src/insets/insettext.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1998-2001 The LyX Team.
   7  *
   8  * ======================================================
   9  */
  10
  11 #include <config.h>
  12
  13 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include "insettext.h"
  18 #include "paragraph.h"
  19 #include "lyxlex.h"
  20 #include "debug.h"
  21 #include "lyxfont.h"
  22 #include "commandtags.h"
  23 #include "buffer.h"
  24 #include "LyXView.h"
  25 #include "BufferView.h"
  26 #include "lyxtextclasslist.h"
  27 #include "LaTeXFeatures.h"
  28 #include "Painter.h"
  29 #include "lyxtext.h"
  30 #include "lyxcursor.h"
  31 #include "CutAndPaste.h"
  32 #include "font.h"
  33 #include "LColor.h"
  34 #include "lyxrow.h"
  35 #include "lyxrc.h"
  36 #include "intl.h"
  37 #include "trans_mgr.h"
  38 #include "lyxscreen.h"
  39 #include "gettext.h"
  40 #include "lyxfunc.h"
  41 #include "ParagraphParameters.h"
  42 #include "undo_funcs.h"
  43 #include "lyxfind.h"
  44
  45 #include "frontends/Alert.h"
  46
  47 #include "support/textutils.h"
  48 #include "support/LAssert.h"
  49 #include "support/lstrings.h"
  50 #include "support/lyxalgo.h" // lyx::count
  51
  52 #include <fstream>
  53 #include <algorithm>
  54 #include <cstdlib>
  55 //#include <csignal>
  56
  57 using std::ostream;
  58 using std::ifstream;
  59 using std::endl;
  60 using std::min;
  61 using std::max;
  62 using std::make_pair;
  63 using std::vector;
  64 using std::pair;
  65
  66 using lyx::pos_type;
  67 using lyx::textclass_type;
  68
  69 extern unsigned char getCurrentTextClass(Buffer *);
  70 extern bool math_insert_greek(BufferView *, char);
  71 extern int greek_kb_flag;
  72
  73
  74 // These functions should probably go into bufferview_funcs somehow (Jug)
  75
  76 void InsetText::saveLyXTextState(LyXText * t) const
  77 {
  78         // check if my paragraphs are still valid
  79         Paragraph * p = par;
  80         while (p) {
  81                 if (p == t->cursor.par())
  82                         break;
  83                 p = p->next();
  84         }
  85
  86         if (p && t->cursor.pos() <= p->size()) {
  87                 sstate.lpar = t->cursor.par();
  88                 sstate.pos = t->cursor.pos();
  89                 sstate.boundary = t->cursor.boundary();
  90                 sstate.selstartpar = t->selection.start.par();
  91                 sstate.selstartpos = t->selection.start.pos();
  92                 sstate.selstartboundary = t->selection.start.boundary();
  93                 sstate.selendpar = t->selection.end.par();
  94                 sstate.selendpos = t->selection.end.pos();
  95                 sstate.selendboundary = t->selection.end.boundary();
  96                 sstate.selection = t->selection.set();
  97                 sstate.mark_set = t->selection.mark();
  98                 sstate.refresh = t->refresh_row != 0;
  99         } else {
 100                 sstate.lpar = 0;
 101         }
 102 }
 103
 104 void InsetText::restoreLyXTextState(BufferView * bv, LyXText * t) const
 105 {
 106         if (sstate.lpar) {
 107                 t->selection.set(true);
 108                 /* at this point just to avoid the Delete-Empty-Paragraph
 109                  * Mechanism when setting the cursor */
 110                 t->selection.mark(sstate.mark_set);
 111                 if (sstate.selection) {
 112                         t->setCursor(bv, sstate.selstartpar, sstate.selstartpos,
 113                                      true, sstate.selstartboundary);
 114                         t->selection.cursor = t->cursor;
 115                         t->setCursor(bv, sstate.selendpar, sstate.selendpos,
 116                                      true, sstate.selendboundary);
 117                         t->setSelection(bv);
 118                         t->setCursor(bv, sstate.lpar, sstate.pos);
 119                 } else {
 120                         t->setCursor(bv, sstate.lpar, sstate.pos, true, sstate.boundary);
 121                         t->selection.cursor = t->cursor;
 122                         t->selection.set(false);
 123                 }
 124                 if (sstate.refresh) {
 125                 }
 126         }
 127 }
 128
 129
 130 InsetText::InnerCache::InnerCache(boost::shared_ptr<LyXText> t)
 131 {
 132         text = t;
 133         remove = false;
 134 }
 135
 136
 137 InsetText::InsetText(BufferParams const & bp)
 138         : UpdatableInset(), lt(0), in_update(false), do_resize(0),
 139           do_reinit(false)
 140 {
 141         par = new Paragraph;
 142         par->layout(textclasslist[bp.textclass].defaultLayoutName());
 143
 144         init();
 145 }
 146
 147
 148 InsetText::InsetText(InsetText const & in, bool same_id)
 149         : UpdatableInset(in, same_id), lt(0), in_update(false), do_resize(0),
 150           do_reinit(false)
 151 {
 152         par = 0;
 153         init(&in, same_id);
 154 }
 155
 156
 157 InsetText & InsetText::operator=(InsetText const & it)
 158 {
 159         init(&it);
 160         return * this;
 161 }
 162
 163
 164 void InsetText::init(InsetText const * ins, bool same_id)
 165 {
 166         if (ins) {
 167                 setParagraphData(ins->par, same_id);
 168                 autoBreakRows = ins->autoBreakRows;
 169                 drawFrame_ = ins->drawFrame_;
 170                 frame_color = ins->frame_color;
 171                 if (same_id)
 172                         id_ = ins->id_;
 173         } else {
 174                 Paragraph * p = par;
 175                 while (p) {
 176                         p->setInsetOwner(this);
 177                         p = p->next();
 178                 }
 179                 the_locking_inset = 0;
 180                 drawFrame_ = NEVER;
 181                 frame_color = LColor::insetframe;
 182                 autoBreakRows = false;
 183         }
 184         top_y = 0;
 185         insetAscent = 0;
 186         insetDescent = 0;
 187         insetWidth = 0;
 188         old_max_width = 0;
 189         no_selection = false;
 190         need_update = FULL;
 191         drawTextXOffset = 0;
 192         drawTextYOffset = 0;
 193         xpos = 0.0;
 194         locked = false;
 195         old_par = 0;
 196         last_drawn_width = -1;
 197         frame_is_visible = false;
 198         cached_bview = 0;
 199         sstate.lpar = 0;
 200         in_insetAllowed = false;
 201 }
 202
 203
 204 InsetText::~InsetText()
 205 {
 206         cached_bview = 0;
 207
 208         // NOTE
 209
 210         while (par) {
 211                 Paragraph * tmp = par->next();
 212                 delete par;
 213                 par = tmp;
 214         }
 215 }
 216
 217
 218 void InsetText::clear()
 219 {
 220         // This is a gross hack...
 221         string old_layout = par->layout();
 222
 223         while (par) {
 224                 Paragraph * tmp = par->next();
 225                 delete par;
 226                 par = tmp;
 227         }
 228         par = new Paragraph;
 229         par->setInsetOwner(this);
 230         par->layout(old_layout);
 231
 232         reinitLyXText();
 233         need_update = INIT;
 234 }
 235
 236
 237 Inset * InsetText::clone(Buffer const &, bool same_id) const
 238 {
 239         return new InsetText(*this, same_id);
 240 }
 241
 242
 243 void InsetText::write(Buffer const * buf, ostream & os) const
 244 {
 245         os << "Text\n";
 246         writeParagraphData(buf, os);
 247 }
 248
 249
 250 void InsetText::writeParagraphData(Buffer const * buf, ostream & os) const
 251 {
 252         par->writeFile(buf, os, buf->params, 0);
 253 }
 254
 255
 256 void InsetText::read(Buffer const * buf, LyXLex & lex)
 257 {
 258         string token;
 259         int pos = 0;
 260         Paragraph * return_par = 0;
 261         Paragraph::depth_type depth = 0;
 262         LyXFont font(LyXFont::ALL_INHERIT);
 263
 264         clear();
 265
 266         while (lex.isOK()) {
 267                 lex.nextToken();
 268                 token = lex.getString();
 269                 if (token.empty())
 270                         continue;
 271                 if (token == "\\end_inset") {
 272 #ifndef NO_COMPABILITY
 273                         const_cast<Buffer*>(buf)->insertErtContents(par, pos, false);
 274 #endif
 275                         break;
 276                 }
 277
 278                 if (const_cast<Buffer*>(buf)->
 279                         parseSingleLyXformat2Token(lex, par, return_par,
 280                                                    token, pos, depth, font)) {
 281                         // the_end read this should NEVER happen
 282                         lex.printError("\\the_end read in inset! Error in document!");
 283                         return;
 284                 }
 285         }
 286         if (!return_par)
 287                 return_par = par;
 288         par = return_par;
 289         while (return_par) {
 290                 return_par->setInsetOwner(this);
 291                 return_par = return_par->next();
 292         }
 293
 294         if (token != "\\end_inset") {
 295                 lex.printError("Missing \\end_inset at this point. "
 296                                            "Read: `$$Token'");
 297         }
 298         need_update = FULL;
 299 }
 300
 301
 302 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 303 {
 304         insetAscent = getLyXText(bv)->firstRow()->ascent_of_text() +
 305                 TEXT_TO_INSET_OFFSET;
 306         return insetAscent;
 307 }
 308
 309
 310 int InsetText::descent(BufferView * bv, LyXFont const &) const
 311 {
 312         LyXText * llt = getLyXText(bv);
 313         insetDescent = llt->height - llt->firstRow()->ascent_of_text() +
 314                 TEXT_TO_INSET_OFFSET;
 315         return insetDescent;
 316 }
 317
 318
 319 int InsetText::width(BufferView * bv, LyXFont const &) const
 320 {
 321         insetWidth = max(textWidth(bv), (int)getLyXText(bv)->width) +
 322                 (2 * TEXT_TO_INSET_OFFSET);
 323         insetWidth = max(insetWidth, 10);
 324         return insetWidth;
 325 }
 326
 327
 328 int InsetText::textWidth(BufferView * bv, bool fordraw) const
 329 {
 330         int w;
 331         if (!autoBreakRows) {
 332                 w = -1;
 333         } else {
 334                 w = getMaxWidth(bv, this);
 335         }
 336         if (fordraw) {
 337                 return max(w - (2 * TEXT_TO_INSET_OFFSET),
 338                            (int)getLyXText(bv)->width);
 339         } else if (w < 0) {
 340             return -1;
 341         }
 342         return w - (2 * TEXT_TO_INSET_OFFSET);
 343 }
 344
 345
 346 void InsetText::draw(BufferView * bv, LyXFont const & f,
 347                      int baseline, float & x, bool cleared) const
 348 {
 349         if (nodraw())
 350                 return;
 351
 352         Painter & pain = bv->painter();
 353
 354         // this is the first thing we have to ask because if the x pos
 355         // changed we have to do a complete rebreak of the text as we
 356         // may have few space to draw in. Well we should check on this too
 357         int old_x = top_x;
 358         if (top_x != int(x)) {
 359                 top_x = int(x);
 360                 topx_set = true;
 361                 int nw = getMaxWidth(bv, this);
 362                 if (nw > 0 && old_max_width != nw) {
 363                         need_update = INIT;
 364                         old_max_width = nw;
 365                         bv->text->status(bv, LyXText::CHANGED_IN_DRAW);
 366                         return;
 367                 }
 368         }
 369
 370         // call these methods so that insetWidth, insetAscent and
 371         // insetDescent have the right values.
