoD2;
 493                 frame_w = last_width - TEXT_TO_INSET_OFFSET;
 494                 frame_h = insetAscent + insetDescent - TEXT_TO_INSET_OFFSET;
 495                 pain.rectangle(frame_x, frame_y, frame_w, frame_h,
 496                                frame_color);
 497                 frame_is_visible = true;
 498         }
 499 }
 500
 501
 502 void InsetText::clearFrame(Painter & pain, bool cleared) const
 503 {
 504         if (frame_is_visible) {
 505                 if (!cleared) {
 506                         pain.rectangle(frame_x, frame_y, frame_w, frame_h,
 507                                        backgroundColor());
 508                 }
 509                 frame_is_visible = false;
 510         }
 511 }
 512
 513
 514 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 515 {
 516         if (in_update) {
 517                 if (reinit && owner()) {
 518                         owner()->update(bv, font, true);
 519                 }
 520                 return;
 521         }
 522         in_update = true;
 523         if (reinit || need_update == INIT) {
 524                 need_update |= FULL;
 525 #if 0
 526                 resizeLyXText(bv);
 527 #else
 528                 reinitLyXText();
 529 #endif
 530                 if (owner())
 531                         owner()->update(bv, font, true);
 532                 in_update = false;
 533                 return;
 534         }
 535         if (the_locking_inset) {
 536                 inset_x = cx(bv) - top_x + drawTextXOffset;
 537                 inset_y = cy(bv) + drawTextYOffset;
 538                 the_locking_inset->update(bv, font, reinit);
 539         }
 540
 541         bool clear = false;
 542         if (!lt) {
 543                 lt = getLyXText(bv);
 544                 clear = true;
 545         }
 546         int oldw = insetWidth;
 547         insetWidth = lt->width + (2 * TEXT_TO_INSET_OFFSET);
 548         if (oldw != insetWidth) {
 549                 resizeLyXText(bv);
 550                 need_update |= FULL;
 551                 if (clear)
 552                         lt = 0;
 553                 in_update = false;
 554                 return;
 555         }
 556         if ((need_update & CURSOR_PAR) && (lt->status() == LyXText::UNCHANGED) &&
 557                 the_locking_inset)
 558         {
 559                 lt->updateInset(bv, the_locking_inset);
 560         }
 561         if (lt->status() == LyXText::NEED_MORE_REFRESH)
 562                 need_update |= FULL;
 563         if (clear)
 564                 lt = 0;
 565         in_update = false;
 566 }
 567
 568
 569 void InsetText::setUpdateStatus(BufferView * bv, int what) const
 570 {
 571         bool clear = false;
 572         if (!lt) {
 573                 lt = getLyXText(bv);
 574                 clear = true;
 575         }
 576         need_update |= what;
 577         // we have to redraw us full if our LyXText NEEDS_MORE_REFRES or
 578         // if we don't break row so that we only have one row to update!
 579         if ((lt->status() == LyXText::NEED_MORE_REFRESH) ||
 580             (!autoBreakRows &&
 581              (lt->status() == LyXText::NEED_VERY_LITTLE_REFRESH)))
 582         {
 583                 need_update |= FULL;
 584         } else if (lt->status() == LyXText::NEED_VERY_LITTLE_REFRESH) {
 585                 need_update |= CURSOR_PAR;
 586         }
 587
 588         // this to not draw a selection when we redraw all of it!
 589         if (need_update & CURSOR && !(need_update & SELECTION)) {
 590                 if (lt->selection.set())
 591                         need_update = FULL;
 592                 lt->clearSelection();
 593         }
 594         if (clear)
 595                 lt = 0;
 596 }
 597
 598
 599 void InsetText::updateLocal(BufferView * bv, int what, bool mark_dirty) const
 600 {
 601         bool clear = false;
 602         if (!lt) {
 603                 lt = getLyXText(bv);
 604                 clear = true;
 605         }
 606         lt->fullRebreak(bv);
 607         setUpdateStatus(bv, what);
 608         if (((need_update != CURSOR) && (need_update != NONE)) ||
 609             (lt->status() != LyXText::UNCHANGED) || lt->selection.set())
 610         {
 611                 bv->updateInset(const_cast<InsetText *>(this), mark_dirty);
 612         }
 613         if (need_update == CURSOR)
 614                 need_update = NONE;
 615         bv->owner()->showState();
 616         if (old_par != cpar(bv)) {
 617                 bv->owner()->setLayout(cpar(bv)->getLayout());
 618                 old_par = cpar(bv);
 619         }
 620         if (clear)
 621                 lt = 0;
 622 }
 623
 624
 625 string const InsetText::editMessage() const
 626 {
 627         return _("Opened Text Inset");
 628 }
 629
 630
 631 void InsetText::edit(BufferView * bv, int x, int y, unsigned int button)
 632 {
 633         UpdatableInset::edit(bv, x, y, button);
 634
 635         if (!bv->lockInset(this)) {
 636                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 637                 return;
 638         }
 639         locked = true;
 640         the_locking_inset = 0;
 641         inset_pos = inset_x = inset_y = 0;
 642         inset_boundary = false;
 643         inset_par = 0;
 644         old_par = 0;
 645         int tmp_y = (y < 0) ? 0 : y;
 646         bool clear = false;
 647         if (!lt) {
 648                 lt = getLyXText(bv);
 649                 clear = true;
 650         }
 651
 652         if (!checkAndActivateInset(bv, x, tmp_y, button))
 653                 lt->setCursorFromCoordinates(bv, x - drawTextXOffset,
 654                                             y + insetAscent);
 655         lt->clearSelection();
 656         finishUndo();
 657         showInsetCursor(bv);
 658         updateLocal(bv, CURSOR, false);
 659
 660         // If the inset is empty set the language of the current font to the
 661         // language to the surronding text (if different).
 662         if (par->size() == 0 && !par->next() &&
 663                 bv->getParentLanguage(this) != lt->current_font.language()) {
 664                 LyXFont font(LyXFont::ALL_IGNORE);
 665                 font.setLanguage(bv->getParentLanguage(this));
 666                 setFont(bv, font, false);
 667         }
 668         if (clear)
 669                 lt = 0;
 670 }
 671
 672
 673 void InsetText::edit(BufferView * bv, bool front)
 674 {
 675         UpdatableInset::edit(bv, front);
 676
 677         if (!bv->lockInset(this)) {
 678                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 679                 return;
 680         }
 681         locked = true;
 682         the_locking_inset = 0;
 683         inset_pos = inset_x = inset_y = 0;
 684         inset_boundary = false;
 685         inset_par = 0;
 686         old_par = 0;
 687         bool clear = false;
 688         if (!lt) {
 689                 lt = getLyXText(bv);
 690                 clear = true;
 691         }
 692         if (front)
 693                 lt->setCursor(bv, par, 0);
 694         else {
 695                 Paragraph * p = par;
 696                 while(p->next())
 697                         p = p->next();
 698                 int const pos = (p->size() ? p->size()-1 : p->size());
 699                 lt->setCursor(bv, p, pos);
 700         }
 701         lt->clearSelection();
 702         finishUndo();
 703         showInsetCursor(bv);
 704         updateLocal(bv, CURSOR, false);
 705
 706         // If the inset is empty set the language of the current font to the
 707         // language to the surronding text (if different).
