src/insets/insettext.C

   1 /**
   2  * \file insettext.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Jürgen Vigna
   7  *
   8  * Full author contact details are available in file CREDITS
   9  */
  10
  11 #include <config.h>
  12
  13 #include "insettext.h"
  14
  15 #include "buffer.h"
  16 #include "BufferView.h"
  17 #include "bufferview_funcs.h"
  18 #include "CutAndPaste.h"
  19 #include "debug.h"
  20 #include "dimension.h"
  21 #include "funcrequest.h"
  22 #include "gettext.h"
  23 #include "errorlist.h"
  24 #include "intl.h"
  25 #include "LaTeXFeatures.h"
  26 #include "LColor.h"
  27 #include "Lsstream.h"
  28 #include "lyxfont.h"
  29 #include "lyxcursor.h"
  30 #include "lyxfind.h"
  31 #include "lyxlex.h"
  32 #include "lyxrow.h"
  33 #include "lyxrc.h"
  34 #include "lyxtext.h"
  35 #include "paragraph.h"
  36 #include "ParagraphParameters.h"
  37 #include "trans_mgr.h"
  38 #include "undo_funcs.h"
  39 #include "WordLangTuple.h"
  40 #include "paragraph_funcs.h"
  41 #include "sgml.h"
  42 #include "rowpainter.h"
  43 #include "insetnewline.h"
  44 #include "metricsinfo.h"
  45
  46 #include "frontends/Alert.h"
  47 #include "frontends/Dialogs.h"
  48 #include "frontends/font_metrics.h"
  49 #include "frontends/LyXView.h"
  50 #include "frontends/Painter.h"
  51 #include "frontends/screen.h"
  52
  53 #include "support/textutils.h"
  54 #include "support/LAssert.h"
  55 #include "support/lstrings.h"
  56 #include "support/lyxalgo.h" // lyx::count
  57
  58 #include <boost/bind.hpp>
  59
  60 #include <fstream>
  61 #include <algorithm>
  62 #include <cstdlib>
  63
  64 using std::ostream;
  65 using std::ifstream;
  66 using std::endl;
  67 using std::min;
  68 using std::max;
  69 using std::make_pair;
  70 using std::vector;
  71 using std::pair;
  72 using std::for_each;
  73 using std::auto_ptr;
  74
  75 using namespace lyx::support;
  76 using namespace lyx::graphics;
  77 using namespace bv_funcs;
  78
  79 using lyx::pos_type;
  80 using lyx::textclass_type;
  81
  82
  83 // we should get rid of these (Andre')
  84
  85 void InsetText::saveLyXTextState() const
  86 {
  87         // check if my paragraphs are still valid
  88         ParagraphList::iterator it = const_cast<ParagraphList&>(paragraphs).begin();
  89         ParagraphList::iterator end = const_cast<ParagraphList&>(paragraphs).end();
  90         for (; it != end; ++it)
  91                 if (it == text_.cursor.par())
  92                         break;
  93
  94         if (it != end && text_.cursor.pos() <= it->size())
  95                 sstate = text_; // slicing intended
  96         else
  97                 sstate.cursor.par(end);
  98 }
  99
 100
 101 void InsetText::restoreLyXTextState() const
 102 {
 103         if (sstate.cursor.par() == const_cast<ParagraphList&>(paragraphs).end())
 104                 return;
 105
 106         text_.selection.set(true);
 107         // at this point just to avoid the DEPM when setting the cursor
 108         text_.selection.mark(sstate.selection.mark());
 109         if (sstate.selection.set()) {
 110                 text_.setCursor(sstate.selection.start.par(),
 111                         sstate.selection.start.pos(),
 112                         true, sstate.selection.start.boundary());
 113                 text_.selection.cursor = text_.cursor;
 114                 text_.setCursor(sstate.selection.end.par(), sstate.selection.end.pos(),
 115                         true, sstate.selection.end.boundary());
 116                 text_.setSelection();
 117                 text_.setCursor(sstate.cursor.par(), sstate.cursor.pos());
 118         } else {
 119                 text_.setCursor(sstate.cursor.par(), sstate.cursor.pos(),
 120                         true, sstate.cursor.boundary());
 121                 text_.selection.cursor = text_.cursor;
 122                 text_.selection.set(false);
 123         }
 124 }
 125
 126
 127 InsetText::InsetText(BufferParams const & bp)
 128         : UpdatableInset(), text_(0, this)
 129 {
 130         paragraphs.push_back(Paragraph());
 131         paragraphs.begin()->layout(bp.getLyXTextClass().defaultLayout());
 132         if (bp.tracking_changes)
