src/insets/insettext.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1998-2001 The LyX Team.
   7  *
   8  * ======================================================
   9  */
  10
  11 #include <config.h>
  12
  13 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include "insettext.h"
  18 #include "paragraph.h"
  19 #include "lyxlex.h"
  20 #include "debug.h"
  21 #include "lyxfont.h"
  22 #include "commandtags.h"
  23 #include "buffer.h"
  24 #include "LyXView.h"
  25 #include "BufferView.h"
  26 #include "lyxtextclasslist.h"
  27 #include "LaTeXFeatures.h"
  28 #include "Painter.h"
  29 #include "lyxtext.h"
  30 #include "lyxcursor.h"
  31 #include "CutAndPaste.h"
  32 #include "font.h"
  33 #include "LColor.h"
  34 #include "lyxrow.h"
  35 #include "lyxrc.h"
  36 #include "intl.h"
  37 #include "trans_mgr.h"
  38 #include "lyxscreen.h"
  39 #include "gettext.h"
  40 #include "lyxfunc.h"
  41 #include "ParagraphParameters.h"
  42 #include "undo_funcs.h"
  43 #include "lyxfind.h"
  44
  45 #include "frontends/Alert.h"
  46
  47 #include "support/textutils.h"
  48 #include "support/LAssert.h"
  49 #include "support/lstrings.h"
  50 #include "support/lyxalgo.h" // lyx::count
  51
  52 #include <fstream>
  53 #include <algorithm>
  54 #include <cstdlib>
  55 //#include <csignal>
  56
  57 using std::ostream;
  58 using std::ifstream;
  59 using std::endl;
  60 using std::min;
  61 using std::max;
  62 using std::make_pair;
  63 using std::vector;
  64 using std::pair;
  65
  66 using lyx::pos_type;
  67 using lyx::textclass_type;
  68
  69 extern unsigned char getCurrentTextClass(Buffer *);
  70 extern bool math_insert_greek(BufferView *, char);
  71 extern int greek_kb_flag;
  72
  73
  74 // These functions should probably go into bufferview_funcs somehow (Jug)
  75
  76 void InsetText::saveLyXTextState(LyXText * t) const
  77 {
  78         // check if my paragraphs are still valid
  79         Paragraph * p = par;
  80         while (p) {
  81                 if (p == t->cursor.par())
  82                         break;
  83                 p = p->next();
  84         }
  85
  86         if (p && t->cursor.pos() <= p->size()) {
  87                 sstate.lpar = t->cursor.par();
  88                 sstate.pos = t->cursor.pos();
  89                 sstate.boundary = t->cursor.boundary();
  90                 sstate.selstartpar = t->selection.start.par();
  91                 sstate.selstartpos = t->selection.start.pos();
  92                 sstate.selstartboundary = t->selection.start.boundary();
  93                 sstate.selendpar = t->selection.end.par();
  94                 sstate.selendpos = t->selection.end.pos();
  95                 sstate.selendboundary = t->selection.end.boundary();
  96                 sstate.selection = t->selection.set();
  97                 sstate.mark_set = t->selection.mark();
  98                 sstate.refresh = t->refresh_row != 0;
  99         } else {
 100                 sstate.lpar = 0;
 101         }
 102 }
 103
 104 void InsetText::restoreLyXTextState(BufferView * bv, LyXText * t) const
 105 {
 106         if (sstate.lpar) {
 107                 t->selection.set(true);
 108                 /* at this point just to avoid the Delete-Empty-Paragraph
 109                  * Mechanism when setting the cursor */
 110                 t->selection.mark(sstate.mark_set);
 111                 if (sstate.selection) {
 112                         t->setCursor(bv, sstate.selstartpar, sstate.selstartpos,
 113                                      true, sstate.selstartboundary);
 114                         t->selection.cursor = t->cursor;
 115                         t->setCursor(bv, sstate.selendpar, sstate.selendpos,
 116                                      true, sstate.selendboundary);
 117                         t->setSelection(bv);
 118                         t->setCursor(bv, sstate.lpar, sstate.pos);
 119                 } else {
 120                         t->setCursor(bv, sstate.lpar, sstate.pos, true, sstate.boundary);
 121                         t->selection.cursor = t->cursor;
 122                         t->selection.set(false);
 123                 }
 124                 if (sstate.refresh) {
 125                 }
 126         }
 127 }
 128
 129
 130 InsetText::InnerCache::InnerCache(boost::shared_ptr<LyXText> t)
 131 {
 132         text = t;
 133         remove = false;
 134 }
 135
 136
 137 InsetText::InsetText(BufferParams const & bp)
 138         : UpdatableInset(), lt(0), in_update(false), do_resize(0),
 139           do_reinit(false)
 140 {
 141         par = new Paragraph;
 142         par->layout(textclasslist[bp.textclass].defaultLayoutName());
 143
 144         init();
 145 }
 146
 147
 148 InsetText::InsetText(InsetText const & in, bool same_id)
 149         : UpdatableInset(in, same_id), lt(0), in_update(false), do_resize(0),
 150           do_reinit(false)
 151 {
 152         par = 0;
 153         init(&in, same_id);
 154 }
 155
 156
 157 InsetText & InsetText::operator=(InsetText const & it)
 158 {
 159         init(&it);
 160         return * this;
 161 }
 162
 163
 164 void InsetText::init(InsetText const * ins, bool same_id)
 165 {
 166         if (ins) {
 167                 setParagraphData(ins->par, same_id);
 168                 autoBreakRows = ins->autoBreakRows;
 169                 drawFrame_ = ins->drawFrame_;
 170                 frame_color = ins->frame_color;
 171                 if (same_id)
 172                         id_ = ins->id_;
 173         } else {
 174                 Paragraph * p = par;
 175                 while (p) {
 176                         p->setInsetOwner(this);
 177                         p = p->next();
 178                 }
 179                 the_locking_inset = 0;
 180                 drawFrame_ = NEVER;
 181                 frame_color = LColor::insetframe;
 182                 autoBreakRows = false;
 183         }
 184         top_y = 0;
 185         insetAscent = 0;
 186         insetDescent = 0;
 187         insetWidth = 0;
 188         old_max_width = 0;
 189         no_selection = false;
 190         need_update = FULL;
 191         drawTextXOffset = 0;
 192         drawTextYOffset = 0;
 193         xpos = 0.0;
 194         locked = false;
 195         old_par = 0;
 196         last_drawn_width = -1;
 197         frame_is_visible = false;
 198         cached_bview = 0;
 199         sstate.lpar = 0;
 200         in_insetAllowed = false;
 201 }
 202
 203
 204 InsetText::~InsetText()
 205 {
 206         cached_bview = 0;
 207
 208         // NOTE
 209
 210         while (par) {
 211                 Paragraph * tmp = par->next();
 212                 delete par;
 213                 par = tmp;
 214         }
 215 }
 216
 217
 218 void InsetText::clear()
 219 {
 220         // This is a gross hack...
 221         string old_layout = par->layout();
 222
 223         while (par) {
 224                 Paragraph * tmp = par->next();
 225                 delete par;
 226                 par = tmp;
 227         }
 228         par = new Paragraph;
 229         par->setInsetOwner(this);
 230         par->layout(old_layout);
 231
 232         reinitLyXText();
 233         need_update = INIT;
 234 }
 235
 236
 237 Inset * InsetText::clone(Buffer const &, bool same_id) const
 238 {
 239         return new InsetText(*this, same_id);
 240 }
 241
 242
 243 void InsetText::write(Buffer const * buf, ostream & os) const
 244 {
 245         os << "Text\n";
 246         writeParagraphData(buf, os);
 247 }
 248
 249
 250 void InsetText::writeParagraphData(Buffer const * buf, ostream & os) const
 251 {
 252         par->writeFile(buf, os, buf->params, 0);
 253 }
 254
 255
 256 void InsetText::read(Buffer const * buf, LyXLex & lex)
 257 {
 258         string token;
 259         int pos = 0;
 260         Paragraph * return_par = 0;
 261         Paragraph::depth_type depth = 0;
 262         LyXFont font(LyXFont::ALL_INHERIT);
 263
 264         clear();
 265
 266         while (lex.isOK()) {
 267                 lex.nextToken();
 268                 token = lex.getString();
 269                 if (token.empty())
 270                         continue;
 271                 if (token == "\\end_inset") {
 272 #ifndef NO_COMPABILITY
 273                         const_cast<Buffer*>(buf)->insertErtContents(par, pos, false);
 274 #endif
 275                         break;
 276                 }
 277
 278                 if (const_cast<Buffer*>(buf)->
 279                         parseSingleLyXformat2Token(lex, par, return_par,
 280                                                    token, pos, depth, font)) {
 281                         // the_end read this should NEVER happen
 282                         lex.printError("\\the_end read in inset! Error in document!");
 283                         return;
 284                 }
 285         }
 286         if (!return_par)
 287                 return_par = par;
 288         par = return_par;
 289         while (return_par) {
 290                 return_par->setInsetOwner(this);
 291                 return_par = return_par->next();
 292         }
 293
 294         if (token != "\\end_inset") {
 295                 lex.printError("Missing \\end_inset at this point. "
 296                                            "Read: `$$Token'");
 297         }
 298         need_update = FULL;
 299 }
 300
 301
 302 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 303 {
 304         insetAscent = getLyXText(bv)->firstRow()->ascent_of_text() +
 305                 TEXT_TO_INSET_OFFSET;
 306         return insetAscent;
 307 }
 308
 309
 310 int InsetText::descent(BufferView * bv, LyXFont const &) const
 311 {
 312         LyXText * llt = getLyXText(bv);
 313         insetDescent = llt->height - llt->firstRow()->ascent_of_text() +
 314                 TEXT_TO_INSET_OFFSET;
 315         return insetDescent;
 316 }
 317
 318
 319 int InsetText::width(BufferView * bv, LyXFont const &) const
 320 {
 321         insetWidth = max(textWidth(bv), (int)getLyXText(bv)->width) +
 322                 (2 * TEXT_TO_INSET_OFFSET);
 323         insetWidth = max(insetWidth, 10);
 324         return insetWidth;
 325 }
 326
 327
 328 int InsetText::textWidth(BufferView * bv, bool fordraw) const
 329 {
 330         int w;
 331         if (!autoBreakRows) {
 332                 w = -1;
 333         } else {
 334                 w = getMaxWidth(bv, this);
 335         }
 336         if (fordraw) {
 337                 return max(w - (2 * TEXT_TO_INSET_OFFSET),
 338                            (int)getLyXText(bv)->width);
 339         } else if (w < 0) {
 340             return -1;
 341         }
 342         return w - (2 * TEXT_TO_INSET_OFFSET);
 343 }
 344
 345
 346 void InsetText::draw(BufferView * bv, LyXFont const & f,
 347                      int baseline, float & x, bool cleared) const
 348 {
 349         if (nodraw())
 350                 return;
 351
 352         Painter & pain = bv->painter();
 353
 354         // this is the first thing we have to ask because if the x pos
 355         // changed we have to do a complete rebreak of the text as we
 356         // may have few space to draw in. Well we should check on this too
 357         int old_x = top_x;
 358         if (top_x != int(x)) {
 359                 top_x = int(x);
 360                 topx_set = true;
 361                 int nw = getMaxWidth(bv, this);
 362                 if (nw > 0 && old_max_width != nw) {
 363                         need_update = INIT;
 364                         old_max_width = nw;
 365                         bv->text->status(bv, LyXText::CHANGED_IN_DRAW);
 366                         return;
 367                 }
 368         }
 369
 370         // call these methods so that insetWidth, insetAscent and
 371         // insetDescent have the right values.