 708         if (par->size() == 0 && !par->next() &&
 709                 bv->getParentLanguage(this) != lt->current_font.language()) {
 710                 LyXFont font(LyXFont::ALL_IGNORE);
 711                 font.setLanguage(bv->getParentLanguage(this));
 712                 setFont(bv, font, false);
 713         }
 714         if (clear)
 715                 lt = 0;
 716 }
 717
 718
 719 void InsetText::insetUnlock(BufferView * bv)
 720 {
 721         if (the_locking_inset) {
 722                 the_locking_inset->insetUnlock(bv);
 723                 the_locking_inset = 0;
 724         }
 725         hideInsetCursor(bv);
 726         no_selection = false;
 727         locked = false;
 728         int code;
 729         if (drawFrame_ == LOCKED)
 730                 code = CURSOR|CLEAR_FRAME;
 731         else
 732                 code = CURSOR;
 733         bool clear = false;
 734         if (!lt) {
 735                 lt = getLyXText(bv);
 736                 clear = true;
 737         }
 738         if (lt->selection.set()) {
 739                 lt->clearSelection();
 740                 code = FULL;
 741         } else if (owner()) {
 742                 bv->owner()->setLayout(owner()->getLyXText(bv)
 743                                        ->cursor.par()->getLayout());
 744         } else
 745                 bv->owner()->setLayout(bv->text->cursor.par()->getLayout());
 746         updateLocal(bv, code, false);
 747         if (clear)
 748                 lt = 0;
 749 }
 750
 751
 752 bool InsetText::lockInsetInInset(BufferView * bv, UpdatableInset * inset)
 753 {
 754         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 755                               << inset << "): ";
 756         if (!inset)
 757                 return false;
 758         if (inset == cpar(bv)->getInset(cpos(bv))) {
 759                 lyxerr[Debug::INSETS] << "OK" << endl;
 760                 the_locking_inset = inset;
 761                 inset_x = cx(bv) - top_x + drawTextXOffset;
 762                 inset_y = cy(bv) + drawTextYOffset;
 763                 inset_pos = cpos(bv);
 764                 inset_par = cpar(bv);
 765                 inset_boundary = cboundary(bv);
 766                 updateLocal(bv, CURSOR, false);
 767                 return true;
 768         } else if (the_locking_inset && (the_locking_inset == inset)) {
 769                 if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 770                         lyxerr[Debug::INSETS] << "OK" << endl;
 771                         inset_x = cx(bv) - top_x + drawTextXOffset;
 772                         inset_y = cy(bv) + drawTextYOffset;
 773                 } else {
 774                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 775                 }
 776         } else if (the_locking_inset) {
 777                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 778                 return the_locking_inset->lockInsetInInset(bv, inset);
 779         }
 780         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 781         return false;
 782 }
 783
 784
 785 bool InsetText::unlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 786                                    bool lr)
 787 {
 788         if (!the_locking_inset)
 789                 return false;
 790         if (the_locking_inset == inset) {
 791                 the_locking_inset->insetUnlock(bv);
 792                 getLyXText(bv)->updateInset(bv, inset);
 793                 the_locking_inset = 0;
 794                 if (lr)
 795                         moveRight(bv, false);
 796                 old_par = 0; // force layout setting
 797                 if (scroll())
 798                         scroll(bv, 0.0F);
 799                 else
 800                         updateLocal(bv, CURSOR, false);
 801                 return true;
 802         }
 803         return the_locking_inset->unlockInsetInInset(bv, inset, lr);
 804 }
 805
 806
 807 bool InsetText::updateInsetInInset(BufferView * bv, Inset * inset)
 808 {
 809         if (!the_locking_inset)
 810                 return false;
 811         if (the_locking_inset != inset) {
 812                 getLyXText(bv)->updateInset(bv, the_locking_inset);
 813                 setUpdateStatus(bv, CURSOR_PAR);
 814                 return the_locking_inset->updateInsetInInset(bv, inset);
 815         }
 816         if (getLyXText(bv)->updateInset(bv, inset))
 817                 updateLocal(bv, CURSOR_PAR, false);
 818         if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 819                 inset_x = cx(bv) - top_x + drawTextXOffset;
 820                 inset_y = cy(bv) + drawTextYOffset;
 821         }
 822         return true;
 823 }
 824
 825
 826 void InsetText::insetButtonPress(BufferView * bv, int x, int y, int button)
 827 {
 828         no_selection = true;
 829
 830         int tmp_x = x - drawTextXOffset;
 831         int tmp_y = y + insetAscent - getLyXText(bv)->first;
 832         Inset * inset = bv->checkInsetHit(getLyXText(bv), tmp_x, tmp_y, button);
 833
 834         hideInsetCursor(bv);
 835         if (the_locking_inset) {
 836                 if (the_locking_inset == inset) {
 837                         the_locking_inset->insetButtonPress(bv,x-inset_x,y-inset_y,button);
 838                         no_selection = false;
 839                         return;
 840                 } else if (inset) {
 841                         // otherwise unlock the_locking_inset and lock the new inset
 842                         the_locking_inset->insetUnlock(bv);
 843                         inset_x = cx(bv) - top_x + drawTextXOffset;
 844                         inset_y = cy(bv) + drawTextYOffset;
 845                         the_locking_inset = static_cast<UpdatableInset*>(inset);
 846                         inset->insetButtonPress(bv, x - inset_x, y - inset_y, button);
 847                         inset->edit(bv, x - inset_x, y - inset_y, button);
 848                         if (the_locking_inset)
 849                                 updateLocal(bv, CURSOR, false);
 850                         no_selection = false;
 851                         return;
 852                 }
 853                 // otherwise only unlock the_locking_inset
 854                 the_locking_inset->insetUnlock(bv);
 855                 the_locking_inset = 0;
 856         }
 857         if (bv->theLockingInset()) {
 858                 if (inset && inset->editable() == Inset::HIGHLY_EDITABLE) {
 859                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 860                         inset_x = cx(bv) - top_x + drawTextXOffset;
 861                         inset_y = cy(bv) + drawTextYOffset;
 862                         inset_pos = cpos(bv);
 863                         inset_par = cpar(bv);
 864                         inset_boundary = cboundary(bv);
 865                         the_locking_inset = uinset;
 866                         uinset->insetButtonPress(bv, x - inset_x, y - inset_y,
 867                                                  button);
 868                         uinset->edit(bv, x - inset_x, y - inset_y, 0);
 869                         if (the_locking_inset)
 870                                 updateLocal(bv, CURSOR, false);
 871                         no_selection = false;
 872                         return;
 873                 }
 874         }
 875         if (!inset) { // && (button == 2)) {
 876                 bool paste_internally = false;
 877                 if ((button == 2) && getLyXText(bv)->selection.set()) {
 878                         localDispatch(bv, LFUN_COPY, "");
 879                         paste_internally = true;
 880                 }
 881                 bool clear = false;
 882                 if (!lt) {
 883                         lt = getLyXText(bv);
 884                         clear = true;
 885                 }
 886                 lt->setCursorFromCoordinates(bv, x-drawTextXOffset, y + insetAscent);
 887                 if (lt->selection.set()) {
 888                         lt->clearSelection();
 889                         updateLocal(bv, FULL, false);
 890                 } else {
 891                         lt->clearSelection();
 892                 }
 893                 bv->owner()->setLayout(cpar(bv)->getLayout());
 894                 old_par = cpar(bv);
 895                 // Insert primary selection with middle mouse
 896                 // if there is a local selection in the current buffer,
 897                 // insert this
 898                 if (button == 2) {
 899                         if (paste_internally)
 900                                 localDispatch(bv, LFUN_PASTE, "");
 901                         else
 902                                 localDispatch(bv, LFUN_PASTESELECTION,