 133                 paragraphs.begin()->trackChanges();
 134         init(0);
 135 }
 136
 137
 138 InsetText::InsetText(InsetText const & in)
 139         : UpdatableInset(in), text_(0, this)
 140 {
 141         init(&in);
 142 }
 143
 144
 145 InsetText & InsetText::operator=(InsetText const & it)
 146 {
 147         init(&it);
 148         return *this;
 149 }
 150
 151
 152 void InsetText::init(InsetText const * ins)
 153 {
 154         if (ins) {
 155                 textwidth_ = ins->textwidth_;
 156                 text_.bv_owner = ins->text_.bv_owner;
 157
 158                 paragraphs = ins->paragraphs;
 159
 160                 ParagraphList::iterator pit = paragraphs.begin();
 161                 ParagraphList::iterator end = paragraphs.end();
 162                 for (; pit != end; ++pit)
 163                         pit->setInsetOwner(this);
 164
 165                 reinitLyXText();
 166
 167                 autoBreakRows = ins->autoBreakRows;
 168                 drawFrame_ = ins->drawFrame_;
 169                 frame_color = ins->frame_color;
 170         } else {
 171                 textwidth_ = 0; // broken
 172                 drawFrame_ = NEVER;
 173                 frame_color = LColor::insetframe;
 174                 autoBreakRows = false;
 175         }
 176         the_locking_inset = 0;
 177         for_each(paragraphs.begin(), paragraphs.end(),
 178                  boost::bind(&Paragraph::setInsetOwner, _1, this));
 179         top_y = 0;
 180         no_selection = true;
 181         drawTextXOffset = 0;
 182         drawTextYOffset = 0;
 183         locked = false;
 184         old_par = paragraphs.end();
 185         sstate.cursor.par(paragraphs.end());
 186         in_insetAllowed = false;
 187 }
 188
 189
 190 void InsetText::clear(bool just_mark_erased)
 191 {
 192         if (just_mark_erased) {
 193                 ParagraphList::iterator it = paragraphs.begin();
 194                 ParagraphList::iterator end = paragraphs.end();
 195                 for (; it != end; ++it) {
 196                         it->markErased();
 197                 }
 198                 return;
 199         }
 200
 201         // This is a gross hack...
 202         LyXLayout_ptr old_layout = paragraphs.begin()->layout();
 203
 204         paragraphs.clear();
 205         paragraphs.push_back(Paragraph());
 206         paragraphs.begin()->setInsetOwner(this);
 207         paragraphs.begin()->layout(old_layout);
 208
 209         reinitLyXText();
 210 }
 211
 212
 213 auto_ptr<InsetBase> InsetText::clone() const
 214 {
 215         return auto_ptr<InsetBase>(new InsetText(*this));
 216 }
 217
 218
 219 void InsetText::write(Buffer const * buf, ostream & os) const
 220 {
 221         os << "Text\n";
 222         writeParagraphData(buf, os);
 223 }
 224
 225
 226 void InsetText::writeParagraphData(Buffer const * buf, ostream & os) const
 227 {
 228         ParagraphList::const_iterator it = paragraphs.begin();
 229         ParagraphList::const_iterator end = paragraphs.end();
 230         Paragraph::depth_type dth = 0;
 231         for (; it != end; ++it) {
 232                 it->write(buf, os, buf->params, dth);
 233         }
 234 }
 235
 236
 237 void InsetText::read(Buffer const * buf, LyXLex & lex)
 238 {
 239         string token;
 240         Paragraph::depth_type depth = 0;
 241
 242         clear(false);
 243
 244         if (buf->params.tracking_changes)
 245                 paragraphs.begin()->trackChanges();
 246
 247         // delete the initial paragraph
 248         paragraphs.clear();
 249         ParagraphList::iterator pit = paragraphs.begin();
 250
 251         while (lex.isOK()) {
 252                 lex.nextToken();
 253                 token = lex.getString();
 254                 if (token.empty())
 255                         continue;
 256                 if (token == "\\end_inset") {
 257                         break;
 258                 }
 259
 260                 if (token == "\\end_document") {
 261                         lex.printError("\\end_document read in inset! Error in document!");
 262                         return;
 263                 }
 264
 265                 // FIXME: ugly.