 372         width(bv, f);
 373         ascent(bv, f);
 374         descent(bv, f);
 375
 376         // repaint the background if needed
 377         if (cleared && backgroundColor() != LColor::background) {
 378                 clearInset(bv, baseline, cleared);
 379         }
 380
 381         // no draw is necessary !!!
 382         if ((drawFrame_ == LOCKED) && !locked && !par->size()) {
 383                 top_baseline = baseline;
 384                 x += width(bv, f);
 385                 if (need_update & CLEAR_FRAME)
 386                         clearFrame(pain, cleared);
 387                 need_update = NONE;
 388                 return;
 389         }
 390
 391         xpos = x;
 392         if (!owner())
 393                 x += static_cast<float>(scroll());
 394
 395         // if top_x differs we did it already
 396         if (!cleared && (old_x == int(x))
 397             && ((need_update&(INIT|FULL)) || (top_baseline != baseline)
 398                 ||(last_drawn_width != insetWidth)))
 399         {
 400                 // Condition necessary to eliminate bug 59 attachment 37
 401                 if (baseline > 0)
 402                         clearInset(bv, baseline, cleared);
 403         }
 404
 405         if (cleared)
 406                 frame_is_visible = false;
 407
 408         if (!cleared && (need_update == NONE)) {
 409                 if (locked)
 410                         drawFrame(pain, cleared);
 411                 return;
 412         }
 413
 414         top_baseline = baseline;
 415         top_y = baseline - insetAscent;
 416
 417         if (last_drawn_width != insetWidth) {
 418                 if (!cleared)
 419                         clearInset(bv, baseline, cleared);
 420                 need_update |= FULL;
 421                 last_drawn_width = insetWidth;
 422         }
 423
 424         if (the_locking_inset && (cpar(bv) == inset_par)
 425                 && (cpos(bv) == inset_pos)) {
 426                 inset_x = cx(bv) - top_x + drawTextXOffset;
 427                 inset_y = cy(bv) + drawTextYOffset;
 428         }
 429         if (!cleared && (need_update == CURSOR)
 430             && !getLyXText(bv)->selection.set()) {
 431                 drawFrame(pain, cleared);
 432                 x += insetWidth;
 433                 need_update = NONE;
 434                 return;
 435         }
 436         bool clear = false;
 437         if (!lt) {
 438                 lt = getLyXText(bv);
 439                 clear = true;
 440         }
 441         x += TEXT_TO_INSET_OFFSET;
 442
 443         Row * row = lt->firstRow();
 444         int y_offset = baseline - row->ascent_of_text();
 445         int ph = pain.paperHeight();
 446         int first = 0;
 447         int y = y_offset;
 448         while ((row != 0) && ((y+row->height()) <= 0)) {
 449                 y += row->height();
 450                 first += row->height();
 451                 row = row->next();
 452         }
 453         if (y_offset < 0)
 454                 y_offset = y;
 455         lt->first_y = first;
 456         if (cleared || (need_update&(INIT|FULL))) {
 457                 int yf = y_offset;
 458                 y = 0;
 459                 while ((row != 0) && (yf < ph)) {
 460                         lt->getVisibleRow(bv, y+y_offset, int(x), row,
 461                                                 y+first, cleared);
 462                         y += row->height();
 463                         yf += row->height();
 464                         row = row->next();
 465                 }
 466         } else if (!locked) {
 467                 if (need_update & CURSOR) {
 468                         bv->screen()->toggleSelection(lt, bv, true, y_offset,int(x));
 469                         lt->clearSelection();
 470                         lt->selection.cursor = lt->cursor;
 471                 }
 472                 bv->screen()->update(lt, bv, y_offset, int(x));
 473         } else {
 474                 locked = false;
 475                 if (need_update & SELECTION) {
 476                         bv->screen()->toggleToggle(lt, bv, y_offset, int(x));
 477                 } else if (need_update & CURSOR) {
 478                         bv->screen()->toggleSelection(lt, bv, true, y_offset,int(x));
 479                         lt->clearSelection();
 480                         lt->selection.cursor = lt->cursor;
 481                 }
 482                 bv->screen()->update(lt, bv, y_offset, int(x));
 483                 locked = true;
 484         }
 485
 486         lt->refresh_y = 0;
 487         lt->status(bv, LyXText::UNCHANGED);
 488         if ((drawFrame_ == ALWAYS) ||
 489                 ((cleared || (need_update != CURSOR_PAR)) &&
 490                  (drawFrame_ == LOCKED) && locked))
 491         {
 492                 drawFrame(pain, cleared);
 493         } else if (need_update & CLEAR_FRAME) {
 494                 clearFrame(pain, cleared);
 495         }
 496
 497         x += insetWidth - TEXT_TO_INSET_OFFSET;
 498
 499         if (bv->text->status() == LyXText::CHANGED_IN_DRAW) {
 500                 need_update |= FULL;
 501         } else if (need_update != INIT) {
 502                 need_update = NONE;
 503         }
 504         if (clear)
 505                 lt = 0;
 506 }
 507
 508
 509 void InsetText::drawFrame(Painter & pain, bool cleared) const
 510 {
 511         static int const ttoD2 = TEXT_TO_INSET_OFFSET / 2;
 512         if (!frame_is_visible || cleared) {
 513                 frame_x = top_x + ttoD2;
 514                 frame_y = top_baseline - insetAscent + ttoD2;
 515                 frame_w = insetWidth - TEXT_TO_INSET_OFFSET;
 516                 frame_h = insetAscent + insetDescent - TEXT_TO_INSET_OFFSET;
 517                 pain.rectangle(frame_x, frame_y, frame_w, frame_h,
 518                                frame_color);
 519                 frame_is_visible = true;
 520         }
 521 }
 522
 523
 524 void InsetText::clearFrame(Painter & pain, bool cleared) const
 525 {
 526         if (frame_is_visible) {
 527                 if (!cleared) {
 528                         pain.rectangle(frame_x, frame_y, frame_w, frame_h,
 529                                        backgroundColor());
 530                 }
 531                 frame_is_visible = false;
 532         }
 533 }
 534
 535
 536 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 537 {
 538         if (in_update) {
 539                 if (reinit && owner()) {
 540                         reinitLyXText();
 541                         owner()->update(bv, font, true);
 542                 }
 543                 return;
 544         }
 545         in_update = true;
 546         if (reinit || need_update == INIT) {
 547                 need_update = FULL;
 548                 // we should put this call where we set need_update to INIT!
 549                 reinitLyXText();
 550                 if (owner())
 551                         owner()->update(bv, font, true);
 552                 in_update = false;
 553                 return;
 554         }
 555         if (the_locking_inset) {
 556                 inset_x = cx(bv) - top_x + drawTextXOffset;
 557                 inset_y = cy(bv) + drawTextYOffset;
 558                 the_locking_inset->update(bv, font, reinit);
 559         }
 560
 561         bool clear = false;
 562         if (!lt) {
 563                 lt = getLyXText(bv);
 564                 clear = true;
 565         }
 566         if ((need_update & CURSOR_PAR) && (lt->status() == LyXText::UNCHANGED) &&
 567                 the_locking_inset)
 568         {
 569                 lt->updateInset(bv, the_locking_inset);
 570         }
 571         if (lt->status() == LyXText::NEED_MORE_REFRESH)
 572                 need_update |= FULL;
 573         if (clear)
 574                 lt = 0;
 575         in_update = false;
 576 }
 577
 578
 579 void InsetText::setUpdateStatus(BufferView * bv, int what) const
 580 {
 581         // this does nothing dangerous so use only a localized buffer
 582         LyXText * llt = getLyXText(bv);
 583
 584         need_update |= what;
 585         // we have to redraw us full if our LyXText NEEDS_MORE_REFRES or
 586         // if we don't break row so that we only have one row to update!
 587         if ((llt->status() == LyXText::NEED_MORE_REFRESH) ||
 588             (!autoBreakRows &&
 589              (llt->status() == LyXText::NEED_VERY_LITTLE_REFRESH)))
 590         {
 591                 need_update |= FULL;
 592         } else if (llt->status() == LyXText::NEED_VERY_LITTLE_REFRESH) {
 593                 need_update |= CURSOR_PAR;
 594         }
 595
 596         // this to not draw a selection when we redraw all of it!
 597         if (need_update & CURSOR && !(need_update & SELECTION)) {
 598                 if (llt->selection.set())
 599                         need_update = FULL;
 600                 llt->clearSelection();
 601         }
 602 }
 603
 604
 605 void InsetText::updateLocal(BufferView * bv, int what, bool mark_dirty) const
 606 {
 607         if (!autoBreakRows && par->next())
 608                 collapseParagraphs(bv->buffer()->params);
 609         bool clear = false;
 610         if (!lt) {
 611                 lt = getLyXText(bv);
 612                 clear = true;
 613         }
 614         lt->fullRebreak(bv);
 615         setUpdateStatus(bv, what);
 616         bool flag = (((need_update != CURSOR) && (need_update != NONE)) ||
 617                      (lt->status() != LyXText::UNCHANGED) || lt->selection.set());
 618         if (!lt->selection.set())
 619                 lt->selection.cursor = lt->cursor;
 620         if (clear)
 621                 lt = 0;
 622         if (flag)
 623                 bv->updateInset(const_cast<InsetText *>(this), mark_dirty);
 624         else
 625                 bv->fitCursor();
 626
 627         if (need_update == CURSOR)
 628                 need_update = NONE;
 629         bv->owner()->showState();
 630         bv->owner()->updateMenubar();
 631         bv->owner()->updateToolbar();
 632         if (old_par != cpar(bv)) {
 633                 bv->owner()->setLayout(cpar(bv)->layout());
 634                 old_par = cpar(bv);
 635         }
 636 }
 637
 638
 639 string const InsetText::editMessage() const
 640 {
 641         return _("Opened Text Inset");
 642 }
 643
 644
 645 void InsetText::edit(BufferView * bv, int x, int y, unsigned int button)
 646 {
 647         UpdatableInset::edit(bv, x, y, button);
 648
 649         if (!bv->lockInset(this)) {
 650                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 651                 return;
 652         }
 653         locked = true;
 654         the_locking_inset = 0;
 655         inset_pos = inset_x = inset_y = 0;
 656         inset_boundary = false;
 657         inset_par = 0;
 658         old_par = 0;
 659         int tmp_y = (y < 0) ? 0 : y;
 660         bool clear = false;
 661         if (!lt) {
 662                 lt = getLyXText(bv);
 663                 clear = true;
 664         }
 665         if (!checkAndActivateInset(bv, x, tmp_y, button))
 666                 lt->setCursorFromCoordinates(bv, x - drawTextXOffset,
 667                                             y + insetAscent);
 668         lt->clearSelection();
 669         finishUndo();
 670         // If the inset is empty set the language of the current font to the
 671         // language to the surronding text (if different).