 372         width(bv, f);
 373         ascent(bv, f);
 374         descent(bv, f);
 375
 376         // repaint the background if needed
 377         if (cleared && backgroundColor() != LColor::background) {
 378                 clearInset(bv, baseline, cleared);
 379         }
 380
 381         // no draw is necessary !!!
 382         if ((drawFrame_ == LOCKED) && !locked && !par->size()) {
 383                 top_baseline = baseline;
 384                 x += width(bv, f);
 385                 if (need_update & CLEAR_FRAME)
 386                         clearFrame(pain, cleared);
 387                 need_update = NONE;
 388                 return;
 389         }
 390
 391         xpos = x;
 392         if (!owner())
 393                 x += static_cast<float>(scroll());
 394
 395         // if top_x differs we did it already
 396         if (!cleared && (old_x == int(x))
 397             && ((need_update&(INIT|FULL)) || (top_baseline != baseline)
 398                 ||(last_drawn_width != insetWidth)))
 399         {
 400                 // Condition necessary to eliminate bug 59 attachment 37
 401                 if (baseline > 0)
 402                         clearInset(bv, baseline, cleared);
 403         }
 404
 405         if (cleared)
 406                 frame_is_visible = false;
 407
 408         if (!cleared && (need_update == NONE)) {
 409                 if (locked)
 410                         drawFrame(pain, cleared);
 411                 return;
 412         }
 413
 414         top_baseline = baseline;
 415         top_y = baseline - insetAscent;
 416
 417         if (last_drawn_width != insetWidth) {
 418                 if (!cleared)
 419                         clearInset(bv, baseline, cleared);
 420                 need_update |= FULL;
 421                 last_drawn_width = insetWidth;
 422         }
 423
 424         if (the_locking_inset && (cpar(bv) == inset_par)
 425                 && (cpos(bv) == inset_pos)) {
 426                 inset_x = cx(bv) - top_x + drawTextXOffset;
 427                 inset_y = cy(bv) + drawTextYOffset;
 428         }
 429         if (!cleared && (need_update == CURSOR)
 430             && !getLyXText(bv)->selection.set()) {
 431                 drawFrame(pain, cleared);
 432                 x += insetWidth;
 433                 need_update = NONE;
 434                 return;
 435         }
 436         bool clear = false;
 437         if (!lt) {
 438                 lt = getLyXText(bv);
 439                 clear = true;
 440         }
 441         x += TEXT_TO_INSET_OFFSET;
 442
 443         Row * row = lt->firstRow();
 444         int y_offset = baseline - row->ascent_of_text();
 445         int ph = pain.paperHeight();
 446         int first = 0;
 447         int y = y_offset;
 448         while ((row != 0) && ((y+row->height()) <= 0)) {
 449                 y += row->height();
 450                 first += row->height();
 451                 row = row->next();
 452         }
 453         if (y_offset < 0)
 454                 y_offset = y;
 455         lt->first_y = first;
 456         if (cleared || (need_update&(INIT|FULL))) {
 457                 int yf = y_offset;
 458                 y = 0;
 459                 while ((row != 0) && (yf < ph)) {
 460                         lt->getVisibleRow(bv, y+y_offset, int(x), row,
 461                                                 y+first, cleared);
 462                         y += row->height();
 463                         yf += row->height();
 464                         row = row->next();
 465                 }
 466         } else if (!locked) {
 467                 if (need_update & CURSOR) {
 468                         bv->screen()->toggleSelection(lt, bv, true, y_offset,int(x));
 469                         lt->clearSelection();
 470                         lt->selection.cursor = lt->cursor;
 471                 }
 472                 bv->screen()->update(lt, bv, y_offset, int(x));
 473         } else {
 474                 locked = false;
 475                 if (need_update & SELECTION) {
 476                         bv->screen()->toggleToggle(lt, bv, y_offset, int(x));
 477                 } else if (need_update & CURSOR) {
 478                         bv->screen()->toggleSelection(lt, bv, true, y_offset,int(x));
 479                         lt->clearSelection();
 480                         lt->selection.cursor = lt->cursor;
 481                 }
 482                 bv->screen()->update(lt, bv, y_offset, int(x));
 483                 locked = true;
 484         }
 485
 486         lt->refresh_y = 0;
 487         lt->status(bv, LyXText::UNCHANGED);
 488         if ((drawFrame_ == ALWAYS) ||
 489                 ((cleared || (need_update != CURSOR_PAR)) &&
 490                  (drawFrame_ == LOCKED) && locked))
 491         {
 492                 drawFrame(pain, cleared);
 493         } else if (need_update & CLEAR_FRAME) {
 494                 clearFrame(pain, cleared);
 495         }
 496
 497         x += insetWidth - TEXT_TO_INSET_OFFSET;
 498
 499         if (bv->text->status() == LyXText::CHANGED_IN_DRAW) {
 500                 need_update |= FULL;
 501         } else if (need_update != INIT) {
 502                 need_update = NONE;
 503         }
 504         if (clear)
 505                 lt = 0;
 506 }
 507
 508
 509 void InsetText::drawFrame(Painter & pain, bool cleared) const
 510 {
 511         static int const ttoD2 = TEXT_TO_INSET_OFFSET / 2;
 512         if (!frame_is_visible || cleared) {
 513                 frame_x = top_x + ttoD2;
 514                 frame_y = top_baseline - insetAscent + ttoD2;
 515                 frame_w = insetWidth - TEXT_TO_INSET_OFFSET;
 516                 frame_h = insetAscent + insetDescent - TEXT_TO_INSET_OFFSET;
 517                 pain.rectangle(frame_x, frame_y, frame_w, frame_h,
 518                                frame_color);
 519                 frame_is_visible = true;
 520         }
 521 }
 522
 523
 524 void InsetText::clearFrame(Painter & pain, bool cleared) const
 525 {
 526         if (frame_is_visible) {
 527                 if (!cleared) {
 528                         pain.rectangle(frame_x, frame_y, frame_w, frame_h,
 529                                        backgroundColor());
 530                 }
 531                 frame_is_visible = false;
 532         }
 533 }
 534
 535
 536 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 537 {
 538         if (in_update) {
 539                 if (reinit && owner()) {
 540                         reinitLyXText();
 541                         owner()->update(bv, font, true);
 542                 }
 543                 return;
 544         }
 545         in_update = true;
 546         if (reinit || need_update == INIT) {
 547                 need_update = FULL;
 548                 // we should put this call where we set need_update to INIT!
 549                 reinitLyXText();
 550                 if (owner())
 551                         owner()->update(bv, font, true);
 552                 in_update = false;
 553                 return;
 554         }
 555         if (the_locking_inset) {
 556                 inset_x = cx(bv) - top_x + drawTextXOffset;
 557                 inset_y = cy(bv) + drawTextYOffset;
 558                 the_locking_inset->update(bv, font, reinit);
 559         }
 560
 561         bool clear = false;
 562         if (!lt) {
 563                 lt = getLyXText(bv);
 564                 clear = true;
 565         }
 566         if ((need_update & CURSOR_PAR) && (lt->status() == LyXText::UNCHANGED) &&
 567                 the_locking_inset)
 568         {
 569                 lt->updateInset(bv, the_locking_inset);
 570         }
 571         if (lt->status() == LyXText::NEED_MORE_REFRESH)
 572                 need_update |= FULL;
 573         if (clear)
 574                 lt = 0;
 575         in_update = false;
 576 }
 577
 578
 579 void InsetText::setUpdateStatus(BufferView * bv, int what) const
 580 {
 581         // this does nothing dangerous so use only a localized buffer
 582         LyXText * llt = getLyXText(bv);
 583
 584         need_update |= what;
 585         // we have to redraw us full if our LyXText NEEDS_MORE_REFRES or
 586         // if we don't break row so that we only have one row to update!
 587         if ((llt->status() == LyXText::NEED_MORE_REFRESH) ||
 588             (!autoBreakRows &&
 589              (llt->status() == LyXText::NEED_VERY_LITTLE_REFRESH)))
 590         {
 591                 need_update |= FULL;
 592         } else if (llt->status() == LyXText::NEED_VERY_LITTLE_REFRESH) {
 593                 need_update |= CURSOR_PAR;
 594         }
 595
 596         // this to not draw a selection when we redraw all of it!
 597         if (need_update & CURSOR && !(need_update & SELECTION)) {
 598                 if (llt->selection.set())
 599                         need_update = FULL;
 600                 llt->clearSelection();
 601         }
 602 }
 603
 604
 605 void InsetText::updateLocal(BufferView * bv, int what, bool mark_dirty) const
 606 {
 607         if (!autoBreakRows && par->next())
 608                 collapseParagraphs(bv->buffer()->params);
 609         bool clear = false;
 610         if (!lt) {
 611                 lt = getLyXText(bv);
 612                 clear = true;
 613         }
 614         lt->fullRebreak(bv);
 615         setUpdateStatus(bv, what);
 616         bool flag = (((need_update != CURSOR) && (need_update != NONE)) ||
 617                      (lt->status() != LyXText::UNCHANGED) || lt->selection.set());
 618         if (!lt->selection.set())
 619                 lt->selection.cursor = lt->cursor;
 620         if (clear)
 621                 lt = 0;
 622         if (flag)
 623                 bv->updateInset(const_cast<InsetText *>(this), mark_dirty);
 624         else
 625                 bv->fitCursor();
 626
 627         if (need_update == CURSOR)
 628                 need_update = NONE;
 629         bv->owner()->showState();
 630         bv->owner()->updateMenubar();
 631         bv->owner()->updateToolbar();
 632         if (old_par != cpar(bv)) {
 633                 bv->owner()->setLayout(cpar(bv)->layout());
 634                 old_par = cpar(bv);
 635         }
 636 }
 637
 638
 639 string const InsetText::editMessage() const
 640 {
 641         return _("Opened Text Inset");
 642 }
 643
 644
 645 void InsetText::edit(BufferView * bv, int x, int y, unsigned int button)
 646 {
 647         UpdatableInset::edit(bv, x, y, button);
 648
 649         if (!bv->lockInset(this)) {
 650                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 651                 return;
 652         }
 653         locked = true;
 654         the_locking_inset = 0;
 655         inset_pos = inset_x = inset_y = 0;
 656         inset_boundary = false;
 657         inset_par = 0;
 658         old_par = 0;
 659         int tmp_y = (y < 0) ? 0 : y;
 660         bool clear = false;
 661         if (!lt) {
 662                 lt = getLyXText(bv);
 663                 clear = true;
 664         }
 665         if (!checkAndActivateInset(bv, x, tmp_y, button))
 666                 lt->setCursorFromCoordinates(bv, x - drawTextXOffset,
 667                                             y + insetAscent);
 668         lt->clearSelection();
 669         finishUndo();
 670         // If the inset is empty set the language of the current font to the
 671         // language to the surronding text (if different).
