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