 672         if (par->size() == 0 && !par->next() &&
 673                 bv->getParentLanguage(this) != lt->current_font.language())
 674         {
 675                 LyXFont font(LyXFont::ALL_IGNORE);
 676                 font.setLanguage(bv->getParentLanguage(this));
 677                 setFont(bv, font, false);
 678         }
 679         showInsetCursor(bv);
 680         if (clear)
 681                 lt = 0;
 682
 683         int code = CURSOR;
 684         if (drawFrame_ == LOCKED)
 685                 code = CURSOR|DRAW_FRAME;
 686         updateLocal(bv, code, false);
 687 }
 688
 689
 690 void InsetText::edit(BufferView * bv, bool front)
 691 {
 692         UpdatableInset::edit(bv, front);
 693
 694         if (!bv->lockInset(this)) {
 695                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 696                 return;
 697         }
 698         locked = true;
 699         the_locking_inset = 0;
 700         inset_pos = inset_x = inset_y = 0;
 701         inset_boundary = false;
 702         inset_par = 0;
 703         old_par = 0;
 704         bool clear = false;
 705         if (!lt) {
 706                 lt = getLyXText(bv);
 707                 clear = true;
 708         }
 709         if (front)
 710                 lt->setCursor(bv, par, 0);
 711         else {
 712                 Paragraph * p = par;
 713                 while (p->next())
 714                         p = p->next();
 715 //              int const pos = (p->size() ? p->size()-1 : p->size());
 716                 lt->setCursor(bv, p, p->size());
 717         }
 718         lt->clearSelection();
 719         finishUndo();
 720         // If the inset is empty set the language of the current font to the
 721         // language to the surronding text (if different).
 722         if (par->size() == 0 && !par->next() &&
 723                 bv->getParentLanguage(this) != lt->current_font.language()) {
 724                 LyXFont font(LyXFont::ALL_IGNORE);
 725                 font.setLanguage(bv->getParentLanguage(this));
 726                 setFont(bv, font, false);
 727         }
 728         showInsetCursor(bv);
 729         if (clear)
 730                 lt = 0;
 731         int code = CURSOR;
 732         if (drawFrame_ == LOCKED)
 733                 code = CURSOR|DRAW_FRAME;
 734         updateLocal(bv, code, false);
 735 }
 736
 737
 738 void InsetText::insetUnlock(BufferView * bv)
 739 {
 740         if (the_locking_inset) {
 741                 the_locking_inset->insetUnlock(bv);
 742                 the_locking_inset = 0;
 743         }
 744         hideInsetCursor(bv);
 745         no_selection = false;
 746         locked = false;
 747         int code;
 748         if (drawFrame_ == LOCKED)
 749                 code = CURSOR|CLEAR_FRAME;
 750         else
 751                 code = CURSOR;
 752         bool clear = false;
 753         if (!lt) {
 754                 lt = getLyXText(bv);
 755                 clear = true;
 756         }
 757         if (lt->selection.set()) {
 758                 lt->clearSelection();
 759                 code = FULL;
 760         } else if (owner()) {
 761                 bv->owner()->setLayout(owner()->getLyXText(bv)
 762                                        ->cursor.par()->layout());
 763         } else
 764                 bv->owner()->setLayout(bv->text->cursor.par()->layout());
 765         // hack for deleteEmptyParMech
 766         if (par->size()) {
 767                 lt->setCursor(bv, par, 0);
 768         } else if (par->next()) {
 769                 lt->setCursor(bv, par->next(), 0);
 770         }
 771         if (clear)
 772                 lt = 0;
 773         updateLocal(bv, code, false);
 774 }
 775
 776 void InsetText::lockInset(BufferView * bv, UpdatableInset * inset)
 777 {
 778         the_locking_inset = inset;
 779         inset_x = cx(bv) - top_x + drawTextXOffset;
 780         inset_y = cy(bv) + drawTextYOffset;
 781         inset_pos = cpos(bv);
 782         inset_par = cpar(bv);
 783         inset_boundary = cboundary(bv);
 784         updateLocal(bv, CURSOR, false);
 785 }
 786
 787
 788 bool InsetText::lockInsetInInset(BufferView * bv, UpdatableInset * inset)
 789 {
 790         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 791                               << inset << "): ";
 792         if (!inset)
 793                 return false;
 794         if (!the_locking_inset) {
 795                 Paragraph * p = par;
 796                 int const id = inset->id();
 797                 while(p) {
 798                         Paragraph::inset_iterator it =
 799                                 p->inset_iterator_begin();
 800                         Paragraph::inset_iterator const end =
 801                                 p->inset_iterator_end();
 802                         for (; it != end; ++it) {
 803                                 if ((*it) == inset) {
 804                                         getLyXText(bv)->setCursorIntern(bv, p, it.getPos());
 805                                         lockInset(bv, inset);
 806                                         return true;
 807                                 }
 808                                 if ((*it)->getInsetFromID(id)) {
 809                                         getLyXText(bv)->setCursorIntern(bv, p, it.getPos());
 810                                         (*it)->edit(bv);
 811                                         return the_locking_inset->lockInsetInInset(bv, inset);
 812                                 }
 813                         }
 814                         p = p->next();
 815                 }
 816                 return false;
 817         }
 818         if (inset == cpar(bv)->getInset(cpos(bv))) {
 819                 lyxerr[Debug::INSETS] << "OK" << endl;
 820                 lockInset(bv, inset);
 821                 return true;
 822         } else if (the_locking_inset && (the_locking_inset == inset)) {
 823                 if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 824                         lyxerr[Debug::INSETS] << "OK" << endl;
 825                         inset_x = cx(bv) - top_x + drawTextXOffset;
 826                         inset_y = cy(bv) + drawTextYOffset;
 827                 } else {
 828                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 829                 }
 830         } else if (the_locking_inset) {
 831                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 832                 return the_locking_inset->lockInsetInInset(bv, inset);
 833         }
 834         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 835         return false;
 836 }
 837
 838
 839 bool InsetText::unlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 840                                    bool lr)
 841 {
 842         if (!the_locking_inset)
 843                 return false;
 844         if (the_locking_inset == inset) {
 845                 the_locking_inset->insetUnlock(bv);
 846                 getLyXText(bv)->updateInset(bv, inset);
 847                 the_locking_inset = 0;
 848                 if (lr)
 849                         moveRight(bv, false);
 850                 old_par = 0; // force layout setting
 851                 if (scroll())
 852                         scroll(bv, 0.0F);
 853                 else
 854                         updateLocal(bv, CURSOR, false);
 855                 return true;
 856         }
 857         return the_locking_inset->unlockInsetInInset(bv, inset, lr);
 858 }
 859
 860
 861 bool InsetText::updateInsetInInset(BufferView * bv, Inset * inset)
 862 {
 863         if (!autoBreakRows && par->next())
 864                 collapseParagraphs(bv->buffer()->params);
 865         if (inset == this)
 866                 return true;
 867         bool clear = false;
 868         if (!lt) {
 869                 lt = getLyXText(bv);
 870                 clear = true;
 871         }
 872         if (!the_locking_inset) {
 873                 bool found = lt->updateInset(bv, inset);
 874                 if (clear)
 875                         lt = 0;
 876                 if (found)
 877                         setUpdateStatus(bv, NONE);
 878                 return found;
 879         }
 880         if (the_locking_inset != inset) {
 881                 bool found = the_locking_inset->updateInsetInInset(bv, inset);
 882                 if (clear)
 883                         lt = 0;
 884                 if (found)
 885                         setUpdateStatus(bv, CURSOR_PAR);
 886                 return found;
 887         }
 888         bool found = lt->updateInset(bv, inset);
 889         if (clear)
 890                 lt = 0;
 891         if (found) {
 892                 setUpdateStatus(bv, CURSOR_PAR);
 893                 if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 894                         inset_x = cx(bv) - top_x + drawTextXOffset;
 895                         inset_y = cy(bv) + drawTextYOffset;
 896                 }
 897         }
 898         return found;
 899 }
 900
 901
 902 void InsetText::insetButtonPress(BufferView * bv, int x, int y, int button)
 903 {
 904         no_selection = true;
 905
 906         // use this to check mouse motion for selection!
 907         mouse_x = x;
 908         mouse_y = y;
 909
 910         int tmp_x = x - drawTextXOffset;
 911         int tmp_y = y + insetAscent - getLyXText(bv)->first_y;
 912         Inset * inset = bv->checkInsetHit(getLyXText(bv), tmp_x, tmp_y);
 913
 914         hideInsetCursor(bv);
 915         if (the_locking_inset) {
 916                 if (the_locking_inset == inset) {
 917                         the_locking_inset->insetButtonPress(bv,
 918                                                             x - inset_x,
 919                                                             y - inset_y,
 920                                                             button);
 921                         no_selection = false;
 922                         return;
 923                 } else if (inset) {
 924                         // otherwise unlock the_locking_inset and lock the new inset
 925                         the_locking_inset->insetUnlock(bv);
 926                         inset_x = cx(bv) - top_x + drawTextXOffset;
 927                         inset_y = cy(bv) + drawTextYOffset;
 928                         the_locking_inset = 0;
 929                         inset->insetButtonPress(bv, x - inset_x,
 930                                                 y - inset_y, button);
 931 //                      inset->edit(bv, x - inset_x, y - inset_y, button);
 932                         if (the_locking_inset)
 933                                 updateLocal(bv, CURSOR, false);
 934                         no_selection = false;
 935                         return;
 936                 }
 937                 // otherwise only unlock the_locking_inset
 938                 the_locking_inset->insetUnlock(bv);
 939                 the_locking_inset = 0;
 940         }
 941         if (bv->theLockingInset()) {
 942                 if (isHighlyEditableInset(inset)) {
 943                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 944                         inset_x = cx(bv) - top_x + drawTextXOffset;
 945                         inset_y = cy(bv) + drawTextYOffset;
 946                         inset_pos = cpos(bv);
 947                         inset_par = cpar(bv);
 948                         inset_boundary = cboundary(bv);
 949                         the_locking_inset = uinset;
 950                         uinset->insetButtonPress(bv, x - inset_x, y - inset_y,
 951                                                  button);
 952                         uinset->edit(bv, x - inset_x, y - inset_y, 0);
 953                         if (the_locking_inset)
 954                                 updateLocal(bv, CURSOR, false);
 955                         no_selection = false;
 956                         return;
 957                 }
 958         }
 959         if (!inset) { // && (button == 2)) {
 960                 bool paste_internally = false;
 961                 if ((button == 2) && getLyXText(bv)->selection.set()) {
 962                         localDispatch(bv, LFUN_COPY, "");
 963                         paste_internally = true;
 964                 }
 965                 bool clear = false;
 966                 if (!lt) {
 967                         lt = getLyXText(bv);
 968                         clear = true;
 969                 }
 970
 971                 lt->setCursorFromCoordinates(bv, x - drawTextXOffset,
 972                                              y + insetAscent);
 973                 // set the selection cursor!