 672         if (par->size() == 0 && !par->next() &&
 673                 bv->getParentLanguage(this) != lt->current_font.language())
 674         {
 675                 LyXFont font(LyXFont::ALL_IGNORE);
 676                 font.setLanguage(bv->getParentLanguage(this));
 677                 setFont(bv, font, false);
 678         }
 679 //      showInsetCursor(bv);
 680         if (clear)
 681                 lt = 0;
 682
 683         int code = CURSOR;
 684         if (drawFrame_ == LOCKED)
 685                 code = CURSOR|DRAW_FRAME;
 686         updateLocal(bv, code, false);
 687 }
 688
 689
 690 void InsetText::edit(BufferView * bv, bool front)
 691 {
 692         UpdatableInset::edit(bv, front);
 693
 694         if (!bv->lockInset(this)) {
 695                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 696                 return;
 697         }
 698         locked = true;
 699         the_locking_inset = 0;
 700         inset_pos = inset_x = inset_y = 0;
 701         inset_boundary = false;
 702         inset_par = 0;
 703         old_par = 0;
 704         bool clear = false;
 705         if (!lt) {
 706                 lt = getLyXText(bv);
 707                 clear = true;
 708         }
 709         if (front)
 710                 lt->setCursor(bv, par, 0);
 711         else {
 712                 Paragraph * p = par;
 713                 while (p->next())
 714                         p = p->next();
 715 //              int const pos = (p->size() ? p->size()-1 : p->size());
 716                 lt->setCursor(bv, p, p->size());
 717         }
 718         lt->clearSelection();
 719         finishUndo();
 720         // If the inset is empty set the language of the current font to the
 721         // language to the surronding text (if different).
 722         if (par->size() == 0 && !par->next() &&
 723                 bv->getParentLanguage(this) != lt->current_font.language()) {
 724                 LyXFont font(LyXFont::ALL_IGNORE);
 725                 font.setLanguage(bv->getParentLanguage(this));
 726                 setFont(bv, font, false);
 727         }
 728 //      showInsetCursor(bv);
 729         if (clear)
 730                 lt = 0;
 731         int code = CURSOR;
 732         if (drawFrame_ == LOCKED)
 733                 code = CURSOR|DRAW_FRAME;
 734         updateLocal(bv, code, false);
 735 }
 736
 737
 738 void InsetText::insetUnlock(BufferView * bv)
 739 {
 740         if (the_locking_inset) {
 741                 the_locking_inset->insetUnlock(bv);
 742                 the_locking_inset = 0;
 743         }
 744         hideInsetCursor(bv);
 745         no_selection = false;
 746         locked = false;
 747         int code;
 748         if (drawFrame_ == LOCKED)
 749                 code = CURSOR|CLEAR_FRAME;
 750         else
 751                 code = CURSOR;
 752         bool clear = false;
 753         if (!lt) {
 754                 lt = getLyXText(bv);
 755                 clear = true;
 756         }
 757         if (lt->selection.set()) {
 758                 lt->clearSelection();
 759                 code = FULL;
 760         } else if (owner()) {
 761                 bv->owner()->setLayout(owner()->getLyXText(bv)
 762                                        ->cursor.par()->layout());
 763         } else
 764                 bv->owner()->setLayout(bv->text->cursor.par()->layout());
 765         // hack for deleteEmptyParMech
 766         if (par->size()) {
 767                 lt->setCursor(bv, par, 0);
 768         } else if (par->next()) {
 769                 lt->setCursor(bv, par->next(), 0);
 770         }
 771         if (clear)
 772                 lt = 0;
 773         updateLocal(bv, code, false);
 774 }
 775
 776 void InsetText::lockInset(BufferView * bv, UpdatableInset * inset)
 777 {
 778         the_locking_inset = inset;
 779         inset_x = cx(bv) - top_x + drawTextXOffset;
 780         inset_y = cy(bv) + drawTextYOffset;
 781         inset_pos = cpos(bv);
 782         inset_par = cpar(bv);
 783         inset_boundary = cboundary(bv);
 784         updateLocal(bv, CURSOR, false);
 785 }
 786
 787
 788 bool InsetText::lockInsetInInset(BufferView * bv, UpdatableInset * inset)
 789 {
 790         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 791                               << inset << "): ";
 792         if (!inset)
 793                 return false;
 794         if (!the_locking_inset) {
 795                 Paragraph * p = par;
 796                 int const id = inset->id();
 797                 while(p) {
 798                         Paragraph::inset_iterator it =
 799                                 p->inset_iterator_begin();
 800                         Paragraph::inset_iterator const end =
 801                                 p->inset_iterator_end();
 802                         for (; it != end; ++it) {
 803                                 if ((*it) == inset) {
 804                                         getLyXText(bv)->setCursorIntern(bv, p, it.getPos());
 805                                         lockInset(bv, inset);
 806                                         return true;
 807                                 }
 808                                 if ((*it)->getInsetFromID(id)) {
 809                                         getLyXText(bv)->setCursorIntern(bv, p, it.getPos());
 810                                         (*it)->edit(bv);
 811                                         return the_locking_inset->lockInsetInInset(bv, inset);
 812                                 }
 813                         }
 814                         p = p->next();
 815                 }
 816                 return false;
 817         }
 818         if (inset == cpar(bv)->getInset(cpos(bv))) {
 819                 lyxerr[Debug::INSETS] << "OK" << endl;
 820                 lockInset(bv, inset);
 821                 return true;
 822         } else if (the_locking_inset && (the_locking_inset == inset)) {
 823                 if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 824                         lyxerr[Debug::INSETS] << "OK" << endl;
 825                         inset_x = cx(bv) - top_x + drawTextXOffset;
 826                         inset_y = cy(bv) + drawTextYOffset;
 827                 } else {
 828                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 829                 }
 830         } else if (the_locking_inset) {
 831                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 832                 return the_locking_inset->lockInsetInInset(bv, inset);
 833         }
 834         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 835         return false;
 836 }
 837
 838
 839 bool InsetText::unlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 840                                    bool lr)
 841 {
 842         if (!the_locking_inset)
 843                 return false;
 844         if (the_locking_inset == inset) {
 845                 the_locking_inset->insetUnlock(bv);
 846                 getLyXText(bv)->updateInset(bv, inset);
 847                 the_locking_inset = 0;
 848                 if (lr)
 849                         moveRight(bv, false);
 850                 old_par = 0; // force layout setting
 851                 if (scroll())
 852                         scroll(bv, 0.0F);
 853                 else
 854                         updateLocal(bv, CURSOR, false);
 855                 return true;
 856         }
 857         return the_locking_inset->unlockInsetInInset(bv, inset, lr);
 858 }
 859
 860
 861 bool InsetText::updateInsetInInset(BufferView * bv, Inset * inset)
 862 {
 863         if (!autoBreakRows && par->next())
 864                 collapseParagraphs(bv->buffer()->params);
 865         if (inset == this)
 866                 return true;
 867         bool clear = false;
 868         if (!lt) {
 869                 lt = getLyXText(bv);
 870                 clear = true;
 871         }
 872         if (inset->owner() != this) {
 873                 int ustat = CURSOR_PAR;
 874                 bool found = false;
 875                 UpdatableInset * tl_inset = the_locking_inset;
 876                 if (tl_inset)
 877                         found = tl_inset->updateInsetInInset(bv, inset);
 878                 if (!found) {
 879                         tl_inset = static_cast<UpdatableInset *>(inset);
 880                         while(tl_inset->owner() && tl_inset->owner() != this)
 881                                 tl_inset = static_cast<UpdatableInset *>(tl_inset->owner());
 882                         if (!tl_inset->owner())
 883                                 return false;
 884                         found = tl_inset->updateInsetInInset(bv, inset);
 885                         ustat = FULL;
 886                 }
 887                 if (found)
 888                         lt->updateInset(bv, tl_inset);
 889                 if (clear)
 890                         lt = 0;
 891                 if (found)
 892                         setUpdateStatus(bv, ustat);
 893                 return found;
 894         }
 895         bool found = lt->updateInset(bv, inset);
 896         if (clear)
 897                 lt = 0;
 898         if (found) {
 899                 setUpdateStatus(bv, CURSOR_PAR);
 900                 if (the_locking_inset &&
 901                     cpar(bv) == inset_par && cpos(bv) == inset_pos)
 902                 {
 903                         inset_x = cx(bv) - top_x + drawTextXOffset;
 904                         inset_y = cy(bv) + drawTextYOffset;
 905                 }
 906         }
 907         return found;
 908 }
 909
 910
 911 void InsetText::insetButtonPress(BufferView * bv, int x, int y, int button)
 912 {
 913         no_selection = true;
 914
 915         // use this to check mouse motion for selection!
 916         mouse_x = x;
 917         mouse_y = y;
 918
 919         int tmp_x = x - drawTextXOffset;
 920         int tmp_y = y + insetAscent - getLyXText(bv)->first_y;
 921         Inset * inset = bv->checkInsetHit(getLyXText(bv), tmp_x, tmp_y);
 922
 923         hideInsetCursor(bv);
 924         if (the_locking_inset) {
 925                 if (the_locking_inset == inset) {
 926                         the_locking_inset->insetButtonPress(bv,
 927                                                             x - inset_x,
 928                                                             y - inset_y,
 929                                                             button);
 930                         no_selection = false;
 931                         return;
 932                 } else if (inset) {
 933                         // otherwise unlock the_locking_inset and lock the new inset
 934                         the_locking_inset->insetUnlock(bv);
 935                         inset_x = cx(bv) - top_x + drawTextXOffset;
 936                         inset_y = cy(bv) + drawTextYOffset;
 937                         the_locking_inset = 0;
 938                         inset->insetButtonPress(bv, x - inset_x,
 939                                                 y - inset_y, button);
 940 //                      inset->edit(bv, x - inset_x, y - inset_y, button);
 941                         if (the_locking_inset)
 942                                 updateLocal(bv, CURSOR, false);
 943                         no_selection = false;
 944                         return;
 945                 }
 946                 // otherwise only unlock the_locking_inset
 947                 the_locking_inset->insetUnlock(bv);
 948                 the_locking_inset = 0;
 949         }
 950         if (bv->theLockingInset()) {
 951                 if (isHighlyEditableInset(inset)) {
 952                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 953                         inset_x = cx(bv) - top_x + drawTextXOffset;
 954                         inset_y = cy(bv) + drawTextYOffset;
 955                         inset_pos = cpos(bv);
 956                         inset_par = cpar(bv);
 957                         inset_boundary = cboundary(bv);
 958                         the_locking_inset = uinset;
 959                         uinset->insetButtonPress(bv, x - inset_x, y - inset_y,
 960                                                  button);
 961                         uinset->edit(bv, x - inset_x, y - inset_y, 0);
 962                         if (the_locking_inset)
 963                                 updateLocal(bv, CURSOR, false);
 964                         no_selection = false;
 965                         return;
 966                 }
 967         }
 968         if (!inset) { // && (button == 2)) {
 969                 bool paste_internally = false;
 970                 if ((button == 2) && getLyXText(bv)->selection.set()) {
 971                         localDispatch(bv, LFUN_COPY, "");
 972                         paste_internally = true;
 973                 }
 974                 bool clear = false;
 975                 if (!lt) {
 976                         lt = getLyXText(bv);
 977                         clear = true;
 978                 }
 979
 980                 lt->setCursorFromCoordinates(bv, x - drawTextXOffset,
 981                                              y + insetAscent);
 982                 // set the selection cursor!