 903                                               "paragraph");
 904                 }
 905                 if (clear)
 906                         lt = 0;
 907         }
 908         showInsetCursor(bv);
 909         no_selection = false;
 910 }
 911
 912
 913 void InsetText::insetButtonRelease(BufferView * bv, int x, int y, int button)
 914 {
 915         UpdatableInset * inset = 0;
 916
 917         if (the_locking_inset) {
 918                 the_locking_inset->insetButtonRelease(bv,
 919                                                       x - inset_x, y - inset_y,
 920                                                       button);
 921         } else {
 922                 if (cpar(bv)->getChar(cpos(bv)) == Paragraph::META_INSET) {
 923                         inset = static_cast<UpdatableInset*>(cpar(bv)->getInset(cpos(bv)));
 924                         if (inset->editable() == Inset::HIGHLY_EDITABLE) {
 925                                 inset->insetButtonRelease(bv,
 926                                                           x - inset_x,
 927                                                           y - inset_y, button);
 928                         } else {
 929                                 inset_x = cx(bv) - top_x + drawTextXOffset;
 930                                 inset_y = cy(bv) + drawTextYOffset;
 931                                 inset->insetButtonRelease(bv,
 932                                                           x - inset_x,
 933                                                           y - inset_y, button);
 934                                 inset->edit(bv,
 935                                             x - inset_x, y - inset_y, button);
 936                         }
 937                         updateLocal(bv, CURSOR_PAR, false);
 938                 }
 939         }
 940         no_selection = false;
 941 }
 942
 943
 944 void InsetText::insetMotionNotify(BufferView * bv, int x, int y, int state)
 945 {
 946         if (no_selection)
 947                 return;
 948         if (the_locking_inset) {
 949                 the_locking_inset->insetMotionNotify(bv, x - inset_x,
 950                                                      y - inset_y,state);
 951                 return;
 952         }
 953         LyXText * t = getLyXText(bv);
 954         hideInsetCursor(bv);
 955         t->setCursorFromCoordinates(bv, x - drawTextXOffset, y + insetAscent);
 956         t->setSelection(bv);
 957         if (t->toggle_cursor.par() != t->toggle_end_cursor.par() ||
 958                 t->toggle_cursor.pos() != t->toggle_end_cursor.pos())
 959                 updateLocal(bv, SELECTION, false);
 960         showInsetCursor(bv);
 961 }
 962
 963
 964 void InsetText::insetKeyPress(XKeyEvent * xke)
 965 {
 966         if (the_locking_inset) {
 967                 the_locking_inset->insetKeyPress(xke);
 968                 return;
 969         }
 970 }
 971
 972
 973 UpdatableInset::RESULT
 974 InsetText::localDispatch(BufferView * bv,
 975                          kb_action action, string const & arg)
 976 {
 977         no_selection = false;
 978         UpdatableInset::RESULT
 979                 result= UpdatableInset::localDispatch(bv, action, arg);
 980         if (result != UNDISPATCHED) {
 981                 return DISPATCHED;
 982         }
 983
 984         result = DISPATCHED;
 985         if ((action < 0) && arg.empty())
 986                 return FINISHED;
 987
 988         if (the_locking_inset) {
 989                 result = the_locking_inset->localDispatch(bv, action, arg);
 990                 if (result == DISPATCHED_NOUPDATE)
 991                         return result;
 992                 else if (result == DISPATCHED) {
 993                         updateLocal(bv, CURSOR_PAR, false);
 994                         return result;
 995                 } else if (result == FINISHED) {
 996                         bool dispatched = false;
 997                         switch (action) {
 998                         case LFUN_UNKNOWN_ACTION:
 999                         case LFUN_BREAKPARAGRAPH:
1000                         case LFUN_BREAKLINE:
1001                                 moveRightIntern(bv, false, false);
1002                                 break;
1003                         case LFUN_RIGHT:
1004                                 if (!getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1005                                         moveRightIntern(bv, false, false);
1006                                 dispatched = true;
1007                                 break;
1008                         case LFUN_LEFT:
1009                                 if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1010                                         moveRightIntern(bv, false, false);
1011                                 dispatched = true;
1012                                 break;
1013                         default:
1014                                 break;
1015                         }
1016                         the_locking_inset = 0;
1017                         if (dispatched)
1018                                 return DISPATCHED;
1019                 }
1020         }
1021         hideInsetCursor(bv);
1022         bool clear = false;
1023         if (!lt) {
1024                 lt = getLyXText(bv);
1025                 clear = true;
1026         }
1027         switch (action) {
1028         // Normal chars
1029         case LFUN_SELFINSERT:
1030                 if (bv->buffer()->isReadonly()) {
1031 //          setErrorMessage(N_("Document is read only"));
1032                         break;
1033                 }
1034                 if (!arg.empty()) {
1035                         /* Automatically delete the currently selected
1036                          * text and replace it with what is being
1037                          * typed in now. Depends on lyxrc settings
1038                          * "auto_region_delete", which defaults to
1039                          * true (on). */
1040
1041                         setUndo(bv, Undo::INSERT,
1042                                 lt->cursor.par(), lt->cursor.par()->next());
1043                         bv->setState();
1044                         if (lyxrc.auto_region_delete) {
1045                                 if (lt->selection.set()) {
1046                                         lt->cutSelection(bv, false);
1047                                 }
1048                         }
1049                         lt->clearSelection();
1050                         for (string::size_type i = 0; i < arg.length(); ++i) {
1051                                 bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], lt);
1052                         }
1053                 }
1054                 lt->selection.cursor = lt->cursor;
1055                 updateLocal(bv, CURSOR_PAR, true);
1056                 result = DISPATCHED_NOUPDATE;
1057                 break;
1058                 // --- Cursor Movements -----------------------------------
1059         case LFUN_RIGHTSEL:
1060                 finishUndo();
1061                 moveRight(bv, false, true);
1062                 lt->setSelection(bv);
1063                 updateLocal(bv, SELECTION, false);
1064                 break;
1065         case LFUN_RIGHT:
1066                 result = moveRight(bv);
1067                 finishUndo();
1068                 updateLocal(bv, CURSOR, false);
1069                 break;
1070         case LFUN_LEFTSEL:
1071                 finishUndo();
1072                 moveLeft(bv, false, true);
1073                 lt->setSelection(bv);
1074                 updateLocal(bv, SELECTION, false);
1075                 break;
1076         case LFUN_LEFT:
1077                 finishUndo();
1078                 result = moveLeft(bv);
1079                 updateLocal(bv, CURSOR, false);
1080                 break;
1081         case LFUN_DOWNSEL:
1082                 finishUndo();
1083                 moveDown(bv);
1084                 lt->setSelection(bv);
1085                 updateLocal(bv, SELECTION, false);
1086                 break;
1087         case LFUN_DOWN:
1088                 finishUndo();
1089                 result = moveDown(bv);
1090                 updateLocal(bv, CURSOR, false);
1091                 break;
1092         case LFUN_UPSEL:
1093                 finishUndo();
1094                 moveUp(bv);
1095                 lt->setSelection(bv);
1096                 updateLocal(bv, SELECTION, false);
1097                 break;
1098         case LFUN_UP:
1099                 finishUndo();
1100                 result = moveUp(bv);
1101                 updateLocal(bv, CURSOR, false);
1102                 break;
1103         case LFUN_HOME:
1104                 finishUndo();
1105                 lt->cursorHome(bv);