 974                 lt->selection.cursor = lt->cursor;
 975                 lt->cursor.x_fix(lt->cursor.x());
 976
 977                 if (lt->selection.set()) {
 978                         lt->clearSelection();
 979                         if (clear)
 980                                 lt = 0;
 981                         updateLocal(bv, FULL, false);
 982                 } else {
 983                         lt->clearSelection();
 984                         if (clear)
 985                                 lt = 0;
 986                         updateLocal(bv, CURSOR, false);
 987                 }
 988                 bv->owner()->setLayout(cpar(bv)->layout());
 989                 old_par = cpar(bv);
 990                 // Insert primary selection with middle mouse
 991                 // if there is a local selection in the current buffer,
 992                 // insert this
 993                 if (button == 2) {
 994                         if (paste_internally)
 995                                 localDispatch(bv, LFUN_PASTE, "");
 996                         else
 997                                 localDispatch(bv, LFUN_PASTESELECTION,
 998                                               "paragraph");
 999                 }
1000         } else {
1001                 getLyXText(bv)->clearSelection();
1002         }
1003         showInsetCursor(bv);
1004         no_selection = false;
1005 }
1006
1007
1008 bool InsetText::insetButtonRelease(BufferView * bv, int x, int y, int button)
1009 {
1010         if (the_locking_inset) {
1011                 return the_locking_inset->insetButtonRelease(bv,
1012                                                              x - inset_x, y - inset_y,
1013                                                              button);
1014         }
1015         int tmp_x = x - drawTextXOffset;
1016         int tmp_y = y + insetAscent - getLyXText(bv)->first_y;
1017         Inset * inset = bv->checkInsetHit(getLyXText(bv), tmp_x, tmp_y);
1018         bool ret = false;
1019         if (inset) {
1020                 if (isHighlyEditableInset(inset)) {
1021                         ret = inset->insetButtonRelease(bv, x - inset_x,
1022                                                         y - inset_y, button);
1023                 } else {
1024                         inset_x = cx(bv) - top_x + drawTextXOffset;
1025                         inset_y = cy(bv) + drawTextYOffset;
1026                         ret = inset->insetButtonRelease(bv, x - inset_x,
1027                                                         y - inset_y, button);
1028                         inset->edit(bv, x - inset_x,
1029                                     y - inset_y, button);
1030                 }
1031                 updateLocal(bv, CURSOR_PAR, false);
1032         }
1033         return ret;
1034 }
1035
1036
1037 void InsetText::insetMotionNotify(BufferView * bv, int x, int y, int state)
1038 {
1039         if (no_selection || ((mouse_x == x) && (mouse_y == y)))
1040                 return;
1041         if (the_locking_inset) {
1042                 the_locking_inset->insetMotionNotify(bv, x - inset_x,
1043                                                      y - inset_y,state);
1044                 return;
1045         }
1046         bool clear = false;
1047         if (!lt) {
1048                 lt = getLyXText(bv);
1049                 clear = true;
1050         }
1051         hideInsetCursor(bv);
1052         LyXCursor cur = lt->cursor;
1053         lt->setCursorFromCoordinates(bv, x - drawTextXOffset, y + insetAscent);
1054         if (cur == lt->cursor) {
1055                 if (clear)
1056                         lt = 0;
1057                 return;
1058         }
1059         lt->setSelection(bv);
1060         bool flag = (lt->toggle_cursor.par() != lt->toggle_end_cursor.par() ||
1061                                  lt->toggle_cursor.pos() != lt->toggle_end_cursor.pos());
1062         if (clear)
1063                 lt = 0;
1064         if (flag) {
1065                 updateLocal(bv, SELECTION, false);
1066         }
1067         showInsetCursor(bv);
1068 }
1069
1070
1071 void InsetText::insetKeyPress(XKeyEvent * xke)
1072 {
1073         if (the_locking_inset) {
1074                 the_locking_inset->insetKeyPress(xke);
1075                 return;
1076         }
1077 }
1078
1079
1080 UpdatableInset::RESULT
1081 InsetText::localDispatch(BufferView * bv,
1082                          kb_action action, string const & arg)
1083 {
1084         bool was_empty = par->size() == 0 && !par->next();
1085         no_selection = false;
1086         UpdatableInset::RESULT
1087                 result= UpdatableInset::localDispatch(bv, action, arg);
1088         if (result != UNDISPATCHED) {
1089                 return DISPATCHED;
1090         }
1091
1092         result = DISPATCHED;
1093         if ((action < 0) && arg.empty())
1094                 return FINISHED;
1095
1096         if (the_locking_inset) {
1097                 result = the_locking_inset->localDispatch(bv, action, arg);
1098                 if (result == DISPATCHED_NOUPDATE)
1099                         return result;
1100                 else if (result == DISPATCHED) {
1101                         updateLocal(bv, CURSOR_PAR, false);
1102                         return result;
1103                 } else if (result >= FINISHED) {
1104                         switch (result) {
1105                         case FINISHED_RIGHT:
1106                                 moveRightIntern(bv, false, false);
1107                                 result = DISPATCHED;
1108                                 break;
1109                         case FINISHED_UP:
1110                                 if ((result = moveUp(bv)) >= FINISHED) {
1111                                         updateLocal(bv, CURSOR, false);
1112                                         bv->unlockInset(this);
1113                                 }
1114                                 break;
1115                         case FINISHED_DOWN:
1116                                 if ((result = moveDown(bv)) >= FINISHED) {
1117                                         updateLocal(bv, CURSOR, false);
1118                                         bv->unlockInset(this);
1119                                 }
1120                                 break;
1121                         default:
1122                                 result = DISPATCHED;
1123                                 break;
1124                         }
1125                         the_locking_inset = 0;
1126 #ifdef WITH_WARNINGS
1127 #warning I changed this to always return Dispatched maybe it is wrong (20011001 Jug)
1128 #endif
1129                         return result;
1130                 }
1131         }
1132         hideInsetCursor(bv);
1133         bool clear = false;
1134         if (!lt) {
1135                 lt = getLyXText(bv);
1136                 clear = true;
1137         }
1138         int updwhat = 0;
1139         int updflag = false;
1140         switch (action) {
1141         // Normal chars
1142         case LFUN_SELFINSERT:
1143                 if (bv->buffer()->isReadonly()) {
1144 //          setErrorMessage(N_("Document is read only"));
1145                         break;
1146                 }
1147                 if (!arg.empty()) {
1148                         /* Automatically delete the currently selected
1149                          * text and replace it with what is being
1150                          * typed in now. Depends on lyxrc settings
1151                          * "auto_region_delete", which defaults to
1152                          * true (on). */
1153
1154                         setUndo(bv, Undo::INSERT,
1155                                 lt->cursor.par(), lt->cursor.par()->next());
1156                         bv->setState();
1157                         if (lyxrc.auto_region_delete) {
1158                                 if (lt->selection.set()) {
1159                                         lt->cutSelection(bv, false);
1160                                 }
1161                         }
1162                         lt->clearSelection();
1163                         for (string::size_type i = 0; i < arg.length(); ++i) {
1164                                 bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], lt);
1165                         }
1166                 }
1167                 lt->selection.cursor = lt->cursor;
1168                 updwhat = CURSOR_PAR;
1169                 updflag = true;
1170                 result = DISPATCHED_NOUPDATE;
1171                 break;
1172                 // --- Cursor Movements -----------------------------------
1173         case LFUN_RIGHTSEL:
1174                 finishUndo();
1175                 moveRight(bv, false, true);
1176                 lt->setSelection(bv);
1177                 updwhat = SELECTION;
1178                 break;
1179         case LFUN_RIGHT:
1180                 result = moveRight(bv);
1181                 finishUndo();
1182                 updwhat = CURSOR;
1183                 break;
1184         case LFUN_LEFTSEL:
1185                 finishUndo();
1186                 moveLeft(bv, false, true);
1187                 lt->setSelection(bv);
1188                 updwhat = SELECTION;
1189                 break;
1190         case LFUN_LEFT:
1191                 finishUndo();
1192                 result = moveLeft(bv);
1193                 updwhat = CURSOR;
1194                 break;
1195         case LFUN_DOWNSEL:
1196                 finishUndo();
1197                 moveDown(bv);
1198                 lt->setSelection(bv);
1199                 updwhat = SELECTION;
1200                 break;
1201         case LFUN_DOWN:
1202                 finishUndo();
1203                 result = moveDown(bv);
1204                 updwhat = CURSOR;
1205                 break;
1206         case LFUN_UPSEL:
1207                 finishUndo();
1208                 moveUp(bv);
1209                 lt->setSelection(bv);
1210                 updwhat = SELECTION;
1211                 break;
1212         case LFUN_UP:
1213                 finishUndo();
1214                 result = moveUp(bv);
1215                 updwhat = CURSOR;
1216                 break;
1217         case LFUN_HOME:
1218                 finishUndo();
1219                 lt->cursorHome(bv);
1220                 updwhat = CURSOR;
1221                 break;
1222         case LFUN_END:
1223                 lt->cursorEnd(bv);
1224                 updwhat = CURSOR;
1225                 break;
1226         case LFUN_BACKSPACE: {
1227                 setUndo(bv, Undo::DELETE,
1228                         lt->cursor.par(), lt->cursor.par()->next());
1229                 if (lt->selection.set())
1230                         lt->cutSelection(bv);
1231                 else
1232                         lt->backspace(bv);
1233                 updwhat = CURSOR_PAR;
1234                 updflag = true;
1235         }
1236         break;
1237
1238         case LFUN_DELETE: {
1239                 setUndo(bv, Undo::DELETE,
1240                         lt->cursor.par(), lt->cursor.par()->next());
1241                 if (lt->selection.set()) {
1242                         lt->cutSelection(bv);
1243                 } else {
1244                         lt->Delete(bv);
1245                 }
1246                 updwhat = CURSOR_PAR;
1247                 updflag = true;
1248         }
1249         break;
1250
1251         case LFUN_CUT: {
1252                 setUndo(bv, Undo::DELETE,
1253                         lt->cursor.par(), lt->cursor.par()->next());
1254                 lt->cutSelection(bv);
1255                 updwhat = CURSOR_PAR;
1256                 updflag = true;
1257         }
1258         break;
1259
1260         case LFUN_COPY:
1261                 finishUndo();
1262                 lt->copySelection(bv);
1263                 updwhat = CURSOR_PAR;
1264                 break;
1265         case LFUN_PASTESELECTION:
1266         {
1267                 string const clip(bv->getClipboard());
1268
1269                 if (clip.empty())
1270                         break;
1271                 if (arg == "paragraph") {
1272                         lt->insertStringAsParagraphs(bv, clip);
1273                 } else {
1274                         lt->insertStringAsLines(bv, clip);
1275                 }
1276                 updwhat = CURSOR_PAR;
1277                 updflag = true;
1278                 break;
1279         }
1280         case LFUN_PASTE: {
1281                 if (!autoBreakRows) {
1282
1283                         if (CutAndPaste::nrOfParagraphs() > 1) {
1284                                 Alert::alert(_("Impossible operation"),
1285                                                    _("Cannot include more than one paragraph!"),
1286                                                    _("Sorry."));
1287                                 break;
1288                         }
1289                 }
1290                 setUndo(bv, Undo::INSERT,
1291                         lt->cursor.par(), lt->cursor.par()->next());
1292                 lt->pasteSelection(bv);
1293                 updwhat = CURSOR_PAR;
1294                 updflag = true;
1295         }
1296         break;
1297
1298         case LFUN_BREAKPARAGRAPH:
1299                 if (!autoBreakRows) {
1300                         result = DISPATCHED;
1301                         break;
1302                 }
1303                 lt->breakParagraph(bv, 0);
1304                 updwhat = FULL;
1305                 updflag = true;
1306                 break;
1307         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1308                 if (!autoBreakRows) {
1309                         result = DISPATCHED;
1310                         break;
1311                 }
1312                 lt->breakParagraph(bv, 1);
1313                 updwhat = FULL;
1314                 updflag = true;
1315                 break;
1316
1317         case LFUN_BREAKLINE: {
1318                 if (!autoBreakRows) {
1319                         result = DISPATCHED;
1320                         break;
1321                 }
1322                 setUndo(bv, Undo::INSERT,
1323                         lt->cursor.par(), lt->cursor.par()->next());
1324                 lt->insertChar(bv, Paragraph::META_NEWLINE);
1325                 updwhat = CURSOR_PAR;
1326                 updflag = true;
1327         }
1328         break;
1329
1330         case LFUN_LAYOUT:
1331                 // do not set layouts on non breakable textinsets
1332                 if (autoBreakRows) {
1333                         string cur_layout = cpar(bv)->layout();
1334
1335                         // Derive layout number from given argument (string)
1336                         // and current buffer's textclass (number). */
1337                         textclass_type tclass = bv->buffer()->params.textclass;
1338                         string layout = arg;
1339                         bool hasLayout = textclasslist[tclass].hasLayout(layout);
1340
1341                         // If the entry is obsolete, use the new one instead.