 983                 lt->selection.cursor = lt->cursor;
 984                 lt->cursor.x_fix(lt->cursor.x());
 985
 986                 if (lt->selection.set()) {
 987                         lt->clearSelection();
 988                         if (clear)
 989                                 lt = 0;
 990                         updateLocal(bv, FULL, false);
 991                 } else {
 992                         lt->clearSelection();
 993                         if (clear)
 994                                 lt = 0;
 995                         updateLocal(bv, CURSOR, false);
 996                 }
 997                 bv->owner()->setLayout(cpar(bv)->layout());
 998                 old_par = cpar(bv);
 999                 // Insert primary selection with middle mouse
1000                 // if there is a local selection in the current buffer,
1001                 // insert this
1002                 if (button == 2) {
1003                         if (paste_internally)
1004                                 localDispatch(bv, LFUN_PASTE, "");
1005                         else
1006                                 localDispatch(bv, LFUN_PASTESELECTION,
1007                                               "paragraph");
1008                 }
1009         } else {
1010                 getLyXText(bv)->clearSelection();
1011         }
1012         showInsetCursor(bv);
1013         no_selection = false;
1014 }
1015
1016
1017 bool InsetText::insetButtonRelease(BufferView * bv, int x, int y, int button)
1018 {
1019         if (the_locking_inset) {
1020                 return the_locking_inset->insetButtonRelease(bv,
1021                                                              x - inset_x, y - inset_y,
1022                                                              button);
1023         }
1024         int tmp_x = x - drawTextXOffset;
1025         int tmp_y = y + insetAscent - getLyXText(bv)->first_y;
1026         Inset * inset = bv->checkInsetHit(getLyXText(bv), tmp_x, tmp_y);
1027         bool ret = false;
1028         if (inset) {
1029                 if (isHighlyEditableInset(inset)) {
1030                         ret = inset->insetButtonRelease(bv, x - inset_x,
1031                                                         y - inset_y, button);
1032                 } else {
1033                         inset_x = cx(bv) - top_x + drawTextXOffset;
1034                         inset_y = cy(bv) + drawTextYOffset;
1035                         ret = inset->insetButtonRelease(bv, x - inset_x,
1036                                                         y - inset_y, button);
1037                         inset->edit(bv, x - inset_x,
1038                                     y - inset_y, button);
1039                 }
1040                 updateLocal(bv, CURSOR_PAR, false);
1041         }
1042         return ret;
1043 }
1044
1045
1046 void InsetText::insetMotionNotify(BufferView * bv, int x, int y, int state)
1047 {
1048         if (no_selection || ((mouse_x == x) && (mouse_y == y)))
1049                 return;
1050         if (the_locking_inset) {
1051                 the_locking_inset->insetMotionNotify(bv, x - inset_x,
1052                                                      y - inset_y,state);
1053                 return;
1054         }
1055         bool clear = false;
1056         if (!lt) {
1057                 lt = getLyXText(bv);
1058                 clear = true;
1059         }
1060         hideInsetCursor(bv);
1061         LyXCursor cur = lt->cursor;
1062         lt->setCursorFromCoordinates(bv, x - drawTextXOffset, y + insetAscent);
1063         if (cur == lt->cursor) {
1064                 if (clear)
1065                         lt = 0;
1066                 return;
1067         }
1068         lt->setSelection(bv);
1069         bool flag = (lt->toggle_cursor.par() != lt->toggle_end_cursor.par() ||
1070                                  lt->toggle_cursor.pos() != lt->toggle_end_cursor.pos());
1071         if (clear)
1072                 lt = 0;
1073         if (flag) {
1074                 updateLocal(bv, SELECTION, false);
1075         }
1076         showInsetCursor(bv);
1077 }
1078
1079
1080 void InsetText::insetKeyPress(XKeyEvent * xke)
1081 {
1082         if (the_locking_inset) {
1083                 the_locking_inset->insetKeyPress(xke);
1084                 return;
1085         }
1086 }
1087
1088
1089 UpdatableInset::RESULT
1090 InsetText::localDispatch(BufferView * bv,
1091                          kb_action action, string const & arg)
1092 {
1093         bool was_empty = par->size() == 0 && !par->next();
1094         no_selection = false;
1095         UpdatableInset::RESULT
1096                 result= UpdatableInset::localDispatch(bv, action, arg);
1097         if (result != UNDISPATCHED) {
1098                 return DISPATCHED;
1099         }
1100
1101         result = DISPATCHED;
1102         if ((action < 0) && arg.empty())
1103                 return FINISHED;
1104
1105         if (the_locking_inset) {
1106                 result = the_locking_inset->localDispatch(bv, action, arg);
1107                 if (result == DISPATCHED_NOUPDATE)
1108                         return result;
1109                 else if (result == DISPATCHED) {
1110                         updateLocal(bv, CURSOR_PAR, false);
1111                         return result;
1112                 } else if (result >= FINISHED) {
1113                         switch (result) {
1114                         case FINISHED_RIGHT:
1115                                 moveRightIntern(bv, false, false);
1116                                 result = DISPATCHED;
1117                                 break;
1118                         case FINISHED_UP:
1119                                 if ((result = moveUp(bv)) >= FINISHED) {
1120                                         updateLocal(bv, CURSOR, false);
1121                                         bv->unlockInset(this);
1122                                 }
1123                                 break;
1124                         case FINISHED_DOWN:
1125                                 if ((result = moveDown(bv)) >= FINISHED) {
1126                                         updateLocal(bv, CURSOR, false);
1127                                         bv->unlockInset(this);
1128                                 }
1129                                 break;
1130                         default:
1131                                 result = DISPATCHED;
1132                                 break;
1133                         }
1134                         the_locking_inset = 0;
1135 #ifdef WITH_WARNINGS
1136 #warning I changed this to always return Dispatched maybe it is wrong (20011001 Jug)
1137 #endif
1138                         return result;
1139                 }
1140         }
1141         hideInsetCursor(bv);
1142         bool clear = false;
1143         if (!lt) {
1144                 lt = getLyXText(bv);
1145                 clear = true;
1146         }
1147         int updwhat = 0;
1148         int updflag = false;
1149         switch (action) {
1150         // Normal chars
1151         case LFUN_SELFINSERT:
1152                 if (bv->buffer()->isReadonly()) {
1153 //          setErrorMessage(N_("Document is read only"));
1154                         break;
1155                 }
1156                 if (!arg.empty()) {
1157                         /* Automatically delete the currently selected
1158                          * text and replace it with what is being
1159                          * typed in now. Depends on lyxrc settings
1160                          * "auto_region_delete", which defaults to
1161                          * true (on). */
1162
1163                         setUndo(bv, Undo::INSERT,
1164                                 lt->cursor.par(), lt->cursor.par()->next());
1165                         bv->setState();
1166                         if (lyxrc.auto_region_delete) {
1167                                 if (lt->selection.set()) {
1168                                         lt->cutSelection(bv, false);
1169                                 }
1170                         }
1171                         lt->clearSelection();
1172                         for (string::size_type i = 0; i < arg.length(); ++i) {
1173                                 bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], lt);
1174                         }
1175                 }
1176                 lt->selection.cursor = lt->cursor;
1177                 updwhat = CURSOR_PAR;
1178                 updflag = true;
1179                 result = DISPATCHED_NOUPDATE;
1180                 break;
1181                 // --- Cursor Movements -----------------------------------
1182         case LFUN_RIGHTSEL:
1183                 finishUndo();
1184                 moveRight(bv, false, true);
1185                 lt->setSelection(bv);
1186                 updwhat = SELECTION;
1187                 break;
1188         case LFUN_RIGHT:
1189                 result = moveRight(bv);
1190                 finishUndo();
1191                 updwhat = CURSOR;
1192                 break;
1193         case LFUN_LEFTSEL:
1194                 finishUndo();
1195                 moveLeft(bv, false, true);
1196                 lt->setSelection(bv);
1197                 updwhat = SELECTION;
1198                 break;
1199         case LFUN_LEFT:
1200                 finishUndo();
1201                 result = moveLeft(bv);
1202                 updwhat = CURSOR;
1203                 break;
1204         case LFUN_DOWNSEL:
1205                 finishUndo();
1206                 moveDown(bv);
1207                 lt->setSelection(bv);
1208                 updwhat = SELECTION;
1209                 break;
1210         case LFUN_DOWN:
1211                 finishUndo();
1212                 result = moveDown(bv);
1213                 updwhat = CURSOR;
1214                 break;
1215         case LFUN_UPSEL:
1216                 finishUndo();
1217                 moveUp(bv);
1218                 lt->setSelection(bv);
1219                 updwhat = SELECTION;
1220                 break;
1221         case LFUN_UP:
1222                 finishUndo();
1223                 result = moveUp(bv);
1224                 updwhat = CURSOR;
1225                 break;
1226         case LFUN_HOME:
1227                 finishUndo();
1228                 lt->cursorHome(bv);
1229                 updwhat = CURSOR;
1230                 break;
1231         case LFUN_END:
1232                 lt->cursorEnd(bv);
1233                 updwhat = CURSOR;
1234                 break;
1235         case LFUN_BACKSPACE: {
1236                 setUndo(bv, Undo::DELETE,
1237                         lt->cursor.par(), lt->cursor.par()->next());
1238                 if (lt->selection.set())
1239                         lt->cutSelection(bv);
1240                 else
1241                         lt->backspace(bv);
1242                 updwhat = CURSOR_PAR;
1243                 updflag = true;
1244         }
1245         break;
1246
1247         case LFUN_DELETE: {
1248                 setUndo(bv, Undo::DELETE,
1249                         lt->cursor.par(), lt->cursor.par()->next());
1250                 if (lt->selection.set()) {
1251                         lt->cutSelection(bv);
1252                 } else {
1253                         lt->Delete(bv);
1254                 }
1255                 updwhat = CURSOR_PAR;
1256                 updflag = true;
1257         }
1258         break;
1259
1260         case LFUN_CUT: {
1261                 setUndo(bv, Undo::DELETE,
1262                         lt->cursor.par(), lt->cursor.par()->next());
1263                 lt->cutSelection(bv);
1264                 updwhat = CURSOR_PAR;
1265                 updflag = true;
1266         }
1267         break;
1268
1269         case LFUN_COPY:
1270                 finishUndo();
1271                 lt->copySelection(bv);
1272                 updwhat = CURSOR_PAR;
1273                 break;
1274         case LFUN_PASTESELECTION:
1275         {
1276                 string const clip(bv->getClipboard());
1277
1278                 if (clip.empty())
1279                         break;
1280                 if (arg == "paragraph") {
1281                         lt->insertStringAsParagraphs(bv, clip);
1282                 } else {
1283                         lt->insertStringAsLines(bv, clip);
1284                 }
1285                 updwhat = CURSOR_PAR;
1286                 updflag = true;
1287                 break;
1288         }
1289         case LFUN_PASTE: {
1290                 if (!autoBreakRows) {
1291
1292                         if (CutAndPaste::nrOfParagraphs() > 1) {
1293                                 Alert::alert(_("Impossible operation"),
1294                                                    _("Cannot include more than one paragraph!"),
1295                                                    _("Sorry."));
1296                                 break;
1297                         }
1298                 }
1299                 setUndo(bv, Undo::INSERT,
1300                         lt->cursor.par(), lt->cursor.par()->next());
1301                 lt->pasteSelection(bv);
1302                 updwhat = CURSOR_PAR;
1303                 updflag = true;
1304         }
1305         break;
1306
1307         case LFUN_BREAKPARAGRAPH:
1308                 if (!autoBreakRows) {
1309                         result = DISPATCHED;
1310                         break;
1311                 }
1312                 lt->breakParagraph(bv, 0);
1313                 updwhat = FULL;
1314                 updflag = true;
1315                 break;
1316         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1317                 if (!autoBreakRows) {
1318                         result = DISPATCHED;
1319                         break;
1320                 }
1321                 lt->breakParagraph(bv, 1);
1322                 updwhat = FULL;
1323                 updflag = true;
1324                 break;
1325
1326         case LFUN_BREAKLINE: {
1327                 if (!autoBreakRows) {
1328                         result = DISPATCHED;
1329                         break;
1330                 }
1331                 setUndo(bv, Undo::INSERT,
1332                         lt->cursor.par(), lt->cursor.par()->next());
1333                 lt->insertChar(bv, Paragraph::META_NEWLINE);
1334                 updwhat = CURSOR_PAR;
1335                 updflag = true;
1336         }
1337         break;
1338
1339         case LFUN_LAYOUT:
1340                 // do not set layouts on non breakable textinsets
1341                 if (autoBreakRows) {
1342                         string cur_layout = cpar(bv)->layout();
1343
1344                         // Derive layout number from given argument (string)
1345                         // and current buffer's textclass (number). */
1346                         textclass_type tclass = bv->buffer()->params.textclass;
1347                         string layout = arg;
1348                         bool hasLayout = textclasslist[tclass].hasLayout(layout);
1349
1350                         // If the entry is obsolete, use the new one instead.