 266                 const_cast<Buffer*>(buf)->readParagraph(lex, token, paragraphs, pit, depth);
 267         }
 268
 269         pit = paragraphs.begin();
 270         ParagraphList::iterator const end = paragraphs.end();
 271         for (; pit != end; ++pit)
 272                 pit->setInsetOwner(this);
 273
 274         if (token != "\\end_inset") {
 275                 lex.printError("Missing \\end_inset at this point. "
 276                                            "Read: `$$Token'");
 277         }
 278 }
 279
 280
 281 void InsetText::metrics(MetricsInfo & mi, Dimension & dim) const
 282 {
 283         //lyxerr << "InsetText::metrics: width: " << mi.base.textwidth << endl;
 284
 285         textwidth_ = mi.base.textwidth;
 286         BufferView * bv = mi.base.bv;
 287         setViewCache(bv);
 288         text_.metrics(mi, dim);
 289         dim.asc += TEXT_TO_INSET_OFFSET;
 290         dim.des += TEXT_TO_INSET_OFFSET;
 291         dim.wid += 2 * TEXT_TO_INSET_OFFSET;
 292         dim.wid = max(dim.wid, 10);
 293         dim_ = dim;
 294 }
 295
 296
 297 int InsetText::textWidth() const
 298 {
 299         return textwidth_;
 300 }
 301
 302
 303 void InsetText::draw(PainterInfo & pi, int x, int baseline) const
 304 {
 305         // update our idea of where we are. Clearly, we should
 306         // not have to know this information.
 307         top_x = x;
 308
 309         int const start_x = x;
 310
 311         BufferView * bv = pi.base.bv;
 312         Painter & pain = pi.pain;
 313
 314         // repaint the background if needed
 315         if (backgroundColor() != LColor::background)
 316                 clearInset(bv, start_x + TEXT_TO_INSET_OFFSET, baseline);
 317
 318         // no draw is necessary !!!
 319         if (drawFrame_ == LOCKED && !locked && paragraphs.begin()->empty()) {
 320                 top_baseline = baseline;
 321                 return;
 322         }
 323
 324         bv->hideCursor();
 325
 326         if (!owner())
 327                 x += scroll();
 328
 329         top_baseline = baseline;
 330         top_y = baseline - dim_.asc;
 331
 332         if (the_locking_inset && cpar() == inset_par && cpos() == inset_pos) {
 333                 inset_x = cix() - x + drawTextXOffset;
 334                 inset_y = ciy() + drawTextYOffset;
 335         }
 336
 337         x += TEXT_TO_INSET_OFFSET;
 338
 339         RowList::iterator rit = text_.rows().begin();
 340         RowList::iterator end = text_.rows().end();
 341
 342         int y_offset = baseline - rit->ascent_of_text();
 343         int y2 = pain.paperHeight();
 344         int first = 0;
 345         int y = y_offset;
 346         while (rit != end && y + rit->height() <= 0) {
 347                 y += rit->height();
 348                 first += rit->height();
 349                 ++rit;
 350         }
 351         if (y_offset < 0) {
 352                 text_.top_y(-y_offset);
 353                 first = y;
 354                 y_offset = 0;
 355         } else {
 356                 text_.top_y(first);
 357                 first = 0;
 358         }
 359
 360         int yo = y_offset + first;
 361
 362         paintRows(*bv, text_, rit, x, 0, yo, y2, yo);
 363
 364         if (drawFrame_ == ALWAYS || (drawFrame_ == LOCKED && locked))
 365                 drawFrame(pain, int(start_x));
 366 }
 367
 368
 369 void InsetText::drawFrame(Painter & pain, int x) const
 370 {
 371         int const ttoD2 = TEXT_TO_INSET_OFFSET / 2;
 372         int const frame_x = x + ttoD2;
 373         int const frame_y = top_baseline - dim_.asc + ttoD2;
 374         int const frame_w = dim_.wid - TEXT_TO_INSET_OFFSET;
 375         int const frame_h = dim_.asc + dim_.des - TEXT_TO_INSET_OFFSET;
 376         pain.rectangle(frame_x, frame_y, frame_w, frame_h, frame_color);
 377 }
 378
 379
 380 void InsetText::updateLocal(BufferView * bv, bool /*mark_dirty*/)
 381 {
 382         if (!bv)
 383                 return;
 384
 385         if (!autoBreakRows && paragraphs.size() > 1)