1106                 updateLocal(bv, CURSOR, false);
1107                 break;
1108         case LFUN_END:
1109                 lt->cursorEnd(bv);
1110                 updateLocal(bv, CURSOR, false);
1111                 break;
1112         case LFUN_BACKSPACE: {
1113                 setUndo(bv, Undo::DELETE,
1114                         lt->cursor.par(), lt->cursor.par()->next());
1115                 if (lt->selection.set())
1116                         lt->cutSelection(bv);
1117                 else
1118                         lt->backspace(bv);
1119                 updateLocal(bv, CURSOR_PAR, true);
1120         }
1121         break;
1122
1123         case LFUN_DELETE: {
1124                 setUndo(bv, Undo::DELETE,
1125                         lt->cursor.par(), lt->cursor.par()->next());
1126                 if (lt->selection.set()) {
1127                         lt->cutSelection(bv);
1128                 } else {
1129                         lt->Delete(bv);
1130                 }
1131                 updateLocal(bv, CURSOR_PAR, true);
1132         }
1133         break;
1134
1135         case LFUN_CUT: {
1136                 setUndo(bv, Undo::DELETE,
1137                         lt->cursor.par(), lt->cursor.par()->next());
1138                 lt->cutSelection(bv);
1139                 updateLocal(bv, CURSOR_PAR, true);
1140         }
1141         break;
1142
1143         case LFUN_COPY:
1144                 finishUndo();
1145                 lt->copySelection(bv);
1146                 updateLocal(bv, CURSOR_PAR, false);
1147                 break;
1148         case LFUN_PASTESELECTION:
1149         {
1150                 string const clip(bv->getClipboard());
1151
1152                 if (clip.empty())
1153                         break;
1154                 if (arg == "paragraph") {
1155                         lt->insertStringAsParagraphs(bv, clip);
1156                 } else {
1157                         lt->insertStringAsLines(bv, clip);
1158                 }
1159                 updateLocal(bv, CURSOR_PAR, true);
1160                 break;
1161         }
1162         case LFUN_PASTE: {
1163                 if (!autoBreakRows) {
1164
1165                         if (CutAndPaste::nrOfParagraphs() > 1) {
1166                                 WriteAlert(_("Impossible operation"),
1167                                                    _("Cannot include more than one paragraph!"),
1168                                                    _("Sorry."));
1169                                 break;
1170                         }
1171                 }
1172                 setUndo(bv, Undo::INSERT,
1173                         lt->cursor.par(), lt->cursor.par()->next());
1174                 lt->pasteSelection(bv);
1175                 updateLocal(bv, CURSOR_PAR, true);
1176         }
1177         break;
1178
1179         case LFUN_BREAKPARAGRAPH:
1180                 if (!autoBreakRows) {
1181                         result = DISPATCHED;
1182                         break;
1183                 }
1184                 lt->breakParagraph(bv, 0);
1185                 updateLocal(bv, FULL, true);
1186                 break;
1187         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1188                 if (!autoBreakRows) {
1189                         result = DISPATCHED;
1190                         break;
1191                 }
1192                 lt->breakParagraph(bv, 1);
1193                 updateLocal(bv, FULL, true);
1194                 break;
1195
1196         case LFUN_BREAKLINE: {
1197                 if (!autoBreakRows) {
1198                         result = DISPATCHED;
1199                         break;
1200                 }
1201                 setUndo(bv, Undo::INSERT,
1202                         lt->cursor.par(), lt->cursor.par()->next());
1203                 lt->insertChar(bv, Paragraph::META_NEWLINE);
1204                 updateLocal(bv, CURSOR_PAR, true);
1205         }
1206         break;
1207
1208         case LFUN_LAYOUT:
1209                 // do not set layouts on non breakable textinsets
1210                 if (autoBreakRows) {
1211                         LyXTextClass::size_type cur_layout = cpar(bv)->layout;
1212
1213                         // Derive layout number from given argument (string)
1214                         // and current buffer's textclass (number). */
1215                         LyXTextClassList::ClassList::size_type tclass =
1216                                 bv->buffer()->params.textclass;
1217                         std::pair <bool, LyXTextClass::size_type> layout =
1218                                 textclasslist.NumberOfLayout(tclass, arg);
1219
1220                         // If the entry is obsolete, use the new one instead.
1221                         if (layout.first) {
1222                                 string obs = textclasslist.Style(tclass,layout.second).
1223                                         obsoleted_by();
1224                                 if (!obs.empty())
1225                                         layout = textclasslist.NumberOfLayout(tclass, obs);
1226                         }
1227
1228                         // see if we found the layout number:
1229                         if (!layout.first) {
1230                                 string const msg = string(N_("Layout ")) + arg + N_(" not known");
1231                                 bv->owner()->getLyXFunc()->dispatch(LFUN_MESSAGE, msg);
1232                                 break;
1233                         }
1234
1235                         if (cur_layout != layout.second) {
1236                                 cur_layout = layout.second;
1237                                 lt->setLayout(bv, layout.second);
1238                                 bv->owner()->setLayout(cpar(bv)->getLayout());
1239                                 updateLocal(bv, CURSOR_PAR, true);
1240                         }
1241                 } else {
1242                         // reset the layout box
1243                         bv->owner()->setLayout(cpar(bv)->getLayout());
1244                 }
1245                 break;
1246         case LFUN_PARAGRAPH_SPACING:
1247                 // This one is absolutely not working. When fiddling with this
1248                 // it also seems to me that the paragraphs inside the insettext
1249                 // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1250         {
1251                 Paragraph * par = lt->cursor.par();
1252                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
1253                 float cur_value = 1.0;
1254                 if (cur_spacing == Spacing::Other) {
1255                         cur_value = par->params().spacing().getValue();
1256                 }
1257
1258                 istringstream istr(arg.c_str());
1259                 string tmp;
1260                 istr >> tmp;
1261                 Spacing::Space new_spacing = cur_spacing;
1262                 float new_value = cur_value;
1263                 if (tmp.empty()) {
1264                         lyxerr << "Missing argument to `paragraph-spacing'"
1265                                    << endl;
1266                 } else if (tmp == "single") {
1267                         new_spacing = Spacing::Single;
1268                 } else if (tmp == "onehalf") {
1269                         new_spacing = Spacing::Onehalf;
1270                 } else if (tmp == "double") {
1271                         new_spacing = Spacing::Double;
1272                 } else if (tmp == "other") {
1273                         new_spacing = Spacing::Other;
1274                         float tmpval = 0.0;
1275                         istr >> tmpval;
1276                         lyxerr << "new_value = " << tmpval << endl;
1277                         if (tmpval != 0.0)
1278                                 new_value = tmpval;
1279                 } else if (tmp == "default") {
1280                         new_spacing = Spacing::Default;
1281                 } else {
1282                         lyxerr << _("Unknown spacing argument: ")
1283                                    << arg << endl;
1284                 }
1285                 if (cur_spacing != new_spacing || cur_value != new_value) {
1286                         par->params().spacing(Spacing(new_spacing, new_value));
1287                         updateLocal(bv, CURSOR_PAR, true);
1288                 }
1289         }
1290         break;
1291
1292         default:
1293                 if (!bv->Dispatch(action, arg))
1294                         result = UNDISPATCHED;
1295                 break;
1296         }
1297
1298         /// If the action has deleted all text in the inset, we need to change the
1299         // language to the language of the surronding text.