1351                         if (hasLayout) {
1352                                 string const & obs =
1353                                         textclasslist[tclass][layout].
1354                                         obsoleted_by();
1355                                 if (!obs.empty())
1356                                         layout = obs;
1357                         }
1358
1359                         // see if we found the layout number:
1360                         if (!hasLayout) {
1361                                 string const msg = string(N_("Layout ")) + arg + N_(" not known");
1362                                 bv->owner()->getLyXFunc()->dispatch(LFUN_MESSAGE, msg);
1363                                 break;
1364                         }
1365
1366                         if (cur_layout != layout) {
1367                                 cur_layout = layout;
1368                                 lt->setLayout(bv, layout);
1369                                 bv->owner()->setLayout(cpar(bv)->layout());
1370                                 updwhat = CURSOR_PAR;
1371                                 updflag = true;
1372                         }
1373                 } else {
1374                         // reset the layout box
1375                         bv->owner()->setLayout(cpar(bv)->layout());
1376                 }
1377                 break;
1378         case LFUN_PARAGRAPH_SPACING:
1379                 // This one is absolutely not working. When fiddling with this
1380                 // it also seems to me that the paragraphs inside the insettext
1381                 // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1382         {
1383                 Paragraph * par = lt->cursor.par();
1384                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
1385                 float cur_value = 1.0;
1386                 if (cur_spacing == Spacing::Other) {
1387                         cur_value = par->params().spacing().getValue();
1388                 }
1389
1390                 istringstream istr(arg.c_str());
1391                 string tmp;
1392                 istr >> tmp;
1393                 Spacing::Space new_spacing = cur_spacing;
1394                 float new_value = cur_value;
1395                 if (tmp.empty()) {
1396                         lyxerr << "Missing argument to `paragraph-spacing'"
1397                                    << endl;
1398                 } else if (tmp == "single") {
1399                         new_spacing = Spacing::Single;
1400                 } else if (tmp == "onehalf") {
1401                         new_spacing = Spacing::Onehalf;
1402                 } else if (tmp == "double") {
1403                         new_spacing = Spacing::Double;
1404                 } else if (tmp == "other") {
1405                         new_spacing = Spacing::Other;
1406                         float tmpval = 0.0;
1407                         istr >> tmpval;
1408                         lyxerr << "new_value = " << tmpval << endl;
1409                         if (tmpval != 0.0)
1410                                 new_value = tmpval;
1411                 } else if (tmp == "default") {
1412                         new_spacing = Spacing::Default;
1413                 } else {
1414                         lyxerr << _("Unknown spacing argument: ")
1415                                    << arg << endl;
1416                 }
1417                 if (cur_spacing != new_spacing || cur_value != new_value) {
1418                         par->params().spacing(Spacing(new_spacing, new_value));
1419                         updwhat = CURSOR_PAR;
1420                         updflag = true;
1421                 }
1422         }
1423         break;
1424
1425         default:
1426                 if (!bv->Dispatch(action, arg))
1427                         result = UNDISPATCHED;
1428                 break;
1429         }
1430
1431         if (clear)
1432                 lt = 0;
1433         if (updwhat > 0)
1434                 updateLocal(bv, updwhat, updflag);
1435         /// If the action has deleted all text in the inset, we need to change the
1436         // language to the language of the surronding text.
1437         if (!was_empty && par->size() == 0 && !par->next()) {
1438                 LyXFont font(LyXFont::ALL_IGNORE);
1439                 font.setLanguage(bv->getParentLanguage(this));
1440                 setFont(bv, font, false);
1441         }
1442
1443         if (result >= FINISHED)
1444                 bv->unlockInset(this);
1445         return result;
1446 }
1447
1448
1449 int InsetText::latex(Buffer const * buf, ostream & os, bool, bool) const
1450 {
1451         TexRow texrow;
1452         buf->latexParagraphs(os, par, 0, texrow);
1453         return texrow.rows();
1454 }
1455
1456
1457 int InsetText::ascii(Buffer const * buf, ostream & os, int linelen) const
1458 {
1459         Paragraph * p = par;
1460         unsigned int lines = 0;
1461
1462         while (p) {
1463                 string const tmp = buf->asciiParagraph(p, linelen, p->previous()==0);
1464                 lines += lyx::count(tmp.begin(), tmp.end(), '\n');
1465                 os << tmp;
1466                 p = p->next();
1467         }
1468         return lines;
1469 }
1470
1471
1472 int InsetText::docbook(Buffer const * buf, ostream & os) const
1473 {
1474         Paragraph * p = par;
1475         unsigned int lines = 0;
1476
1477         vector<string> environment_stack(10);
1478         vector<string> environment_inner(10);
1479
1480         int const command_depth = 0;
1481         string item_name;
1482
1483         Paragraph::depth_type depth = 0; // paragraph depth
1484
1485         while (p) {
1486                 string sgmlparam;
1487                 int desc_on = 0; // description mode
1488
1489                 LyXLayout const & style =
1490                         textclasslist[buf->params.textclass][p->layout()];
1491
1492                 // environment tag closing
1493                 for (; depth > p->params().depth(); --depth) {
1494                         if (environment_inner[depth] != "!-- --") {
1495                                 item_name = "listitem";
1496                                 buf->sgmlCloseTag(os, command_depth + depth,
1497                                              item_name);
1498                                 if (environment_inner[depth] == "varlistentry")
1499                                         buf->sgmlCloseTag(os, depth+command_depth,
1500                                                      environment_inner[depth]);
1501                         }
1502                         buf->sgmlCloseTag(os, depth + command_depth,
1503                                      environment_stack[depth]);
1504                         environment_stack[depth].erase();
1505                         environment_inner[depth].erase();
1506                 }
1507
1508                 if (depth == p->params().depth()
1509                    && environment_stack[depth] != style.latexname()
1510                    && !environment_stack[depth].empty()) {
1511                         if (environment_inner[depth] != "!-- --") {
1512                                 item_name= "listitem";
1513                                 buf->sgmlCloseTag(os, command_depth+depth,
1514                                                   item_name);
1515                                 if (environment_inner[depth] == "varlistentry")
1516                                         buf->sgmlCloseTag(os,
1517                                                           depth + command_depth,
1518                                                           environment_inner[depth]);
1519                         }
1520
1521                         buf->sgmlCloseTag(os, depth + command_depth,
1522                                           environment_stack[depth]);
1523
1524                         environment_stack[depth].erase();
1525                         environment_inner[depth].erase();
1526                 }
1527
1528                 // Write opening SGML tags.