1342                         if (hasLayout) {
1343                                 string const & obs =
1344                                         textclasslist[tclass][layout].
1345                                         obsoleted_by();
1346                                 if (!obs.empty())
1347                                         layout = obs;
1348                         }
1349
1350                         // see if we found the layout number:
1351                         if (!hasLayout) {
1352                                 string const msg = string(N_("Layout ")) + arg + N_(" not known");
1353                                 bv->owner()->getLyXFunc()->dispatch(LFUN_MESSAGE, msg);
1354                                 break;
1355                         }
1356
1357                         if (cur_layout != layout) {
1358                                 cur_layout = layout;
1359                                 lt->setLayout(bv, layout);
1360                                 bv->owner()->setLayout(cpar(bv)->layout());
1361                                 updwhat = CURSOR_PAR;
1362                                 updflag = true;
1363                         }
1364                 } else {
1365                         // reset the layout box
1366                         bv->owner()->setLayout(cpar(bv)->layout());
1367                 }
1368                 break;
1369         case LFUN_PARAGRAPH_SPACING:
1370                 // This one is absolutely not working. When fiddling with this
1371                 // it also seems to me that the paragraphs inside the insettext
1372                 // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1373         {
1374                 Paragraph * par = lt->cursor.par();
1375                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
1376                 float cur_value = 1.0;
1377                 if (cur_spacing == Spacing::Other) {
1378                         cur_value = par->params().spacing().getValue();
1379                 }
1380
1381                 istringstream istr(arg.c_str());
1382                 string tmp;
1383                 istr >> tmp;
1384                 Spacing::Space new_spacing = cur_spacing;
1385                 float new_value = cur_value;
1386                 if (tmp.empty()) {
1387                         lyxerr << "Missing argument to `paragraph-spacing'"
1388                                    << endl;
1389                 } else if (tmp == "single") {
1390                         new_spacing = Spacing::Single;
1391                 } else if (tmp == "onehalf") {
1392                         new_spacing = Spacing::Onehalf;
1393                 } else if (tmp == "double") {
1394                         new_spacing = Spacing::Double;
1395                 } else if (tmp == "other") {
1396                         new_spacing = Spacing::Other;
1397                         float tmpval = 0.0;
1398                         istr >> tmpval;
1399                         lyxerr << "new_value = " << tmpval << endl;
1400                         if (tmpval != 0.0)
1401                                 new_value = tmpval;
1402                 } else if (tmp == "default") {
1403                         new_spacing = Spacing::Default;
1404                 } else {
1405                         lyxerr << _("Unknown spacing argument: ")
1406                                    << arg << endl;
1407                 }
1408                 if (cur_spacing != new_spacing || cur_value != new_value) {
1409                         par->params().spacing(Spacing(new_spacing, new_value));
1410                         updwhat = CURSOR_PAR;
1411                         updflag = true;
1412                 }
1413         }
1414         break;
1415
1416         default:
1417                 if (!bv->Dispatch(action, arg))
1418                         result = UNDISPATCHED;
1419                 break;
1420         }
1421
1422         if (clear)
1423                 lt = 0;
1424         if (updwhat > 0)
1425                 updateLocal(bv, updwhat, updflag);
1426         /// If the action has deleted all text in the inset, we need to change the
1427         // language to the language of the surronding text.
1428         if (!was_empty && par->size() == 0 && !par->next()) {
1429                 LyXFont font(LyXFont::ALL_IGNORE);
1430                 font.setLanguage(bv->getParentLanguage(this));
1431                 setFont(bv, font, false);
1432         }
1433
1434         if (result < FINISHED) {
1435                 showInsetCursor(bv);
1436         } else
1437                 bv->unlockInset(this);
1438         return result;
1439 }
1440
1441
1442 int InsetText::latex(Buffer const * buf, ostream & os, bool, bool) const
1443 {
1444         TexRow texrow;
1445         buf->latexParagraphs(os, par, 0, texrow);
1446         return texrow.rows();
1447 }
1448
1449
1450 int InsetText::ascii(Buffer const * buf, ostream & os, int linelen) const
1451 {
1452         Paragraph * p = par;
1453         unsigned int lines = 0;
1454
1455         while (p) {
1456                 string const tmp = buf->asciiParagraph(p, linelen, p->previous()==0);
1457                 lines += lyx::count(tmp.begin(), tmp.end(), '\n');
1458                 os << tmp;
1459                 p = p->next();
1460         }
1461         return lines;
1462 }
1463
1464
1465 int InsetText::docbook(Buffer const * buf, ostream & os) const
1466 {
1467         Paragraph * p = par;
1468         unsigned int lines = 0;
1469
1470         vector<string> environment_stack(10);
1471         vector<string> environment_inner(10);
1472
1473         int const command_depth = 0;
1474         string item_name;
1475
1476         Paragraph::depth_type depth = 0; // paragraph depth
1477
1478         while (p) {
1479                 string sgmlparam;
1480                 int desc_on = 0; // description mode
1481
1482                 LyXLayout const & style =
1483                         textclasslist[buf->params.textclass][p->layout()];
1484
1485                 // environment tag closing
1486                 for (; depth > p->params().depth(); --depth) {
1487                         if (environment_inner[depth] != "!-- --") {
1488                                 item_name = "listitem";
1489                                 buf->sgmlCloseTag(os, command_depth + depth,
1490                                              item_name);
1491                                 if (environment_inner[depth] == "varlistentry")
1492                                         buf->sgmlCloseTag(os, depth+command_depth,
1493                                                      environment_inner[depth]);
1494                         }
1495                         buf->sgmlCloseTag(os, depth + command_depth,
1496                                      environment_stack[depth]);
1497                         environment_stack[depth].erase();
1498                         environment_inner[depth].erase();
1499                 }
1500
1501                 if (depth == p->params().depth()
1502                    && environment_stack[depth] != style.latexname()
1503                    && !environment_stack[depth].empty()) {
1504                         if (environment_inner[depth] != "!-- --") {
1505                                 item_name= "listitem";
1506                                 buf->sgmlCloseTag(os, command_depth+depth,
1507                                                   item_name);
1508                                 if (environment_inner[depth] == "varlistentry")
1509                                         buf->sgmlCloseTag(os,
1510                                                           depth + command_depth,
1511                                                           environment_inner[depth]);
1512                         }
1513
1514                         buf->sgmlCloseTag(os, depth + command_depth,
1515                                           environment_stack[depth]);
1516
1517                         environment_stack[depth].erase();
1518                         environment_inner[depth].erase();
1519                 }
1520
1521                 // Write opening SGML tags.