1300         if (par->size() == 0 && !par->next()) {
1301                 LyXFont font(LyXFont::ALL_IGNORE);
1302                 font.setLanguage(bv->getParentLanguage(this));
1303                 setFont(bv, font, false);
1304         }
1305
1306         if (result != FINISHED) {
1307                 showInsetCursor(bv);
1308         } else
1309                 bv->unlockInset(this);
1310         if (clear)
1311                 lt = 0;
1312         return result;
1313 }
1314
1315
1316 int InsetText::latex(Buffer const * buf, ostream & os, bool, bool) const
1317 {
1318         TexRow texrow;
1319         buf->latexParagraphs(os, par, 0, texrow);
1320         return texrow.rows();
1321 }
1322
1323
1324 int InsetText::ascii(Buffer const * buf, ostream & os, int linelen) const
1325 {
1326         Paragraph * p = par;
1327         unsigned int lines = 0;
1328
1329         while (p) {
1330                 string const tmp = buf->asciiParagraph(p, linelen);
1331                 lines += countChar(tmp, '\n');
1332                 os << tmp;
1333                 p = p->next();
1334         }
1335         return lines;
1336 }
1337
1338
1339 int InsetText::docBook(Buffer const * buf, ostream & os) const
1340 {
1341         Paragraph * p = par;
1342         unsigned int lines = 0;
1343         int desc = 0;
1344
1345         string tmp;
1346         while (p) {
1347                 buf->simpleDocBookOnePar(os, tmp, p, desc, 0);
1348                 p = p->next();
1349         }
1350
1351         return lines;
1352 }
1353
1354
1355 void InsetText::validate(LaTeXFeatures & features) const
1356 {
1357         Paragraph * p = par;
1358         while (p) {
1359                 p->validate(features);
1360                 p = p->next();
1361         }
1362 }
1363
1364
1365 int InsetText::beginningOfMainBody(Buffer const * buf, Paragraph * p) const
1366 {
1367         if (textclasslist.Style(buf->params.textclass,
1368                                 p->getLayout()).labeltype != LABEL_MANUAL)
1369                 return 0;
1370         else
1371                 return p->beginningOfMainBody();
1372 }
1373
1374
1375 void InsetText::getCursorPos(BufferView * bv,
1376                              int & x, int & y) const
1377 {
1378         if (the_locking_inset) {
1379                 the_locking_inset->getCursorPos(bv, x, y);
1380                 return;
1381         }
1382         x = cx(bv);
1383         y = cy(bv);
1384 }
1385
1386
1387 unsigned int InsetText::insetInInsetY()
1388 {
1389         if (!the_locking_inset)
1390                 return 0;
1391
1392         return (inset_y + the_locking_inset->insetInInsetY());
1393 }
1394
1395
1396 void InsetText::toggleInsetCursor(BufferView * bv)
1397 {
1398         if (the_locking_inset) {
1399                 the_locking_inset->toggleInsetCursor(bv);
1400                 return;
1401         }
1402
1403         LyXFont const font(getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv)));
1404
1405         int const asc = lyxfont::maxAscent(font);
1406         int const desc = lyxfont::maxDescent(font);
1407
1408         if (isCursorVisible())
1409                 bv->hideLockedInsetCursor();
1410         else
1411                 bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1412         toggleCursorVisible();
1413 }
1414
1415
1416 void InsetText::showInsetCursor(BufferView * bv, bool show)
1417 {
1418         if (the_locking_inset) {
1419                 the_locking_inset->showInsetCursor(bv, show);
1420                 return;
1421         }
1422         if (!isCursorVisible()) {
1423                 LyXFont const font =
1424                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1425
1426                 int const asc = lyxfont::maxAscent(font);
1427                 int const desc = lyxfont::maxDescent(font);
1428
1429                 bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1430                 if (show)
1431                         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1432                 setCursorVisible(true);
1433         }
1434 }
1435
1436
1437 void InsetText::hideInsetCursor(BufferView * bv)
1438 {
1439         if (isCursorVisible()) {
1440                 bv->hideLockedInsetCursor();
1441                 setCursorVisible(false);
1442         }
1443         if (the_locking_inset)
1444                 the_locking_inset->hideInsetCursor(bv);
1445 }
1446
1447
1448 void InsetText::fitInsetCursor(BufferView * bv) const
1449 {
1450         if (the_locking_inset) {
1451                 the_locking_inset->fitInsetCursor(bv);
1452                 return;
1453         }
1454         LyXFont const font =
1455                 getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1456
1457         int const asc = lyxfont::maxAscent(font);
1458         int const desc = lyxfont::maxDescent(font);
1459
1460         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1461 }
1462
1463
1464 UpdatableInset::RESULT
1465 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1466 {
1467         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1468                 return moveLeftIntern(bv, false, activate_inset, selecting);
1469         else
1470                 return moveRightIntern(bv, false, activate_inset, selecting);
1471 }
1472
1473
1474 UpdatableInset::RESULT
1475 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1476 {
1477         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1478                 return moveRightIntern(bv, true, activate_inset, selecting);
1479         else
1480                 return moveLeftIntern(bv, true, activate_inset, selecting);
1481 }
1482
1483
1484 UpdatableInset::RESULT
1485 InsetText::moveRightIntern(BufferView * bv, bool behind,
1486                            bool activate_inset, bool selecting)
1487 {
1488         if (!cpar(bv)->next() && (cpos(bv) >= cpar(bv)->size()))
1489                 return FINISHED;
1490         if (activate_inset && checkAndActivateInset(bv, behind))
1491                 return DISPATCHED;
1492         getLyXText(bv)->cursorRight(bv);
1493         if (!selecting)
1494                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1495         return DISPATCHED_NOUPDATE;
1496 }
1497
1498
1499 UpdatableInset::RESULT
1500 InsetText::moveLeftIntern(BufferView * bv, bool behind,
1501                           bool activate_inset, bool selecting)
1502 {
1503         if (!cpar(bv)->previous() && (cpos(bv) <= 0))
1504                 return FINISHED;
1505         getLyXText(bv)->cursorLeft(bv);
1506         if (!selecting)
1507                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1508         if (activate_inset && checkAndActivateInset(bv, behind))
1509                 return DISPATCHED;
1510         return DISPATCHED_NOUPDATE;
1511 }
1512
1513
1514 UpdatableInset::RESULT
1515 InsetText::moveUp(BufferView * bv)
1516 {
1517         if (!crow(bv)->previous())
1518                 return FINISHED;
1519         getLyXText(bv)->cursorUp(bv);
1520         return DISPATCHED_NOUPDATE;
1521 }
1522
1523
1524 UpdatableInset::RESULT
1525 InsetText::moveDown(BufferView * bv)
1526 {
1527         if (!crow(bv)->next())
1528                 return FINISHED;
1529         getLyXText(bv)->cursorDown(bv);
1530         return DISPATCHED_NOUPDATE;
1531 }
1532
1533
1534 bool InsetText::insertInset(BufferView * bv, Inset * inset)
1535 {
1536         if (the_locking_inset) {
1537                 if (the_locking_inset->insetAllowed(inset))
1538                         return the_locking_inset->insertInset(bv, inset);
1539                 return false;
1540         }
1541         inset->setOwner(this);
1542         hideInsetCursor(bv);
1543
1544         bool clear = false;
1545         if (!lt) {
1546                 lt = getLyXText(bv);
1547                 clear = true;
1548         }
1549         lt->insertInset(bv, inset);
1550 #if 0
1551         if ((cpar(bv)->getChar(cpos(bv)) != Paragraph::META_INSET) ||