1529                 switch (style.latextype) {
1530                 case LATEX_PARAGRAPH:
1531                         buf->sgmlOpenTag(os, depth + command_depth,
1532                                          style.latexname());
1533                         break;
1534
1535                 case LATEX_COMMAND:
1536                         buf->sgmlError(p, 0,
1537                                        _("Error : LatexType Command not allowed here.\n"));
1538                         return -1;
1539                         break;
1540
1541                 case LATEX_ENVIRONMENT:
1542                 case LATEX_ITEM_ENVIRONMENT:
1543                         if (depth < p->params().depth()) {
1544                                 depth = p->params().depth();
1545                                 environment_stack[depth].erase();
1546                         }
1547
1548                         if (environment_stack[depth] != style.latexname()) {
1549                                 if (environment_stack.size() == depth + 1) {
1550                                         environment_stack.push_back("!-- --");
1551                                         environment_inner.push_back("!-- --");
1552                                 }
1553                                 environment_stack[depth] = style.latexname();
1554                                 environment_inner[depth] = "!-- --";
1555                                 buf->sgmlOpenTag(os, depth + command_depth,
1556                                                  environment_stack[depth]);
1557                         } else {
1558                                 if (environment_inner[depth] != "!-- --") {
1559                                         item_name= "listitem";
1560                                         buf->sgmlCloseTag(os,
1561                                                           command_depth + depth,
1562                                                           item_name);
1563                                         if (environment_inner[depth] == "varlistentry")
1564                                                 buf->sgmlCloseTag(os,
1565                                                                   depth + command_depth,
1566                                                                   environment_inner[depth]);
1567                                 }
1568                         }
1569
1570                         if (style.latextype == LATEX_ENVIRONMENT) {
1571                                 if (!style.latexparam().empty()) {
1572                                         if (style.latexparam() == "CDATA")
1573                                                 os << "<![CDATA[";
1574                                         else
1575                                                 buf->sgmlOpenTag(os, depth + command_depth,
1576                                                                  style.latexparam());
1577                                 }
1578                                 break;
1579                         }
1580
1581                         desc_on = (style.labeltype == LABEL_MANUAL);
1582
1583                         if (desc_on)
1584                                 environment_inner[depth]= "varlistentry";
1585                         else
1586                                 environment_inner[depth]= "listitem";
1587
1588                         buf->sgmlOpenTag(os, depth + 1 + command_depth,
1589                                          environment_inner[depth]);
1590
1591                         if (desc_on) {
1592                                 item_name= "term";
1593                                 buf->sgmlOpenTag(os, depth + 1 + command_depth,
1594                                                  item_name);
1595                         } else {
1596                                 item_name= "para";
1597                                 buf->sgmlOpenTag(os, depth + 1 + command_depth,
1598                                                  item_name);
1599                         }
1600                         break;
1601                 default:
1602                         buf->sgmlOpenTag(os, depth + command_depth,
1603                                          style.latexname());
1604                         break;
1605                 }
1606
1607                 buf->simpleDocBookOnePar(os, p, desc_on,
1608                                          depth + 1 + command_depth);
1609                 p = p->next();
1610
1611                 string end_tag;
1612                 // write closing SGML tags
1613                 switch (style.latextype) {
1614                 case LATEX_ENVIRONMENT:
1615                         if (!style.latexparam().empty()) {
1616                                 if (style.latexparam() == "CDATA")
1617                                         os << "]]>";
1618                                 else
1619                                         buf->sgmlCloseTag(os, depth + command_depth,
1620                                                           style.latexparam());
1621                         }
1622                         break;
1623                 case LATEX_ITEM_ENVIRONMENT:
1624                         if (desc_on == 1) break;
1625                         end_tag= "para";
1626                         buf->sgmlCloseTag(os, depth + 1 + command_depth, end_tag);
1627                         break;
1628                 case LATEX_PARAGRAPH:
1629                         buf->sgmlCloseTag(os, depth + command_depth, style.latexname());
1630                         break;
1631                 default:
1632                         buf->sgmlCloseTag(os, depth + command_depth, style.latexname());
1633                         break;
1634                 }
1635         }
1636
1637         // Close open tags
1638         for (int d = depth; d >= 0; --d) {
1639                 if (!environment_stack[depth].empty()) {
1640                         if (environment_inner[depth] != "!-- --") {
1641                                 item_name = "listitem";
1642                                 buf->sgmlCloseTag(os, command_depth + depth,
1643                                                   item_name);
1644                                if (environment_inner[depth] == "varlistentry")
1645                                        buf->sgmlCloseTag(os, depth + command_depth,
1646                                                          environment_inner[depth]);
1647                         }
1648
1649                         buf->sgmlCloseTag(os, depth + command_depth,
1650                                           environment_stack[depth]);
1651                 }
1652         }
1653
1654         return lines;
1655 }
1656
1657
1658 void InsetText::validate(LaTeXFeatures & features) const
1659 {
1660         Paragraph * p = par;
1661         while (p) {
1662                 p->validate(features);
1663                 p = p->next();
1664         }
1665 }
1666
1667
1668 int InsetText::beginningOfMainBody(Buffer const * buf, Paragraph * p) const
1669 {
1670         if (textclasslist[buf->params.textclass][p->layout()].labeltype != LABEL_MANUAL)
1671                 return 0;
1672         else
1673                 return p->beginningOfMainBody();
1674 }
1675
1676
1677 void InsetText::getCursorPos(BufferView * bv,
1678                              int & x, int & y) const
1679 {
1680         if (the_locking_inset) {
1681                 the_locking_inset->getCursorPos(bv, x, y);
1682                 return;
1683         }
1684         x = cx(bv);
1685         y = cy(bv);
1686 }
1687
1688
1689 unsigned int InsetText::insetInInsetY()
1690 {
1691         if (!the_locking_inset)
1692                 return 0;
1693
1694         return (inset_y + the_locking_inset->insetInInsetY());
1695 }
1696
1697
1698 void InsetText::toggleInsetCursor(BufferView * bv)
1699 {
1700         if (the_locking_inset) {
1701                 the_locking_inset->toggleInsetCursor(bv);
1702                 return;
1703         }
1704
1705         LyXFont const font(getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv)));
1706
1707         int const asc = lyxfont::maxAscent(font);
1708         int const desc = lyxfont::maxDescent(font);
1709
1710         if (isCursorVisible())
1711                 bv->hideLockedInsetCursor();
1712         else
1713                 bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1714         toggleCursorVisible();
1715 }
1716
1717
1718 void InsetText::showInsetCursor(BufferView * bv, bool show)
1719 {
1720         if (the_locking_inset) {
1721                 the_locking_inset->showInsetCursor(bv, show);
1722                 return;
1723         }
1724         if (!isCursorVisible()) {
1725                 LyXFont const font =
1726                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1727
1728                 int const asc = lyxfont::maxAscent(font);
1729                 int const desc = lyxfont::maxDescent(font);
1730
1731                 bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1732                 if (show)
1733                         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1734                 setCursorVisible(true);
1735         }
1736 }
1737
1738
1739 void InsetText::hideInsetCursor(BufferView * bv)
1740 {
1741         if (isCursorVisible()) {
1742                 bv->hideLockedInsetCursor();
1743                 setCursorVisible(false);
1744         }
1745         if (the_locking_inset)
1746                 the_locking_inset->hideInsetCursor(bv);
1747 }
1748
1749
1750 void InsetText::fitInsetCursor(BufferView * bv) const
1751 {
1752         if (the_locking_inset) {
1753                 the_locking_inset->fitInsetCursor(bv);
1754                 return;
1755         }
1756         LyXFont const font =
1757                 getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1758
1759         int const asc = lyxfont::maxAscent(font);
1760         int const desc = lyxfont::maxDescent(font);
1761
1762         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1763 }
1764
1765
1766 UpdatableInset::RESULT
1767 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1768 {
1769         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1770                 return moveLeftIntern(bv, false, activate_inset, selecting);
1771         else
1772                 return moveRightIntern(bv, false, activate_inset, selecting);
1773 }
1774
1775
1776 UpdatableInset::RESULT
1777 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1778 {
1779         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1780                 return moveRightIntern(bv, true, activate_inset, selecting);
1781         else
1782                 return moveLeftIntern(bv, true, activate_inset, selecting);
1783 }
1784
1785
1786 UpdatableInset::RESULT
1787 InsetText::moveRightIntern(BufferView * bv, bool behind,
1788                            bool activate_inset, bool selecting)
1789 {
1790         if (!cpar(bv)->next() && (cpos(bv) >= cpar(bv)->size()))
1791                 return FINISHED_RIGHT;
1792         if (activate_inset && checkAndActivateInset(bv, behind))
1793                 return DISPATCHED;
1794         getLyXText(bv)->cursorRight(bv);
1795         if (!selecting)
1796                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1797         return DISPATCHED_NOUPDATE;
1798 }
1799
1800
1801 UpdatableInset::RESULT
1802 InsetText::moveLeftIntern(BufferView * bv, bool behind,
1803                           bool activate_inset, bool selecting)
1804 {
1805         if (!cpar(bv)->previous() && (cpos(bv) <= 0))
1806                 return FINISHED;
1807         getLyXText(bv)->cursorLeft(bv);
1808         if (!selecting)
1809                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1810         if (activate_inset && checkAndActivateInset(bv, behind))
1811                 return DISPATCHED;
1812         return DISPATCHED_NOUPDATE;
1813 }
1814
1815
1816 UpdatableInset::RESULT
1817 InsetText::moveUp(BufferView * bv)
1818 {
1819         if (!crow(bv)->previous())
1820                 return FINISHED_UP;
1821         getLyXText(bv)->cursorUp(bv);
1822         return DISPATCHED_NOUPDATE;
1823 }
1824
1825
1826 UpdatableInset::RESULT
1827 InsetText::moveDown(BufferView * bv)
1828 {
1829         if (!crow(bv)->next())
1830                 return FINISHED_DOWN;
1831         getLyXText(bv)->cursorDown(bv);
1832         return DISPATCHED_NOUPDATE;
1833 }
1834
1835
1836 bool InsetText::insertInset(BufferView * bv, Inset * inset)
1837 {
1838         if (the_locking_inset) {
1839                 if (the_locking_inset->insetAllowed(inset))
1840                         return the_locking_inset->insertInset(bv, inset);
1841                 return false;
1842         }
1843         bool clear = false;
1844         if (!lt) {
1845                 lt = getLyXText(bv);
1846                 clear = true;
1847         }
1848         setUndo(bv, Undo::FINISH, lt->cursor.par(), lt->cursor.par()->next());
1849         freezeUndo();
1850         inset->setOwner(this);
1851         hideInsetCursor(bv);
1852         lt->insertInset(bv, inset);
1853         bv->fitCursor();
1854         if (clear)
1855                 lt = 0;
1856         updateLocal(bv, CURSOR_PAR|CURSOR, true);
1857         unFreezeUndo();
1858         return true;
1859 }
1860
1861
1862 bool InsetText::insetAllowed(Inset::Code code) const
1863 {
1864         // in_insetAllowed is a really gross hack,
1865         // to allow us to call the owner's insetAllowed
1866         // without stack overflow, which can happen
1867         // when the owner uses InsetCollapsable::insetAllowed()
1868         bool ret = true;
1869         if (in_insetAllowed)
1870                 return ret;
1871         in_insetAllowed = true;
1872         if (the_locking_inset)
1873                 ret = the_locking_inset->insetAllowed(code);
1874         else if (owner())
1875                 ret = owner()->insetAllowed(code);
1876         in_insetAllowed = false;
1877         return ret;
1878 }
1879
1880
1881 UpdatableInset * InsetText::getLockingInset() const
1882 {
1883         return the_locking_inset ? the_locking_inset->getLockingInset() :