1522                 switch (style.latextype) {
1523                 case LATEX_PARAGRAPH:
1524                         buf->sgmlOpenTag(os, depth + command_depth,
1525                                          style.latexname());
1526                         break;
1527
1528                 case LATEX_COMMAND:
1529                         buf->sgmlError(p, 0,
1530                                        _("Error : LatexType Command not allowed here.\n"));
1531                         return -1;
1532                         break;
1533
1534                 case LATEX_ENVIRONMENT:
1535                 case LATEX_ITEM_ENVIRONMENT:
1536                         if (depth < p->params().depth()) {
1537                                 depth = p->params().depth();
1538                                 environment_stack[depth].erase();
1539                         }
1540
1541                         if (environment_stack[depth] != style.latexname()) {
1542                                 if (environment_stack.size() == depth + 1) {
1543                                         environment_stack.push_back("!-- --");
1544                                         environment_inner.push_back("!-- --");
1545                                 }
1546                                 environment_stack[depth] = style.latexname();
1547                                 environment_inner[depth] = "!-- --";
1548                                 buf->sgmlOpenTag(os, depth + command_depth,
1549                                                  environment_stack[depth]);
1550                         } else {
1551                                 if (environment_inner[depth] != "!-- --") {
1552                                         item_name= "listitem";
1553                                         buf->sgmlCloseTag(os,
1554                                                           command_depth + depth,
1555                                                           item_name);
1556                                         if (environment_inner[depth] == "varlistentry")
1557                                                 buf->sgmlCloseTag(os,
1558                                                                   depth + command_depth,
1559                                                                   environment_inner[depth]);
1560                                 }
1561                         }
1562
1563                         if (style.latextype == LATEX_ENVIRONMENT) {
1564                                 if (!style.latexparam().empty()) {
1565                                         if (style.latexparam() == "CDATA")
1566                                                 os << "<![CDATA[";
1567                                         else
1568                                                 buf->sgmlOpenTag(os, depth + command_depth,
1569                                                                  style.latexparam());
1570                                 }
1571                                 break;
1572                         }
1573
1574                         desc_on = (style.labeltype == LABEL_MANUAL);
1575
1576                         if (desc_on)
1577                                 environment_inner[depth]= "varlistentry";
1578                         else
1579                                 environment_inner[depth]= "listitem";
1580
1581                         buf->sgmlOpenTag(os, depth + 1 + command_depth,
1582                                          environment_inner[depth]);
1583
1584                         if (desc_on) {
1585                                 item_name= "term";
1586                                 buf->sgmlOpenTag(os, depth + 1 + command_depth,
1587                                                  item_name);
1588                         } else {
1589                                 item_name= "para";
1590                                 buf->sgmlOpenTag(os, depth + 1 + command_depth,
1591                                                  item_name);
1592                         }
1593                         break;
1594                 default:
1595                         buf->sgmlOpenTag(os, depth + command_depth,
1596                                          style.latexname());
1597                         break;
1598                 }
1599
1600                 buf->simpleDocBookOnePar(os, p, desc_on,
1601                                          depth + 1 + command_depth);
1602                 p = p->next();
1603
1604                 string end_tag;
1605                 // write closing SGML tags
1606                 switch (style.latextype) {
1607                 case LATEX_ENVIRONMENT:
1608                         if (!style.latexparam().empty()) {
1609                                 if (style.latexparam() == "CDATA")
1610                                         os << "]]>";
1611                                 else
1612                                         buf->sgmlCloseTag(os, depth + command_depth,
1613                                                           style.latexparam());
1614                         }
1615                         break;
1616                 case LATEX_ITEM_ENVIRONMENT:
1617                         if (desc_on == 1) break;
1618                         end_tag= "para";
1619                         buf->sgmlCloseTag(os, depth + 1 + command_depth, end_tag);
1620                         break;
1621                 case LATEX_PARAGRAPH:
1622                         buf->sgmlCloseTag(os, depth + command_depth, style.latexname());
1623                         break;
1624                 default:
1625                         buf->sgmlCloseTag(os, depth + command_depth, style.latexname());
1626                         break;
1627                 }
1628         }
1629
1630         // Close open tags
1631         for (int d = depth; d >= 0; --d) {
1632                 if (!environment_stack[depth].empty()) {
1633                         if (environment_inner[depth] != "!-- --") {
1634                                 item_name = "listitem";
1635                                 buf->sgmlCloseTag(os, command_depth + depth,
1636                                                   item_name);
1637                                if (environment_inner[depth] == "varlistentry")
1638                                        buf->sgmlCloseTag(os, depth + command_depth,
1639                                                          environment_inner[depth]);
1640                         }
1641
1642                         buf->sgmlCloseTag(os, depth + command_depth,
1643                                           environment_stack[depth]);
1644                 }
1645         }
1646
1647         return lines;
1648 }
1649
1650
1651 void InsetText::validate(LaTeXFeatures & features) const
1652 {
1653         Paragraph * p = par;
1654         while (p) {
1655                 p->validate(features);
1656                 p = p->next();
1657         }
1658 }
1659
1660
1661 int InsetText::beginningOfMainBody(Buffer const * buf, Paragraph * p) const
1662 {
1663         if (textclasslist[buf->params.textclass][p->layout()].labeltype != LABEL_MANUAL)
1664                 return 0;
1665         else
1666                 return p->beginningOfMainBody();
1667 }
1668
1669
1670 void InsetText::getCursorPos(BufferView * bv,
1671                              int & x, int & y) const
1672 {
1673         if (the_locking_inset) {
1674                 the_locking_inset->getCursorPos(bv, x, y);
1675                 return;
1676         }
1677         x = cx(bv);
1678         y = cy(bv);
1679 }
1680
1681
1682 unsigned int InsetText::insetInInsetY()
1683 {
1684         if (!the_locking_inset)
1685                 return 0;
1686
1687         return (inset_y + the_locking_inset->insetInInsetY());
1688 }
1689
1690
1691 void InsetText::toggleInsetCursor(BufferView * bv)
1692 {
1693         if (the_locking_inset) {
1694                 the_locking_inset->toggleInsetCursor(bv);
1695                 return;
1696         }
1697
1698         LyXFont const font(getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv)));
1699
1700         int const asc = lyxfont::maxAscent(font);
1701         int const desc = lyxfont::maxDescent(font);
1702
1703         if (isCursorVisible())
1704                 bv->hideLockedInsetCursor();
1705         else
1706                 bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1707         toggleCursorVisible();
1708 }
1709
1710
1711 void InsetText::showInsetCursor(BufferView * bv, bool show)
1712 {
1713         if (the_locking_inset) {
1714                 the_locking_inset->showInsetCursor(bv, show);
1715                 return;
1716         }
1717         if (!isCursorVisible()) {
1718                 LyXFont const font =
1719                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1720
1721                 int const asc = lyxfont::maxAscent(font);
1722                 int const desc = lyxfont::maxDescent(font);
1723
1724                 bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1725                 if (show)
1726                         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1727                 setCursorVisible(true);
1728         }
1729 }
1730
1731
1732 void InsetText::hideInsetCursor(BufferView * bv)
1733 {
1734         if (isCursorVisible()) {
1735                 bv->hideLockedInsetCursor();
1736                 setCursorVisible(false);
1737         }
1738         if (the_locking_inset)
1739                 the_locking_inset->hideInsetCursor(bv);
1740 }
1741
1742
1743 void InsetText::fitInsetCursor(BufferView * bv) const
1744 {
1745         if (the_locking_inset) {
1746                 the_locking_inset->fitInsetCursor(bv);
1747                 return;
1748         }
1749         LyXFont const font =
1750                 getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1751
1752         int const asc = lyxfont::maxAscent(font);
1753         int const desc = lyxfont::maxDescent(font);
1754
1755         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1756 }
1757
1758
1759 UpdatableInset::RESULT
1760 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1761 {
1762         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1763                 return moveLeftIntern(bv, false, activate_inset, selecting);
1764         else
1765                 return moveRightIntern(bv, false, activate_inset, selecting);
1766 }
1767
1768
1769 UpdatableInset::RESULT
1770 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1771 {
1772         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1773                 return moveRightIntern(bv, true, activate_inset, selecting);
1774         else
1775                 return moveLeftIntern(bv, true, activate_inset, selecting);
1776 }
1777
1778
1779 UpdatableInset::RESULT
1780 InsetText::moveRightIntern(BufferView * bv, bool behind,
1781                            bool activate_inset, bool selecting)
1782 {
1783         if (!cpar(bv)->next() && (cpos(bv) >= cpar(bv)->size()))
1784                 return FINISHED_RIGHT;
1785         if (activate_inset && checkAndActivateInset(bv, behind))
1786                 return DISPATCHED;
1787         getLyXText(bv)->cursorRight(bv);
1788         if (!selecting)
1789                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1790         return DISPATCHED_NOUPDATE;
1791 }
1792
1793
1794 UpdatableInset::RESULT
1795 InsetText::moveLeftIntern(BufferView * bv, bool behind,
1796                           bool activate_inset, bool selecting)
1797 {
1798         if (!cpar(bv)->previous() && (cpos(bv) <= 0))
1799                 return FINISHED;
1800         getLyXText(bv)->cursorLeft(bv);
1801         if (!selecting)
1802                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1803         if (activate_inset && checkAndActivateInset(bv, behind))
1804                 return DISPATCHED;
1805         return DISPATCHED_NOUPDATE;
1806 }
1807
1808
1809 UpdatableInset::RESULT
1810 InsetText::moveUp(BufferView * bv)
1811 {
1812         if (!crow(bv)->previous())
1813                 return FINISHED_UP;
1814         getLyXText(bv)->cursorUp(bv);
1815         return DISPATCHED_NOUPDATE;
1816 }
1817
1818
1819 UpdatableInset::RESULT
1820 InsetText::moveDown(BufferView * bv)
1821 {
1822         if (!crow(bv)->next())
1823                 return FINISHED_DOWN;
1824         getLyXText(bv)->cursorDown(bv);
1825         return DISPATCHED_NOUPDATE;
1826 }
1827
1828
1829 bool InsetText::insertInset(BufferView * bv, Inset * inset)
1830 {
1831         if (the_locking_inset) {
1832                 if (the_locking_inset->insetAllowed(inset))
1833                         return the_locking_inset->insertInset(bv, inset);
1834                 return false;
1835         }
1836         bool clear = false;
1837         if (!lt) {
1838                 lt = getLyXText(bv);
1839                 clear = true;
1840         }
1841         setUndo(bv, Undo::FINISH, lt->cursor.par(), lt->cursor.par()->next());
1842         freezeUndo();
1843         inset->setOwner(this);
1844         hideInsetCursor(bv);
1845         lt->insertInset(bv, inset);
1846         bv->fitCursor();
1847         if (clear)
1848                 lt = 0;
1849         updateLocal(bv, CURSOR_PAR|CURSOR, true);
1850         unFreezeUndo();
1851         return true;
1852 }
1853
1854
1855 bool InsetText::insetAllowed(Inset::Code code) const
1856 {
1857         // in_insetAllowed is a really gross hack,
1858         // to allow us to call the owner's insetAllowed
1859         // without stack overflow, which can happen
1860         // when the owner uses InsetCollapsable::insetAllowed()
1861         bool ret = true;
1862         if (in_insetAllowed)
1863                 return ret;
1864         in_insetAllowed = true;
1865         if (the_locking_inset)
1866                 ret = the_locking_inset->insetAllowed(code);
1867         else if (owner())
1868                 ret = owner()->insetAllowed(code);
1869         in_insetAllowed = false;
1870         return ret;
1871 }
1872
1873
1874 UpdatableInset * InsetText::getLockingInset() const
1875 {
1876         return the_locking_inset ? the_locking_inset->getLockingInset() :