1552                 (cpar(bv)->getInset(cpos(bv)) != inset))
1553                 lt->cursorLeft(bv);
1554 #endif
1555         bv->fitCursor();
1556         updateLocal(bv, CURSOR_PAR|CURSOR, true);
1557         showInsetCursor(bv);
1558         if (clear)
1559                 lt = 0;
1560         return true;
1561 }
1562
1563
1564 bool InsetText::insetAllowed(Inset::Code code) const
1565 {
1566         if (the_locking_inset)
1567                 return the_locking_inset->insetAllowed(code);
1568         return true;
1569 }
1570
1571
1572 UpdatableInset * InsetText::getLockingInset() const
1573 {
1574         return the_locking_inset ? the_locking_inset->getLockingInset() :
1575                 const_cast<InsetText *>(this);
1576 }
1577
1578
1579 UpdatableInset * InsetText::getFirstLockingInsetOfType(Inset::Code c)
1580 {
1581         if (c == lyxCode())
1582                 return this;
1583         if (the_locking_inset)
1584                 return the_locking_inset->getFirstLockingInsetOfType(c);
1585         return 0;
1586 }
1587
1588
1589 bool InsetText::showInsetDialog(BufferView * bv) const
1590 {
1591         if (the_locking_inset)
1592                 return the_locking_inset->showInsetDialog(bv);
1593         return false;
1594 }
1595
1596
1597 std::vector<string> const InsetText::getLabelList() const
1598 {
1599         std::vector<string> label_list;
1600
1601         Paragraph * tpar = par;
1602         while (tpar) {
1603                 Paragraph::inset_iterator beg = tpar->inset_iterator_begin();
1604                 Paragraph::inset_iterator end = tpar->inset_iterator_end();
1605                 for (; beg != end; ++beg) {
1606                         std::vector<string> const l = (*beg)->getLabelList();
1607                         label_list.insert(label_list.end(), l.begin(), l.end());
1608                 }
1609                 tpar = tpar->next();
1610         }
1611         return label_list;
1612 }
1613
1614
1615 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
1616                         bool selectall)
1617 {
1618         if (the_locking_inset) {
1619                 the_locking_inset->setFont(bv, font, toggleall, selectall);
1620                 return;
1621         }
1622         if ((!par->next() && !par->size()) || !cpar(bv)->size()) {
1623                 getLyXText(bv)->setFont(bv, font, toggleall);
1624                 return;
1625         }
1626         bool clear = false;
1627         if (!lt) {
1628                 lt = getLyXText(bv);
1629                 clear = true;
1630         }
1631         if (lt->selection.set()) {
1632                 setUndo(bv, Undo::EDIT, lt->cursor.par(), lt->cursor.par()->next());
1633         }
1634         if (selectall)
1635                 selectAll(bv);
1636         lt->toggleFree(bv, font, toggleall);
1637         if (selectall)
1638                 lt->clearSelection();
1639         bv->fitCursor();
1640         if (selectall || lt->selection.set())
1641                 updateLocal(bv, FULL, true);
1642         else
1643                 updateLocal(bv, CURSOR_PAR, true);
1644         if (clear)
1645                 lt = 0;
1646 }
1647
1648
1649 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1650 {
1651         if (cpar(bv)->getChar(cpos(bv)) == Paragraph::META_INSET) {
1652                 unsigned int x;
1653                 unsigned int y;
1654                 Inset * inset =
1655                         static_cast<UpdatableInset*>(cpar(bv)->getInset(cpos(bv)));
1656                 if (!inset || inset->editable() != Inset::HIGHLY_EDITABLE)
1657                         return false;
1658                 LyXFont const font =
1659                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1660                 if (behind) {
1661                         x = inset->width(bv, font);
1662                         y = font.isRightToLeft() ? 0 : inset->descent(bv, font);
1663                 } else {
1664                         x = 0;
1665                         y = font.isRightToLeft() ? inset->descent(bv, font) : 0;
1666                 }
1667                 //inset_x = cx(bv) - top_x + drawTextXOffset;
1668                 //inset_y = cy(bv) + drawTextYOffset;
1669                 inset->edit(bv, x, y, 0);
1670                 if (!the_locking_inset)
1671                         return false;
1672                 updateLocal(bv, CURSOR, false);
1673                 return true;
1674         }
1675         return false;
1676 }
1677
1678
1679 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1680                                       int button)
1681 {
1682         x -= drawTextXOffset;
1683         int dummyx = x;
1684         int dummyy = y + insetAscent;
1685         Inset * inset = bv->checkInsetHit(getLyXText(bv), dummyx, dummyy, button);
1686
1687         if (inset) {
1688                 if (x < 0)
1689                         x = insetWidth;
1690                 if (y < 0)
1691                         y = insetDescent;
1692                 inset_x = cx(bv) - top_x + drawTextXOffset;
1693                 inset_y = cy(bv) + drawTextYOffset;
1694                 inset->edit(bv, x - inset_x, y - inset_y, button);
1695                 if (!the_locking_inset)
1696                         return false;
1697                 updateLocal(bv, CURSOR, false);
1698                 return true;
1699         }
1700         return false;
1701 }
1702
1703
1704 int InsetText::getMaxWidth(BufferView * bv, UpdatableInset const * inset) const
1705 {
1706 #if 0
1707         int w = UpdatableInset::getMaxWidth(bv, inset);
1708         if (w < 0) {
1709                 return -1;
1710         }
1711         if (owner()) {
1712                 w = w - top_x + owner()->x();
1713                 return w;
1714         }
1715         w -= (2 * TEXT_TO_INSET_OFFSET);
1716         return w - top_x;
1717 #else
1718         return UpdatableInset::getMaxWidth(bv, inset);
1719 #endif
1720 }
1721
1722
1723 void InsetText::setParagraphData(Paragraph * p)
1724 {
1725         // we have to unlock any locked inset otherwise we're in troubles
1726         the_locking_inset = 0;
1727         while (par) {
1728                 Paragraph * tmp = par->next();
1729                 delete par;
1730                 par = tmp;
1731         }
1732
1733         par = new Paragraph(*p);
1734         par->setInsetOwner(this);
1735         Paragraph * np = par;
1736         while (p->next()) {
1737                 p = p->next();
1738                 np->next(new Paragraph(*p));
1739                 np->next()->previous(np);
1740                 np = np->next();
1741                 np->setInsetOwner(this);
1742         }
1743         reinitLyXText(true);
1744 }
1745
1746
1747 void InsetText::setText(string const & data)
1748 {
1749         clear();
1750         LyXFont font(LyXFont::ALL_SANE);
1751         for (unsigned int i=0; i < data.length(); ++i)
1752                 par->insertChar(i, data[i], font);
1753 }
1754
1755
1756 void InsetText::setAutoBreakRows(bool flag)
1757 {
1758         if (flag != autoBreakRows) {
1759                 autoBreakRows = flag;
1760                 need_update = FULL;
1761                 if (!flag)
1762                         removeNewlines();
1763                 reinitLyXText(true);
1764         }
1765 }
1766
1767
1768 void InsetText::setDrawFrame(BufferView * bv, DrawFrame how)
1769 {
1770         if (how != drawFrame_) {
1771                 drawFrame_ = how;
1772                 if (bv)
1773                         updateLocal(bv, DRAW_FRAME, false);
1774         }
1775 }
1776
1777
1778 void InsetText::setFrameColor(BufferView * bv, LColor::color col)
1779 {
1780         if (frame_color != col) {
1781                 frame_color = col;
1782                 if (bv)
1783                         updateLocal(bv, DRAW_FRAME, false);
1784         }
1785 }
1786
1787
1788 int InsetText::cx(BufferView * bv) const
1789 {
1790         bool clear = false;
1791         if (!lt) {