1884                 const_cast<InsetText *>(this);
1885 }
1886
1887
1888 UpdatableInset * InsetText::getFirstLockingInsetOfType(Inset::Code c)
1889 {
1890         if (c == lyxCode())
1891                 return this;
1892         if (the_locking_inset)
1893                 return the_locking_inset->getFirstLockingInsetOfType(c);
1894         return 0;
1895 }
1896
1897
1898 bool InsetText::showInsetDialog(BufferView * bv) const
1899 {
1900         if (the_locking_inset)
1901                 return the_locking_inset->showInsetDialog(bv);
1902         return false;
1903 }
1904
1905
1906 vector<string> const InsetText::getLabelList() const
1907 {
1908         vector<string> label_list;
1909
1910         Paragraph * tpar = par;
1911         while (tpar) {
1912                 Paragraph::inset_iterator beg = tpar->inset_iterator_begin();
1913                 Paragraph::inset_iterator end = tpar->inset_iterator_end();
1914                 for (; beg != end; ++beg) {
1915                         vector<string> const l = (*beg)->getLabelList();
1916                         label_list.insert(label_list.end(), l.begin(), l.end());
1917                 }
1918                 tpar = tpar->next();
1919         }
1920         return label_list;
1921 }
1922
1923
1924 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
1925                         bool selectall)
1926 {
1927         if (the_locking_inset) {
1928                 the_locking_inset->setFont(bv, font, toggleall, selectall);
1929                 return;
1930         }
1931         if ((!par->next() && !par->size()) || !cpar(bv)->size()) {
1932                 getLyXText(bv)->setFont(bv, font, toggleall);
1933                 return;
1934         }
1935         bool clear = false;
1936         if (!lt) {
1937                 lt = getLyXText(bv);
1938                 clear = true;
1939         }
1940         if (lt->selection.set()) {
1941                 setUndo(bv, Undo::EDIT, lt->cursor.par(), lt->cursor.par()->next());
1942         }
1943         if (selectall)
1944                 selectAll(bv);
1945         lt->toggleFree(bv, font, toggleall);
1946         if (selectall)
1947                 lt->clearSelection();
1948         bv->fitCursor();
1949         bool flag = (selectall || lt->selection.set());
1950         if (clear)
1951                 lt = 0;
1952         if (flag)
1953                 updateLocal(bv, FULL, true);
1954         else
1955                 updateLocal(bv, CURSOR_PAR, true);
1956 }
1957
1958
1959 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1960 {
1961         if (cpar(bv)->isInset(cpos(bv))) {
1962                 unsigned int x;
1963                 unsigned int y;
1964                 Inset * inset =
1965                         static_cast<UpdatableInset*>(cpar(bv)->getInset(cpos(bv)));
1966                 if (!isHighlyEditableInset(inset))
1967                         return false;
1968                 LyXFont const font =
1969                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1970                 if (behind) {
1971                         x = inset->width(bv, font);
1972                         y = font.isRightToLeft() ? 0 : inset->descent(bv, font);
1973                 } else {
1974                         x = 0;
1975                         y = font.isRightToLeft() ? inset->descent(bv, font) : 0;
1976                 }
1977                 //inset_x = cx(bv) - top_x + drawTextXOffset;
1978                 //inset_y = cy(bv) + drawTextYOffset;
1979                 inset->edit(bv, x, y, 0);
1980                 if (!the_locking_inset)
1981                         return false;
1982                 updateLocal(bv, CURSOR, false);
1983                 return true;
1984         }
1985         return false;
1986 }
1987
1988
1989 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1990                                       int button)
1991 {
1992         x -= drawTextXOffset;
1993         int dummyx = x;
1994         int dummyy = y + insetAscent;
1995         Inset * inset = bv->checkInsetHit(getLyXText(bv), dummyx, dummyy);
1996
1997         if (inset) {
1998                 if (x < 0)
1999                         x = insetWidth;
2000                 if (y < 0)
2001                         y = insetDescent;
2002                 inset_x = cx(bv) - top_x + drawTextXOffset;
2003                 inset_y = cy(bv) + drawTextYOffset;
2004                 inset->edit(bv, x - inset_x, y - inset_y, button);
2005                 if (!the_locking_inset)
2006                         return false;
2007                 updateLocal(bv, CURSOR, false);
2008                 return true;
2009         }
2010         return false;
2011 }
2012
2013
2014 int InsetText::getMaxWidth(BufferView * bv, UpdatableInset const * inset) const
2015 {
2016 #if 0
2017         int w = UpdatableInset::getMaxWidth(bv, inset);
2018         if (w < 0) {
2019                 return -1;
2020         }
2021         if (owner()) {
2022                 w = w - top_x + owner()->x();
2023                 return w;
2024         }
2025         w -= (2 * TEXT_TO_INSET_OFFSET);
2026         return w - top_x;
2027 #else
2028         return UpdatableInset::getMaxWidth(bv, inset);
2029 #endif
2030 }
2031
2032
2033 void InsetText::setParagraphData(Paragraph * p, bool same_id)
2034 {
2035         // we have to unlock any locked inset otherwise we're in troubles
2036         the_locking_inset = 0;
2037         while (par) {
2038                 Paragraph * tmp = par->next();
2039                 delete par;
2040                 par = tmp;
2041         }
2042
2043         par = new Paragraph(*p, same_id);
2044         par->setInsetOwner(this);
2045         Paragraph * np = par;
2046         while (p->next()) {
2047                 p = p->next();
2048                 np->next(new Paragraph(*p, same_id));
2049                 np->next()->previous(np);
2050                 np = np->next();
2051                 np->setInsetOwner(this);
2052         }
2053         reinitLyXText();
2054         need_update = INIT;
2055 }
2056
2057
2058 void InsetText::setText(string const & data)
2059 {
2060         clear();
2061         LyXFont font(LyXFont::ALL_SANE);
2062         for (unsigned int i=0; i < data.length(); ++i)
2063                 par->insertChar(i, data[i], font);
2064 }
2065
2066
2067 void InsetText::setAutoBreakRows(bool flag)
2068 {
2069         if (flag != autoBreakRows) {
2070                 autoBreakRows = flag;
2071                 if (!flag)
2072                         removeNewlines();
2073                 need_update = INIT;
2074         }
2075 }
2076
2077
2078 void InsetText::setDrawFrame(BufferView * bv, DrawFrame how)
2079 {
2080         if (how != drawFrame_) {
2081                 drawFrame_ = how;
2082                 if (bv)
2083                         updateLocal(bv, DRAW_FRAME, false);
2084         }
2085 }
2086
2087
2088 void InsetText::setFrameColor(BufferView * bv, LColor::color col)
2089 {
2090         if (frame_color != col) {
2091                 frame_color = col;
2092                 if (bv)
2093                         updateLocal(bv, DRAW_FRAME, false);
2094         }
2095 }
2096
2097
2098 int InsetText::cx(BufferView * bv) const
2099 {
2100         // we do nothing dangerous so we use a local cache
2101         LyXText * llt = getLyXText(bv);
2102         int x = llt->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
2103         if (the_locking_inset) {
2104                 LyXFont font = llt->getFont(bv->buffer(), llt->cursor.par(),
2105                                             llt->cursor.pos());
2106                 if (font.isVisibleRightToLeft())
2107                         x -= the_locking_inset->width(bv, font);
2108         }
2109         return x;
2110 }
2111
2112
2113 int InsetText::cy(BufferView * bv) const
2114 {
2115         LyXFont font;
2116         return getLyXText(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
2117 }
2118
2119
2120 pos_type InsetText::cpos(BufferView * bv) const
2121 {
2122         return getLyXText(bv)->cursor.pos();
2123 }
2124
2125
2126 Paragraph * InsetText::cpar(BufferView * bv) const
2127 {
2128         return getLyXText(bv)->cursor.par();
2129 }
2130
2131
2132 bool InsetText::cboundary(BufferView * bv) const
2133 {
2134         return getLyXText(bv)->cursor.boundary();
2135 }
2136
2137
2138 Row * InsetText::crow(BufferView * bv) const
2139 {
2140         return getLyXText(bv)->cursor.row();
2141 }
2142
2143
2144 LyXText * InsetText::getLyXText(BufferView const * lbv,
2145                                 bool const recursive) const
2146 {
2147         if (cached_bview == lbv) {
2148                 if (recursive && the_locking_inset)
2149                         return the_locking_inset->getLyXText(lbv, true);
2150                 LyXText * lt = cached_text.get();
2151                 lyx::Assert(lt && lt->firstRow()->par() == par);
2152                 return lt;
2153         }
2154         // Super UGLY! (Lgb)
2155         BufferView * bv = const_cast<BufferView *>(lbv);
2156
2157         cached_bview = bv;
2158         Cache::iterator it = cache.find(bv);
2159
2160         if (it != cache.end()) {
2161                 if (do_reinit) {
2162                         reinitLyXText();
2163                 } else if (do_resize) {
2164                         resizeLyXText(do_resize);
2165                 } else {
2166                         if (lt || !it->second.remove) {
2167                                 lyx::Assert(it->second.text.get());
2168                                 cached_text = it->second.text;
2169                                 if (recursive && the_locking_inset) {
2170                                         return the_locking_inset->getLyXText(bv, true);
2171                                 }
2172                                 return cached_text.get();
2173                         } else if (it->second.remove) {
2174                                 if (locked) {
2175                                         saveLyXTextState(it->second.text.get());
2176                                 } else {
2177                                         sstate.lpar = 0;
2178                                 }
2179                         }
2180                         //
2181                         // when we have to reinit the existing LyXText!
2182                         //
2183                         it->second.text->init(bv);
2184                         restoreLyXTextState(bv, it->second.text.get());
2185                         it->second.remove = false;
2186                 }
2187                 cached_text = it->second.text;
2188                 if (the_locking_inset && recursive) {
2189                         return the_locking_inset->getLyXText(bv);
2190                 }
2191                 return cached_text.get();
2192         }
2193         ///
2194         // we are here only if we don't have a BufferView * in the cache!!!
2195         ///
2196         cached_text.reset(new LyXText(const_cast<InsetText *>(this)));
2197         cached_text->init(bv);
2198         restoreLyXTextState(bv, cached_text.get());
2199
2200         cache.insert(make_pair(bv, cached_text));
2201
2202         if (the_locking_inset && recursive) {
2203                 return the_locking_inset->getLyXText(bv);
2204         }
2205         return cached_text.get();
2206 }
2207
2208
2209 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
2210 {
2211         cached_bview = 0;
2212
2213         Cache::iterator it = cache.find(bv);
2214
2215         if (it == cache.end()) {
2216                 return;
2217         }
2218
2219         lyx::Assert(it->second.text.get());
2220
2221         it->second.remove = true;
2222         if (recursive) {
2223                 /// then remove all LyXText in text-insets
2224                 Paragraph * p = par;
2225                 for (; p; p = p->next()) {
2226                         p->deleteInsetsLyXText(bv);
2227                 }
2228         }
2229 }
2230
2231
2232 void InsetText::resizeLyXText(BufferView * bv, bool force) const
2233 {
2234         if (lt) {
2235                 // we cannot resize this because we are in use!
2236                 // so do this on the next possible getLyXText()
2237                 do_resize = bv;
2238                 return;
2239         }
2240         do_resize = 0;
2241 //      lyxerr << "InsetText::resizeLyXText\n";
2242         if (!par->next() && !par->size()) { // no data, resize not neccessary!
2243                 // we have to do this as a fixed width may have changed!
2244                 LyXText * t = getLyXText(bv);
2245                 saveLyXTextState(t);
2246                 t->init(bv, true);
2247                 restoreLyXTextState(bv, t);
2248                 return;
2249         }
2250         // one endless line, resize normally not necessary
2251         if (!force && getMaxWidth(bv, this) < 0)
2252                 return;
2253
2254         Cache::iterator it = cache.find(bv);
2255         if (it == cache.end()) {
2256                 return;
2257         }
2258         lyx::Assert(it->second.text.get());
2259
2260         LyXText * t = it->second.text.get();
2261         saveLyXTextState(t);
2262         for (Paragraph * p = par; p; p = p->next()) {
2263                 p->resizeInsetsLyXText(bv);
2264         }
2265         t->init(bv, true);
2266         restoreLyXTextState(bv, t);
2267         if (the_locking_inset) {
2268                 inset_x = cx(bv) - top_x + drawTextXOffset;
2269                 inset_y = cy(bv) + drawTextYOffset;
2270         }
2271
2272         if (bv->screen()) {
2273                 t->first_y = bv->screen()->topCursorVisible(t);
2274         }
2275         if (!owner()) {
2276                 updateLocal(bv, FULL, false);
2277                 // this will scroll the screen such that the cursor becomes visible
2278                 bv->updateScrollbar();
2279         } else {
2280                 need_update |= FULL;
2281         }
2282 }
2283
2284
2285 void InsetText::reinitLyXText() const
2286 {
2287         if (lt) {
2288                 // we cannot resize this because we are in use!