1877                 const_cast<InsetText *>(this);
1878 }
1879
1880
1881 UpdatableInset * InsetText::getFirstLockingInsetOfType(Inset::Code c)
1882 {
1883         if (c == lyxCode())
1884                 return this;
1885         if (the_locking_inset)
1886                 return the_locking_inset->getFirstLockingInsetOfType(c);
1887         return 0;
1888 }
1889
1890
1891 bool InsetText::showInsetDialog(BufferView * bv) const
1892 {
1893         if (the_locking_inset)
1894                 return the_locking_inset->showInsetDialog(bv);
1895         return false;
1896 }
1897
1898
1899 vector<string> const InsetText::getLabelList() const
1900 {
1901         vector<string> label_list;
1902
1903         Paragraph * tpar = par;
1904         while (tpar) {
1905                 Paragraph::inset_iterator beg = tpar->inset_iterator_begin();
1906                 Paragraph::inset_iterator end = tpar->inset_iterator_end();
1907                 for (; beg != end; ++beg) {
1908                         vector<string> const l = (*beg)->getLabelList();
1909                         label_list.insert(label_list.end(), l.begin(), l.end());
1910                 }
1911                 tpar = tpar->next();
1912         }
1913         return label_list;
1914 }
1915
1916
1917 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
1918                         bool selectall)
1919 {
1920         if (the_locking_inset) {
1921                 the_locking_inset->setFont(bv, font, toggleall, selectall);
1922                 return;
1923         }
1924         if ((!par->next() && !par->size()) || !cpar(bv)->size()) {
1925                 getLyXText(bv)->setFont(bv, font, toggleall);
1926                 return;
1927         }
1928         bool clear = false;
1929         if (!lt) {
1930                 lt = getLyXText(bv);
1931                 clear = true;
1932         }
1933         if (lt->selection.set()) {
1934                 setUndo(bv, Undo::EDIT, lt->cursor.par(), lt->cursor.par()->next());
1935         }
1936         if (selectall)
1937                 selectAll(bv);
1938         lt->toggleFree(bv, font, toggleall);
1939         if (selectall)
1940                 lt->clearSelection();
1941         bv->fitCursor();
1942         bool flag = (selectall || lt->selection.set());
1943         if (clear)
1944                 lt = 0;
1945         if (flag)
1946                 updateLocal(bv, FULL, true);
1947         else
1948                 updateLocal(bv, CURSOR_PAR, true);
1949 }
1950
1951
1952 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1953 {
1954         if (cpar(bv)->isInset(cpos(bv))) {
1955                 unsigned int x;
1956                 unsigned int y;
1957                 Inset * inset =
1958                         static_cast<UpdatableInset*>(cpar(bv)->getInset(cpos(bv)));
1959                 if (!isHighlyEditableInset(inset))
1960                         return false;
1961                 LyXFont const font =
1962                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1963                 if (behind) {
1964                         x = inset->width(bv, font);
1965                         y = font.isRightToLeft() ? 0 : inset->descent(bv, font);
1966                 } else {
1967                         x = 0;
1968                         y = font.isRightToLeft() ? inset->descent(bv, font) : 0;
1969                 }
1970                 //inset_x = cx(bv) - top_x + drawTextXOffset;
1971                 //inset_y = cy(bv) + drawTextYOffset;
1972                 inset->edit(bv, x, y, 0);
1973                 if (!the_locking_inset)
1974                         return false;
1975                 updateLocal(bv, CURSOR, false);
1976                 return true;
1977         }
1978         return false;
1979 }
1980
1981
1982 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1983                                       int button)
1984 {
1985         x -= drawTextXOffset;
1986         int dummyx = x;
1987         int dummyy = y + insetAscent;
1988         Inset * inset = bv->checkInsetHit(getLyXText(bv), dummyx, dummyy);
1989
1990         if (inset) {
1991                 if (x < 0)
1992                         x = insetWidth;
1993                 if (y < 0)
1994                         y = insetDescent;
1995                 inset_x = cx(bv) - top_x + drawTextXOffset;
1996                 inset_y = cy(bv) + drawTextYOffset;
1997                 inset->edit(bv, x - inset_x, y - inset_y, button);
1998                 if (!the_locking_inset)
1999                         return false;
2000                 updateLocal(bv, CURSOR, false);
2001                 return true;
2002         }
2003         return false;
2004 }
2005
2006
2007 int InsetText::getMaxWidth(BufferView * bv, UpdatableInset const * inset) const
2008 {
2009 #if 0
2010         int w = UpdatableInset::getMaxWidth(bv, inset);
2011         if (w < 0) {
2012                 return -1;
2013         }
2014         if (owner()) {
2015                 w = w - top_x + owner()->x();
2016                 return w;
2017         }
2018         w -= (2 * TEXT_TO_INSET_OFFSET);
2019         return w - top_x;
2020 #else
2021         return UpdatableInset::getMaxWidth(bv, inset);
2022 #endif
2023 }
2024
2025
2026 void InsetText::setParagraphData(Paragraph * p, bool same_id)
2027 {
2028         // we have to unlock any locked inset otherwise we're in troubles
2029         the_locking_inset = 0;
2030         while (par) {
2031                 Paragraph * tmp = par->next();
2032                 delete par;
2033                 par = tmp;
2034         }
2035
2036         par = new Paragraph(*p, same_id);
2037         par->setInsetOwner(this);
2038         Paragraph * np = par;
2039         while (p->next()) {
2040                 p = p->next();
2041                 np->next(new Paragraph(*p, same_id));
2042                 np->next()->previous(np);
2043                 np = np->next();
2044                 np->setInsetOwner(this);
2045         }
2046         reinitLyXText();
2047         need_update = INIT;
2048 }
2049
2050
2051 void InsetText::setText(string const & data)
2052 {
2053         clear();
2054         LyXFont font(LyXFont::ALL_SANE);
2055         for (unsigned int i=0; i < data.length(); ++i)
2056                 par->insertChar(i, data[i], font);
2057 }
2058
2059
2060 void InsetText::setAutoBreakRows(bool flag)
2061 {
2062         if (flag != autoBreakRows) {
2063                 autoBreakRows = flag;
2064                 if (!flag)
2065                         removeNewlines();
2066                 need_update = INIT;
2067         }
2068 }
2069
2070
2071 void InsetText::setDrawFrame(BufferView * bv, DrawFrame how)
2072 {
2073         if (how != drawFrame_) {
2074                 drawFrame_ = how;
2075                 if (bv)
2076                         updateLocal(bv, DRAW_FRAME, false);
2077         }
2078 }
2079
2080
2081 void InsetText::setFrameColor(BufferView * bv, LColor::color col)
2082 {
2083         if (frame_color != col) {
2084                 frame_color = col;
2085                 if (bv)
2086                         updateLocal(bv, DRAW_FRAME, false);
2087         }
2088 }
2089
2090
2091 int InsetText::cx(BufferView * bv) const
2092 {
2093         // we do nothing dangerous so we use a local cache
2094         LyXText * llt = getLyXText(bv);
2095         int x = llt->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
2096         if (the_locking_inset) {
2097                 LyXFont font = llt->getFont(bv->buffer(), llt->cursor.par(),
2098                                             llt->cursor.pos());
2099                 if (font.isVisibleRightToLeft())
2100                         x -= the_locking_inset->width(bv, font);
2101         }
2102         return x;
2103 }
2104
2105
2106 int InsetText::cy(BufferView * bv) const
2107 {
2108         LyXFont font;
2109         return getLyXText(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
2110 }
2111
2112
2113 pos_type InsetText::cpos(BufferView * bv) const
2114 {
2115         return getLyXText(bv)->cursor.pos();
2116 }
2117
2118
2119 Paragraph * InsetText::cpar(BufferView * bv) const
2120 {
2121         return getLyXText(bv)->cursor.par();
2122 }
2123
2124
2125 bool InsetText::cboundary(BufferView * bv) const
2126 {
2127         return getLyXText(bv)->cursor.boundary();
2128 }
2129
2130
2131 Row * InsetText::crow(BufferView * bv) const
2132 {
2133         return getLyXText(bv)->cursor.row();
2134 }
2135
2136
2137 LyXText * InsetText::getLyXText(BufferView const * lbv,
2138                                 bool const recursive) const
2139 {
2140         if (cached_bview == lbv) {
2141                 if (recursive && the_locking_inset)
2142                         return the_locking_inset->getLyXText(lbv, true);
2143                 LyXText * lt = cached_text.get();
2144                 lyx::Assert(lt && lt->firstRow()->par() == par);
2145                 return lt;
2146         }
2147         // Super UGLY! (Lgb)
2148         BufferView * bv = const_cast<BufferView *>(lbv);
2149
2150         cached_bview = bv;
2151         Cache::iterator it = cache.find(bv);
2152
2153         if (it != cache.end()) {
2154                 if (do_reinit) {
2155                         reinitLyXText();
2156                 } else if (do_resize) {
2157                         resizeLyXText(do_resize);
2158                 } else {
2159                         if (lt || !it->second.remove) {
2160                                 lyx::Assert(it->second.text.get());
2161                                 cached_text = it->second.text;
2162                                 if (recursive && the_locking_inset) {
2163                                         return the_locking_inset->getLyXText(bv, true);
2164                                 }
2165                                 return cached_text.get();
2166                         } else if (it->second.remove) {
2167                                 if (locked) {
2168                                         saveLyXTextState(it->second.text.get());
2169                                 } else {
2170                                         sstate.lpar = 0;
2171                                 }
2172                         }
2173                         //
2174                         // when we have to reinit the existing LyXText!
2175                         //
2176                         it->second.text->init(bv);
2177                         restoreLyXTextState(bv, it->second.text.get());
2178                         it->second.remove = false;
2179                 }
2180                 cached_text = it->second.text;
2181                 if (the_locking_inset && recursive) {
2182                         return the_locking_inset->getLyXText(bv);
2183                 }
2184                 return cached_text.get();
2185         }
2186         ///
2187         // we are here only if we don't have a BufferView * in the cache!!!
2188         ///
2189         cached_text.reset(new LyXText(const_cast<InsetText *>(this)));
2190         cached_text->init(bv);
2191         restoreLyXTextState(bv, cached_text.get());
2192
2193         cache.insert(make_pair(bv, cached_text));
2194
2195         if (the_locking_inset && recursive) {
2196                 return the_locking_inset->getLyXText(bv);
2197         }
2198         return cached_text.get();
2199 }
2200
2201
2202 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
2203 {
2204         cached_bview = 0;
2205
2206         Cache::iterator it = cache.find(bv);
2207
2208         if (it == cache.end()) {
2209                 return;
2210         }
2211
2212         lyx::Assert(it->second.text.get());
2213
2214         it->second.remove = true;
2215         if (recursive) {
2216                 /// then remove all LyXText in text-insets
2217                 Paragraph * p = par;
2218                 for (; p; p = p->next()) {
2219                         p->deleteInsetsLyXText(bv);
2220                 }
2221         }
2222 }
2223
2224
2225 void InsetText::resizeLyXText(BufferView * bv, bool force) const
2226 {
2227         if (lt) {
2228                 // we cannot resize this because we are in use!
2229                 // so do this on the next possible getLyXText()
2230                 do_resize = bv;
2231                 return;
2232         }
2233         do_resize = 0;
2234 //      lyxerr << "InsetText::resizeLyXText\n";
2235         if (!par->next() && !par->size()) { // no data, resize not neccessary!
2236                 // we have to do this as a fixed width may have changed!
2237                 LyXText * t = getLyXText(bv);
2238                 saveLyXTextState(t);
2239                 t->init(bv, true);
2240                 restoreLyXTextState(bv, t);
2241                 return;
2242         }
2243         // one endless line, resize normally not necessary
2244         if (!force && getMaxWidth(bv, this) < 0)
2245                 return;
2246
2247         Cache::iterator it = cache.find(bv);
2248         if (it == cache.end()) {
2249                 return;
2250         }
2251         lyx::Assert(it->second.text.get());
2252
2253         LyXText * t = it->second.text.get();
2254         saveLyXTextState(t);
2255         for (Paragraph * p = par; p; p = p->next()) {
2256                 p->resizeInsetsLyXText(bv);
2257         }
2258         t->init(bv, true);
2259         restoreLyXTextState(bv, t);
2260         if (the_locking_inset) {
2261                 inset_x = cx(bv) - top_x + drawTextXOffset;
2262                 inset_y = cy(bv) + drawTextYOffset;
2263         }
2264
2265         if (bv->screen()) {
2266                 t->first_y = bv->screen()->topCursorVisible(t);
2267         }
2268         if (!owner()) {
2269                 updateLocal(bv, FULL, false);
2270                 // this will scroll the screen such that the cursor becomes visible
2271                 bv->updateScrollbar();
2272         } else {
2273                 need_update |= FULL;
2274         }
2275 }
2276
2277
2278 void InsetText::reinitLyXText() const
2279 {
2280         if (lt) {
2281                 // we cannot resize this because we are in use!