1792                 lt = getLyXText(bv);
1793                 clear = true;
1794         }
1795         int x = lt->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1796         if (the_locking_inset) {
1797                 LyXFont font = lt->getFont(bv->buffer(),
1798                                              lt->cursor.par(),
1799                                              lt->cursor.pos());
1800                 if (font.isVisibleRightToLeft())
1801                         x -= the_locking_inset->width(bv, font);
1802         }
1803         if (clear)
1804                 lt = 0;
1805         return x;
1806 }
1807
1808
1809 int InsetText::cy(BufferView * bv) const
1810 {
1811         LyXFont font;
1812         return getLyXText(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
1813 }
1814
1815
1816 Paragraph::size_type InsetText::cpos(BufferView * bv) const
1817 {
1818         return getLyXText(bv)->cursor.pos();
1819 }
1820
1821
1822 Paragraph * InsetText::cpar(BufferView * bv) const
1823 {
1824         return getLyXText(bv)->cursor.par();
1825 }
1826
1827
1828 bool InsetText::cboundary(BufferView * bv) const
1829 {
1830         return getLyXText(bv)->cursor.boundary();
1831 }
1832
1833
1834 Row * InsetText::crow(BufferView * bv) const
1835 {
1836         return getLyXText(bv)->cursor.row();
1837 }
1838
1839
1840 LyXText * InsetText::getLyXText(BufferView const * lbv,
1841                                           bool const recursive) const
1842 {
1843         if (!recursive && (cached_bview == lbv))
1844                 return cached_text.get();
1845
1846         // Super UGLY! (Lgb)
1847         BufferView * bv = const_cast<BufferView *>(lbv);
1848
1849         cached_bview = bv;
1850         Cache::iterator it = cache.find(bv);
1851
1852         if (it != cache.end()) {
1853                 if (lt || !it->second.remove) {
1854                         lyx::Assert(it->second.text.get());
1855                         cached_text = it->second.text;
1856                         if (recursive && the_locking_inset) {
1857                                 return the_locking_inset->getLyXText(bv, true);
1858                         }
1859                         return cached_text.get();
1860                 } else if (it->second.remove) {
1861                         if (locked) {
1862                                 saveLyXTextState(it->second.text.get());
1863                         } else {
1864                                 sstate.lpar = 0;
1865                         }
1866                 }
1867         }
1868
1869         cached_text.reset(new LyXText(const_cast<InsetText *>(this)));
1870         cached_text->init(bv);
1871         restoreLyXTextState(bv, cached_text.get());
1872
1873         cache.insert(make_pair(bv, cached_text));
1874
1875         if (the_locking_inset && recursive) {
1876                 return the_locking_inset->getLyXText(bv);
1877         }
1878         return cached_text.get();
1879 }
1880
1881
1882 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1883 {
1884         cached_bview = 0;
1885
1886         Cache::iterator it = cache.find(bv);
1887
1888         if (it == cache.end()) {
1889                 return;
1890         }
1891
1892         lyx::Assert(it->second.text.get());
1893
1894         it->second.remove = true;
1895         if (recursive) {
1896                 /// then remove all LyXText in text-insets
1897                 Paragraph * p = par;
1898                 for (; p; p = p->next()) {
1899                         p->deleteInsetsLyXText(bv);
1900                 }
1901         }
1902 }
1903
1904
1905 void InsetText::resizeLyXText(BufferView * bv, bool force) const
1906 {
1907         if (!par->next() && !par->size()) // no data, resize not neccessary!
1908                 return;
1909         // one endless line, resize normally not necessary
1910         if (!force && getMaxWidth(bv, this) < 0)
1911                 return;
1912
1913         Cache::iterator it = cache.find(bv);
1914         if (it == cache.end()) {
1915                 return;
1916         }
1917         lyx::Assert(it->second.text.get());
1918
1919         LyXText * t = it->second.text.get();
1920         saveLyXTextState(t);
1921         for (Paragraph * p = par; p; p = p->next()) {
1922                 p->resizeInsetsLyXText(bv);
1923         }
1924         t->init(bv, true);
1925         restoreLyXTextState(bv, t);
1926         if (the_locking_inset) {
1927                 inset_x = cx(bv) - top_x + drawTextXOffset;
1928                 inset_y = cy(bv) + drawTextYOffset;
1929         }
1930
1931         if (bv->screen()) {
1932                 t->first = bv->screen()->topCursorVisible(t);
1933         }
1934         if (!owner()) {
1935                 updateLocal(bv, FULL, false);
1936                 // this will scroll the screen such that the cursor becomes visible
1937                 bv->updateScrollbar();
1938         } else {
1939                 need_update |= FULL;
1940         }
1941 }
1942
1943
1944 void InsetText::reinitLyXText(bool wrong_cursor) const
1945 {
1946         for(Cache::iterator it = cache.begin(); it != cache.end(); ++it) {
1947                 lyx::Assert(it->second.text.get());
1948
1949                 LyXText * t = it->second.text.get();
1950                 BufferView * bv = it->first;
1951
1952                 if (wrong_cursor) {
1953                         t->cursor.par(par);
1954                         t->cursor.pos(0);
1955                         t->clearSelection();
1956                 }
1957                 saveLyXTextState(t);
1958                 for (Paragraph * p = par; p; p = p->next()) {
1959                         p->resizeInsetsLyXText(bv);
1960                 }
1961                 t->init(bv, true);
1962                 restoreLyXTextState(bv, t);
1963                 if (the_locking_inset) {
1964                         inset_x = cx(bv) - top_x + drawTextXOffset;
1965                         inset_y = cy(bv) + drawTextYOffset;
1966                 }
1967                 if (bv->screen()) {
1968                         t->first = bv->screen()->topCursorVisible(t);
1969                 }
1970                 if (!owner()) {
1971                         updateLocal(bv, FULL, false);
1972                         // this will scroll the screen such that the cursor becomes visible
1973                         bv->updateScrollbar();
1974                 } else {
1975                         need_update = FULL;
1976                 }
1977         }
1978 }
1979
1980
1981 void InsetText::removeNewlines()
1982 {
1983         for (Paragraph * p = par; p; p = p->next()) {
1984                 for (int i = 0; i < p->size(); ++i) {
1985                         if (p->getChar(i) == Paragraph::META_NEWLINE)
1986                                 p->erase(i);
1987                 }
1988         }
1989 }
1990
1991
1992 bool InsetText::nodraw() const
1993 {
1994         if (the_locking_inset)
1995                 return the_locking_inset->nodraw();
1996         return UpdatableInset::nodraw();
1997 }
1998
1999
2000 int InsetText::scroll(bool recursive) const
2001 {
2002         int sx = UpdatableInset::scroll(false);
2003
2004         if (recursive && the_locking_inset)
2005                 sx += the_locking_inset->scroll(recursive);
2006
2007         return sx;
2008 }
2009
2010
2011 bool InsetText::doClearArea() const
2012 {
2013         return !locked || (need_update & (FULL|INIT));
2014 }
2015
2016
2017 void InsetText::selectAll(BufferView * bv)
2018 {
2019         getLyXText(bv)->cursorTop(bv);
2020         getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
2021         getLyXText(bv)->cursorBottom(bv);
2022         getLyXText(bv)->setSelection(bv);
2023 }
2024
2025
2026 void InsetText::clearSelection(BufferView * bv)
2027 {
2028         getLyXText(bv)->clearSelection();
2029 }
2030
2031
2032 void InsetText::clearInset(Painter & pain, int baseline, bool & cleared) const
2033 {
2034         int w = insetWidth;