2289                 // so do this on the next possible getLyXText()
2290                 do_reinit = true;
2291                 return;
2292         }
2293         do_reinit = false;
2294         do_resize = 0;
2295 //      lyxerr << "InsetText::reinitLyXText\n";
2296         for(Cache::iterator it = cache.begin(); it != cache.end(); ++it) {
2297                 lyx::Assert(it->second.text.get());
2298
2299                 LyXText * t = it->second.text.get();
2300                 BufferView * bv = it->first;
2301
2302                 saveLyXTextState(t);
2303                 for (Paragraph * p = par; p; p = p->next()) {
2304                         p->resizeInsetsLyXText(bv);
2305                 }
2306                 t->init(bv, true);
2307                 restoreLyXTextState(bv, t);
2308                 if (the_locking_inset) {
2309                         inset_x = cx(bv) - top_x + drawTextXOffset;
2310                         inset_y = cy(bv) + drawTextYOffset;
2311                 }
2312                 if (bv->screen()) {
2313                         t->first_y = bv->screen()->topCursorVisible(t);
2314                 }
2315                 if (!owner()) {
2316                         updateLocal(bv, FULL, false);
2317                         // this will scroll the screen such that the cursor becomes visible
2318                         bv->updateScrollbar();
2319                 } else {
2320                         need_update = FULL;
2321                 }
2322         }
2323 }
2324
2325
2326 void InsetText::removeNewlines()
2327 {
2328         bool changed = false;
2329
2330         for (Paragraph * p = par; p; p = p->next()) {
2331                 for (int i = 0; i < p->size(); ++i) {
2332                         if (p->getChar(i) == Paragraph::META_NEWLINE) {
2333                                 changed = true;
2334                                 p->erase(i);
2335                         }
2336                 }
2337         }
2338         if (changed)
2339                 reinitLyXText();
2340 }
2341
2342
2343 bool InsetText::nodraw() const
2344 {
2345         if (the_locking_inset)
2346                 return the_locking_inset->nodraw();
2347         return UpdatableInset::nodraw();
2348 }
2349
2350
2351 int InsetText::scroll(bool recursive) const
2352 {
2353         int sx = UpdatableInset::scroll(false);
2354
2355         if (recursive && the_locking_inset)
2356                 sx += the_locking_inset->scroll(recursive);
2357
2358         return sx;
2359 }
2360
2361
2362 bool InsetText::doClearArea() const
2363 {
2364         return !locked || (need_update & (FULL|INIT));
2365 }
2366
2367
2368 void InsetText::selectAll(BufferView * bv)
2369 {
2370         getLyXText(bv)->cursorTop(bv);
2371         getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
2372         getLyXText(bv)->cursorBottom(bv);
2373         getLyXText(bv)->setSelection(bv);
2374 }
2375
2376
2377 void InsetText::clearSelection(BufferView * bv)
2378 {
2379         getLyXText(bv)->clearSelection();
2380 }
2381
2382
2383 void InsetText::clearInset(BufferView * bv, int baseline, bool & cleared) const
2384 {
2385         Painter & pain = bv->painter();
2386         int w = insetWidth;
2387         int h = insetAscent + insetDescent;
2388         int ty = baseline - insetAscent;
2389
2390         if (ty < 0) {
2391                 h += ty;
2392                 ty = 0;
2393         }
2394         if ((ty + h) > pain.paperHeight())
2395                 h = pain.paperHeight();
2396         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
2397                 w = pain.paperWidth();
2398 //      w -= TEXT_TO_INSET_OFFSET;
2399         pain.fillRectangle(top_x, ty, w+1, h+1, backgroundColor());
2400         cleared = true;
2401         need_update = FULL;
2402         frame_is_visible = false;
2403 }
2404
2405
2406 Paragraph * InsetText::getParFromID(int id) const
2407 {
2408 #if 0
2409         Paragraph * result = par;
2410         Paragraph * ires = 0;
2411         while (result && result->id() != id) {
2412                 if ((ires = result->getParFromID(id)))
2413                         return ires;
2414                 result = result->next();
2415         }
2416         return result;
2417 #else
2418         Paragraph * tmp = par;
2419         while (tmp) {
2420                 if (tmp->id() == id) {
2421                         return tmp;
2422                 }
2423                 Paragraph * tmp2 = tmp->getParFromID(id);
2424                 if (tmp2 != 0) {
2425                         return tmp2;
2426                 }
2427                 tmp = tmp->next();
2428         }
2429         return 0;
2430 #endif
2431 }
2432
2433
2434 Paragraph * InsetText::firstParagraph() const
2435 {
2436         Paragraph * result;
2437         if (the_locking_inset)
2438                 if ((result = the_locking_inset->firstParagraph()))
2439                         return result;
2440         return par;
2441 }
2442
2443
2444 Paragraph * InsetText::getFirstParagraph(int i) const
2445 {
2446         return (i == 0) ? par : 0;
2447 }
2448
2449
2450 LyXCursor const & InsetText::cursor(BufferView * bv) const
2451 {
2452                 if (the_locking_inset)
2453                                 return the_locking_inset->cursor(bv);
2454                 return getLyXText(bv)->cursor;
2455 }
2456
2457
2458 Paragraph * InsetText::paragraph() const
2459 {
2460         return par;
2461 }
2462
2463
2464 void InsetText::paragraph(Paragraph * p)
2465 {
2466         // GENERAL COMMENT: We don't have to free the old paragraphs as the
2467         // caller of this function has to take care of it. This IS important
2468         // as we could have to insert a paragraph before this one and just
2469         // link the actual to a new ones next and set it with this function
2470         // and are done!
2471         par = p;
2472         // set ourself as owner for all the paragraphs inserted!
2473         Paragraph * np = par;
2474         while (np) {
2475                 np->setInsetOwner(this);
2476                 np = np->next();
2477         }
2478         reinitLyXText();
2479         // redraw myself when asked for
2480         need_update = INIT;
2481 }
2482
2483
2484 Inset * InsetText::getInsetFromID(int id_arg) const
2485 {
2486         if (id_arg == id())
2487                 return const_cast<InsetText *>(this);
2488
2489         Paragraph * lp = par;
2490
2491         while (lp) {
2492                 for (Paragraph::inset_iterator it = lp->inset_iterator_begin(),
2493                          en = lp->inset_iterator_end();
2494                          it != en; ++it)
2495                 {
2496                         if ((*it)->id() == id_arg)
2497                                 return *it;
2498                         Inset * in = (*it)->getInsetFromID(id_arg);
2499                         if (in)
2500                                 return in;
2501                 }
2502                 lp = lp->next();
2503         }
2504         return 0;
2505 }
2506
2507
2508 string const InsetText::selectNextWordToSpellcheck(BufferView * bv, float & value) const
2509 {
2510         bool clear = false;
2511         string str;
2512
2513         if (!lt) {
2514                 lt = getLyXText(bv);
2515                 clear = true;
2516         }
2517         if (the_locking_inset) {
2518                 str = the_locking_inset->selectNextWordToSpellcheck(bv, value);
2519                 if (!str.empty()) {
2520                         value += cy(bv);
2521                         if (clear)
2522                                 lt = 0;
2523                         return str;
2524                 }
2525                 // we have to go on checking so move cusor to the next char
2526                 lt->cursor.pos(lt->cursor.pos() + 1);
2527         }
2528         str = lt->selectNextWordToSpellcheck(bv, value);
2529         if (str.empty())
2530                 bv->unlockInset(const_cast<InsetText *>(this));
2531         else
2532                 value = cy(bv);
2533         if (clear)
2534                 lt = 0;
2535         return str;
2536 }
2537
2538
2539 void InsetText::selectSelectedWord(BufferView * bv)
2540 {
2541         if (the_locking_inset) {
2542                 the_locking_inset->selectSelectedWord(bv);
2543                 return;
2544         }
2545         getLyXText(bv)->selectSelectedWord(bv);
2546         updateLocal(bv, SELECTION, false);
2547 }
2548
2549
2550 void InsetText::toggleSelection(BufferView * bv, bool kill_selection)
2551 {
2552         if (the_locking_inset) {
2553                 the_locking_inset->toggleSelection(bv, kill_selection);
2554         }
2555         bool clear = false;
2556         if (!lt) {
2557                 lt = getLyXText(bv);
2558                 clear = true;
2559         }
2560
2561         int x = top_x + TEXT_TO_INSET_OFFSET;
2562
2563         Row * row = lt->firstRow();
2564         int y_offset = top_baseline - row->ascent_of_text();
2565         int y = y_offset;
2566         while ((row != 0) && ((y+row->height()) <= 0)) {
2567                 y += row->height();
2568                 row = row->next();
2569         }
2570         if (y_offset < 0)
2571                 y_offset = y;
2572
2573         if (need_update & SELECTION)
2574                 need_update = NONE;
2575         bv->screen()->toggleSelection(lt, bv, kill_selection, y_offset, x);
2576         if (clear)
2577                 lt = 0;
2578 }
2579
2580
2581 bool InsetText::searchForward(BufferView * bv, string const & str,
2582                               bool cs, bool mw)
2583 {
2584         if (the_locking_inset) {
2585                 if (the_locking_inset->searchForward(bv, str, cs, mw))
2586                         return true;
2587                 bool clear = false;
2588                 if (!lt) {
2589                         lt = getLyXText(bv);
2590                         clear = true;
2591                 }
2592                 Paragraph * lpar = lt->cursor.par();
2593                 pos_type pos = lt->cursor.pos();
2594                 if (pos < lpar->size() - 1)
2595                         ++pos;
2596                 else {
2597                         pos = 0;
2598                         lpar = lpar->next();
2599                 }
2600                 if (!lpar) {
2601                         if (clear)
2602                                 lt = 0;
2603                         // we have to unlock ourself in this function by default!
2604                         bv->unlockInset(const_cast<InsetText *>(this));
2605                         return false;
2606                 }
2607                 lt->setCursor(bv, lpar, pos);
2608                 if (clear)
2609                         lt = 0;
2610         }
2611         if (LyXFind(bv, str, true, true, cs , mw)) {
2612                 return true;
2613         }
2614         // we have to unlock ourself in this function by default!
2615         bv->unlockInset(const_cast<InsetText *>(this));
2616         return false;
2617 }
2618
2619 bool InsetText::searchBackward(BufferView * bv, string const & str,
2620                                bool cs, bool mw)
2621 {
2622         if (the_locking_inset)
2623                 if (the_locking_inset->searchBackward(bv, str, cs, mw))
2624                         return true;
2625         if (LyXFind(bv, str, false, true, cs, mw)) {
2626                 return true;
2627         }
2628         // we have to unlock ourself in this function by default!
2629         bv->unlockInset(const_cast<InsetText *>(this));
2630         return false;
2631 }
2632
2633
2634 bool InsetText::checkInsertChar(LyXFont & font)
2635 {
2636         if (owner())
2637                 return owner()->checkInsertChar(font);
2638         return true;
2639 }
2640
2641
2642 void InsetText::collapseParagraphs(BufferParams const & bparams) const
2643 {
2644         while(par->next()) {
2645                 if (!par->isSeparator(par->size()-1))
2646                         par->insertChar(par->size()-1, ' ');
2647                 par->pasteParagraph(bparams);
2648         }
2649         reinitLyXText();
2650 }
2651
2652
2653 void InsetText::getDrawFont(LyXFont & font) const
2654 {
2655         if (!owner())
2656                 return;
2657         owner()->getDrawFont(font);
2658 }