2282                 // so do this on the next possible getLyXText()
2283                 do_reinit = true;
2284                 return;
2285         }
2286         do_reinit = false;
2287         do_resize = 0;
2288 //      lyxerr << "InsetText::reinitLyXText\n";
2289         for(Cache::iterator it = cache.begin(); it != cache.end(); ++it) {
2290                 lyx::Assert(it->second.text.get());
2291
2292                 LyXText * t = it->second.text.get();
2293                 BufferView * bv = it->first;
2294
2295                 saveLyXTextState(t);
2296                 for (Paragraph * p = par; p; p = p->next()) {
2297                         p->resizeInsetsLyXText(bv);
2298                 }
2299                 t->init(bv, true);
2300                 restoreLyXTextState(bv, t);
2301                 if (the_locking_inset) {
2302                         inset_x = cx(bv) - top_x + drawTextXOffset;
2303                         inset_y = cy(bv) + drawTextYOffset;
2304                 }
2305                 if (bv->screen()) {
2306                         t->first_y = bv->screen()->topCursorVisible(t);
2307                 }
2308                 if (!owner()) {
2309                         updateLocal(bv, FULL, false);
2310                         // this will scroll the screen such that the cursor becomes visible
2311                         bv->updateScrollbar();
2312                 } else {
2313                         need_update = FULL;
2314                 }
2315         }
2316 }
2317
2318
2319 void InsetText::removeNewlines()
2320 {
2321         bool changed = false;
2322
2323         for (Paragraph * p = par; p; p = p->next()) {
2324                 for (int i = 0; i < p->size(); ++i) {
2325                         if (p->getChar(i) == Paragraph::META_NEWLINE) {
2326                                 changed = true;
2327                                 p->erase(i);
2328                         }
2329                 }
2330         }
2331         if (changed)
2332                 reinitLyXText();
2333 }
2334
2335
2336 bool InsetText::nodraw() const
2337 {
2338         if (the_locking_inset)
2339                 return the_locking_inset->nodraw();
2340         return UpdatableInset::nodraw();
2341 }
2342
2343
2344 int InsetText::scroll(bool recursive) const
2345 {
2346         int sx = UpdatableInset::scroll(false);
2347
2348         if (recursive && the_locking_inset)
2349                 sx += the_locking_inset->scroll(recursive);
2350
2351         return sx;
2352 }
2353
2354
2355 bool InsetText::doClearArea() const
2356 {
2357         return !locked || (need_update & (FULL|INIT));
2358 }
2359
2360
2361 void InsetText::selectAll(BufferView * bv)
2362 {
2363         getLyXText(bv)->cursorTop(bv);
2364         getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
2365         getLyXText(bv)->cursorBottom(bv);
2366         getLyXText(bv)->setSelection(bv);
2367 }
2368
2369
2370 void InsetText::clearSelection(BufferView * bv)
2371 {
2372         getLyXText(bv)->clearSelection();
2373 }
2374
2375
2376 void InsetText::clearInset(BufferView * bv, int baseline, bool & cleared) const
2377 {
2378         Painter & pain = bv->painter();
2379         int w = insetWidth;
2380         int h = insetAscent + insetDescent;
2381         int ty = baseline - insetAscent;
2382
2383         if (ty < 0) {
2384                 h += ty;
2385                 ty = 0;
2386         }
2387         if ((ty + h) > pain.paperHeight())
2388                 h = pain.paperHeight();
2389         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
2390                 w = pain.paperWidth();
2391 //      w -= TEXT_TO_INSET_OFFSET;
2392         pain.fillRectangle(top_x, ty, w+1, h+1, backgroundColor());
2393         cleared = true;
2394         need_update = FULL;
2395         frame_is_visible = false;
2396 }
2397
2398
2399 Paragraph * InsetText::getParFromID(int id) const
2400 {
2401 #if 0
2402         Paragraph * result = par;
2403         Paragraph * ires = 0;
2404         while (result && result->id() != id) {
2405                 if ((ires = result->getParFromID(id)))
2406                         return ires;
2407                 result = result->next();
2408         }
2409         return result;
2410 #else
2411         Paragraph * tmp = par;
2412         while (tmp) {
2413                 if (tmp->id() == id) {
2414                         return tmp;
2415                 }
2416                 Paragraph * tmp2 = tmp->getParFromID(id);
2417                 if (tmp2 != 0) {
2418                         return tmp2;
2419                 }
2420                 tmp = tmp->next();
2421         }
2422         return 0;
2423 #endif
2424 }
2425
2426
2427 Paragraph * InsetText::firstParagraph() const
2428 {
2429         Paragraph * result;
2430         if (the_locking_inset)
2431                 if ((result = the_locking_inset->firstParagraph()))
2432                         return result;
2433         return par;
2434 }
2435
2436
2437 Paragraph * InsetText::getFirstParagraph(int i) const
2438 {
2439         return (i == 0) ? par : 0;
2440 }
2441
2442
2443 LyXCursor const & InsetText::cursor(BufferView * bv) const
2444 {
2445                 if (the_locking_inset)
2446                                 return the_locking_inset->cursor(bv);
2447                 return getLyXText(bv)->cursor;
2448 }
2449
2450
2451 Paragraph * InsetText::paragraph() const
2452 {
2453         return par;
2454 }
2455
2456
2457 void InsetText::paragraph(Paragraph * p)
2458 {
2459         // GENERAL COMMENT: We don't have to free the old paragraphs as the
2460         // caller of this function has to take care of it. This IS important
2461         // as we could have to insert a paragraph before this one and just
2462         // link the actual to a new ones next and set it with this function
2463         // and are done!
2464         par = p;
2465         // set ourself as owner for all the paragraphs inserted!
2466         Paragraph * np = par;
2467         while (np) {
2468                 np->setInsetOwner(this);
2469                 np = np->next();
2470         }
2471         reinitLyXText();
2472         // redraw myself when asked for
2473         need_update = INIT;
2474 }
2475
2476
2477 Inset * InsetText::getInsetFromID(int id_arg) const
2478 {
2479         if (id_arg == id())
2480                 return const_cast<InsetText *>(this);
2481
2482         Paragraph * lp = par;
2483
2484         while (lp) {
2485                 for (Paragraph::inset_iterator it = lp->inset_iterator_begin(),
2486                          en = lp->inset_iterator_end();
2487                          it != en; ++it)
2488                 {
2489                         if ((*it)->id() == id_arg)
2490                                 return *it;
2491                         Inset * in = (*it)->getInsetFromID(id_arg);
2492                         if (in)
2493                                 return in;
2494                 }
2495                 lp = lp->next();
2496         }
2497         return 0;
2498 }
2499
2500
2501 string const InsetText::selectNextWordToSpellcheck(BufferView * bv, float & value) const
2502 {
2503         bool clear = false;
2504         string str;
2505
2506         if (!lt) {
2507                 lt = getLyXText(bv);
2508                 clear = true;
2509         }
2510         if (the_locking_inset) {
2511                 str = the_locking_inset->selectNextWordToSpellcheck(bv, value);
2512                 if (!str.empty()) {
2513                         value += cy(bv);
2514                         if (clear)
2515                                 lt = 0;
2516                         return str;
2517                 }
2518                 // we have to go on checking so move cusor to the next char
2519                 lt->cursor.pos(lt->cursor.pos() + 1);
2520         }
2521         str = lt->selectNextWordToSpellcheck(bv, value);
2522         if (str.empty())
2523                 bv->unlockInset(const_cast<InsetText *>(this));
2524         else
2525                 value = cy(bv);
2526         if (clear)
2527                 lt = 0;
2528         return str;
2529 }
2530
2531
2532 void InsetText::selectSelectedWord(BufferView * bv)
2533 {
2534         if (the_locking_inset) {
2535                 the_locking_inset->selectSelectedWord(bv);
2536                 return;
2537         }
2538         getLyXText(bv)->selectSelectedWord(bv);
2539         updateLocal(bv, SELECTION, false);
2540 }
2541
2542
2543 void InsetText::toggleSelection(BufferView * bv, bool kill_selection)
2544 {
2545         if (the_locking_inset) {
2546                 the_locking_inset->toggleSelection(bv, kill_selection);
2547         }
2548         bool clear = false;
2549         if (!lt) {
2550                 lt = getLyXText(bv);
2551                 clear = true;
2552         }
2553
2554         int x = top_x + TEXT_TO_INSET_OFFSET;
2555
2556         Row * row = lt->firstRow();
2557         int y_offset = top_baseline - row->ascent_of_text();
2558         int y = y_offset;
2559         while ((row != 0) && ((y+row->height()) <= 0)) {
2560                 y += row->height();
2561                 row = row->next();
2562         }
2563         if (y_offset < 0)
2564                 y_offset = y;
2565
2566         if (need_update & SELECTION)
2567                 need_update = NONE;
2568         bv->screen()->toggleSelection(lt, bv, kill_selection, y_offset, x);
2569         if (clear)
2570                 lt = 0;
2571 }
2572
2573
2574 bool InsetText::searchForward(BufferView * bv, string const & str,
2575                               bool cs, bool mw)
2576 {
2577         if (the_locking_inset) {
2578                 if (the_locking_inset->searchForward(bv, str, cs, mw))
2579                         return true;
2580                 bool clear = false;
2581                 if (!lt) {
2582                         lt = getLyXText(bv);
2583                         clear = true;
2584                 }
2585                 Paragraph * lpar = lt->cursor.par();
2586                 pos_type pos = lt->cursor.pos();
2587                 if (pos < lpar->size() - 1)
2588                         ++pos;
2589                 else {
2590                         pos = 0;
2591                         lpar = lpar->next();
2592                 }
2593                 if (!lpar) {
2594                         if (clear)
2595                                 lt = 0;
2596                         // we have to unlock ourself in this function by default!
2597                         bv->unlockInset(const_cast<InsetText *>(this));
2598                         return false;
2599                 }
2600                 lt->setCursor(bv, lpar, pos);
2601                 if (clear)
2602                         lt = 0;
2603         }
2604         if (LyXFind(bv, str, true, true, cs , mw)) {
2605                 return true;
2606         }
2607         // we have to unlock ourself in this function by default!
2608         bv->unlockInset(const_cast<InsetText *>(this));
2609         return false;
2610 }
2611
2612 bool InsetText::searchBackward(BufferView * bv, string const & str,
2613                                bool cs, bool mw)
2614 {
2615         if (the_locking_inset)
2616                 if (the_locking_inset->searchBackward(bv, str, cs, mw))
2617                         return true;
2618         if (LyXFind(bv, str, false, true, cs, mw)) {
2619                 return true;
2620         }
2621         // we have to unlock ourself in this function by default!
2622         bv->unlockInset(const_cast<InsetText *>(this));
2623         return false;
2624 }
2625
2626
2627 bool InsetText::checkInsertChar(LyXFont & font)
2628 {
2629         if (owner())
2630                 return owner()->checkInsertChar(font);
2631         return true;
2632 }
2633
2634
2635 void InsetText::collapseParagraphs(BufferParams const & bparams) const
2636 {
2637         while(par->next()) {
2638                 if (!par->isSeparator(par->size()-1))
2639                         par->insertChar(par->size()-1, ' ');
2640                 par->pasteParagraph(bparams);
2641         }
2642         reinitLyXText();
2643 }
2644
2645
2646 void InsetText::getDrawFont(LyXFont & font) const
2647 {
2648         if (!owner())
2649                 return;
2650         owner()->getDrawFont(font);
2651 }