2035         int h = insetAscent + insetDescent;
2036         int ty = baseline - insetAscent;
2037
2038         if (ty < 0) {
2039                 h += ty;
2040                 ty = 0;
2041         }
2042         if ((ty + h) > pain.paperHeight())
2043                 h = pain.paperHeight();
2044         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
2045                 w = pain.paperWidth();
2046 //      w -= TEXT_TO_INSET_OFFSET;
2047         pain.fillRectangle(top_x, ty, w+1, h+1, backgroundColor());
2048         cleared = true;
2049         need_update = FULL;
2050         frame_is_visible = false;
2051 }
2052
2053
2054 Paragraph * InsetText::getParFromID(int id) const
2055 {
2056 #if 0
2057         Paragraph * result = par;
2058         Paragraph * ires = 0;
2059         while (result && result->id() != id) {
2060                 if ((ires = result->getParFromID(id)))
2061                         return ires;
2062                 result = result->next();
2063         }
2064         return result;
2065 #else
2066         Paragraph * tmp = par;
2067         while (tmp) {
2068                 int tmp_id = tmp->id();
2069                 lyxerr << "Looking at paragraph: " << tmp_id << endl;
2070                 if (tmp->id() == id) {
2071                         return tmp;
2072                 }
2073                 Paragraph * tmp2 = tmp->getParFromID(id);
2074                 if (tmp2 != 0) {
2075                         return tmp2;
2076                 }
2077                 tmp = tmp->next();
2078         }
2079         return 0;
2080 #endif
2081 }
2082
2083
2084 Paragraph * InsetText::firstParagraph() const
2085 {
2086         Paragraph * result;
2087         if (the_locking_inset)
2088                 if ((result = the_locking_inset->firstParagraph()))
2089                         return result;
2090         return par;
2091 }
2092
2093
2094 LyXCursor const & InsetText::cursor(BufferView * bv) const
2095 {
2096                 if (the_locking_inset)
2097                                 return the_locking_inset->cursor(bv);
2098                 return getLyXText(bv)->cursor;
2099 }
2100
2101
2102 Paragraph * InsetText::paragraph() const
2103 {
2104         return par;
2105 }
2106
2107
2108 void InsetText::paragraph(Paragraph * p)
2109 {
2110         par = p;
2111 #if 0
2112         // we now have to update/redraw all instances
2113         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit) {
2114                 delete cit->second;
2115                 cit->second = 0;
2116         }
2117 #endif
2118         // redraw myself when asked for
2119         need_update |= INIT;
2120 }
2121
2122
2123 Inset * InsetText::getInsetFromID(int id_arg) const
2124 {
2125         if (id_arg == id())
2126                 return const_cast<InsetText *>(this);
2127
2128         Paragraph * lp = par;
2129
2130         while(lp) {
2131                 for (Paragraph::inset_iterator it = lp->inset_iterator_begin(),
2132                          en = lp->inset_iterator_end();
2133                          it != en; ++it)
2134                 {
2135                         if ((*it)->id() == id_arg)
2136                                 return *it;
2137                         Inset * in = (*it)->getInsetFromID(id_arg);
2138                         if (in)
2139                                 return in;
2140                 }
2141                 lp = lp->next();
2142         }
2143         return 0;
2144 }
2145
2146
2147 string const InsetText::selectNextWord(BufferView * bv, float & value) const
2148 {
2149         bool clear = false;
2150         string str;
2151
2152         if (!lt) {
2153                 lt = getLyXText(bv);
2154                 clear = true;
2155         }
2156         if (the_locking_inset) {
2157                 str = the_locking_inset->selectNextWord(bv, value);
2158                 if (!str.empty()) {
2159                         value += cy(bv);
2160                         if (clear)
2161                                 lt = 0;
2162                         return str;
2163                 }
2164 #warning Dekel please have a look on this one RTL? (Jug)
2165                 // we have to go on checking so move cusor to the right
2166                 lt->cursor.pos(lt->cursor.pos() + 1);
2167         }
2168         str = lt->selectNextWord(bv, value);
2169         if (str.empty())
2170                 bv->unlockInset(const_cast<InsetText *>(this));
2171         else
2172                 value = cy(bv);
2173         if (clear)
2174                 lt = 0;
2175         return str;
2176 }
2177
2178
2179 void InsetText::selectSelectedWord(BufferView * bv)
2180 {
2181         if (the_locking_inset) {
2182                 the_locking_inset->selectSelectedWord(bv);
2183                 return;
2184         }
2185         getLyXText(bv)->selectSelectedWord(bv);
2186         updateLocal(bv, SELECTION, false);
2187 }
2188
2189
2190 void InsetText::toggleSelection(BufferView * bv, bool kill_selection)
2191 {
2192         if (the_locking_inset) {
2193                 the_locking_inset->toggleSelection(bv, kill_selection);
2194         }
2195         bool clear = false;
2196         if (!lt) {
2197                 lt = getLyXText(bv);
2198                 clear = true;
2199         }
2200
2201         int x = top_x + TEXT_TO_INSET_OFFSET;
2202
2203         int y = 0;
2204         Row * row = lt->getRowNearY(y);
2205         int y_offset = top_baseline - row->ascent_of_text();
2206         y = y_offset;
2207         while ((row != 0) && ((y+row->height()) <= 0)) {
2208                 y += row->height();
2209                 row = row->next();
2210         }
2211         if (y_offset < 0)
2212                 y_offset = y;
2213
2214         if (need_update & SELECTION)
2215                 need_update = NONE;
2216         bv->screen()->toggleSelection(lt, bv, kill_selection, y_offset, x);
2217         if (clear)
2218                 lt = 0;
2219 }
2220
2221
2222 bool InsetText::searchForward(BufferView * bv, string const & str,
2223                               bool const & cs, bool const & mw)
2224 {
2225         if (the_locking_inset) {
2226                 if (the_locking_inset->searchForward(bv, str, cs, mw))
2227                         return true;
2228                 bool clear = false;
2229                 if (!lt) {
2230                         lt = getLyXText(bv);
2231                         clear = true;
2232                 }
2233                 Paragraph * lpar = lt->cursor.par();
2234                 Paragraph::size_type pos = lt->cursor.pos();
2235                 if (pos < lpar->size() - 1)
2236                         ++pos;
2237                 else {
2238                         pos = 0;
2239                         lpar = lpar->next();
2240                 }
2241                 if (!lpar) {
2242                         if (clear)
2243                                 lt = 0;
2244                         return false;
2245                 }
2246                 lt->setCursor(bv, lpar, pos);
2247                 if (clear)
2248                         lt = 0;
2249         }
2250         if (LyXFind(bv, str, true, true, cs , mw)) {
2251                 return true;
2252         }
2253         // we have to unlock ourself in this function by default!
2254         bv->unlockInset(const_cast<InsetText *>(this));
2255         return false;
2256 }
2257
2258 bool InsetText::searchBackward(BufferView * bv, string const & str,
2259                                bool const & cs, bool const & mw)
2260 {
2261         if (the_locking_inset)
2262                 if (the_locking_inset->searchBackward(bv, str, cs, mw))
2263                         return true;
2264         if (LyXFind(bv, str, false, true, cs, mw)) {
2265                 return true;
2266         }
2267         // we have to unlock ourself in this function by default!
2268         bv->unlockInset(const_cast<InsetText *>(this));
2269         return false;
2270 }