 386                 collapseParagraphs(bv);
 387
 388         text_.partialRebreak();
 389         if (!text_.selection.set())
 390                 text_.selection.cursor = text_.cursor;
 391
 392         bv->fitCursor();
 393         bv->updateInset();
 394         bv->owner()->view_state_changed();
 395         bv->owner()->updateMenubar();
 396         bv->owner()->updateToolbar();
 397         if (old_par != cpar()) {
 398                 bv->owner()->setLayout(cpar()->layout()->name());
 399                 old_par = cpar();
 400         }
 401 }
 402
 403
 404 string const InsetText::editMessage() const
 405 {
 406         return _("Opened Text Inset");
 407 }
 408
 409
 410 void InsetText::insetUnlock(BufferView * bv)
 411 {
 412         if (the_locking_inset) {
 413                 the_locking_inset->insetUnlock(bv);
 414                 the_locking_inset = 0;
 415                 updateLocal(bv, false);
 416         }
 417         no_selection = true;
 418         locked = false;
 419
 420         if (text_.selection.set()) {
 421                 text_.clearSelection();
 422         } else if (owner()) {
 423                 bv->owner()->setLayout(owner()->getLyXText(bv)
 424                                        ->cursor.par()->layout()->name());
 425         } else
 426                 bv->owner()->setLayout(bv->text->cursor.par()->layout()->name());
 427         // hack for deleteEmptyParMech
 428         ParagraphList::iterator first_par = paragraphs.begin();
 429         if (!first_par->empty()) {
 430                 text_.setCursor(first_par, 0);
 431         } else if (paragraphs.size() > 1) {
 432                 text_.setCursor(boost::next(first_par), 0);
 433         }
 434 }
 435
 436
 437 void InsetText::lockInset(BufferView * bv)
 438 {
 439         locked = true;
 440         the_locking_inset = 0;
 441         inset_pos = inset_x = inset_y = 0;
 442         inset_boundary = false;
 443         inset_par = paragraphs.end();
 444         old_par = paragraphs.end();
 445         text_.setCursorIntern(paragraphs.begin(), 0);
 446         text_.clearSelection();
 447         finishUndo();
 448         // If the inset is empty set the language of the current font to the
 449         // language to the surronding text (if different).
 450         if (paragraphs.begin()->empty() && paragraphs.size() == 1 &&
 451                 bv->getParentLanguage(this) != text_.current_font.language()) {
 452                 LyXFont font(LyXFont::ALL_IGNORE);
 453                 font.setLanguage(bv->getParentLanguage(this));
 454                 setFont(bv, font, false);
 455         }
 456 }
 457
 458
 459 void InsetText::lockInset(BufferView * /*bv*/, UpdatableInset * inset)
 460 {
 461         the_locking_inset = inset;
 462         inset_x = cix() - top_x + drawTextXOffset;
 463         inset_y = ciy() + drawTextYOffset;
 464         inset_pos = cpos();
 465         inset_par = cpar();
 466         inset_boundary = cboundary();
 467 }
 468
 469
 470 bool InsetText::lockInsetInInset(BufferView * bv, UpdatableInset * inset)
 471 {
 472         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 473                               << inset << "): " << endl;
 474         if (!inset)
 475                 return false;
 476         if (!the_locking_inset) {
 477                 ParagraphList::iterator pit = paragraphs.begin();
 478                 ParagraphList::iterator pend = paragraphs.end();
 479
 480                 int const id = inset->id();
 481                 for (; pit != pend; ++pit) {
 482                         InsetList::iterator it = pit->insetlist.begin();
 483                         InsetList::iterator const end = pit->insetlist.end();
 484                         for (; it != end; ++it) {
 485                                 if (it->inset == inset) {
 486                                         lyxerr << "InsetText::lockInsetInInset: 1 a" << endl;
 487                                         text_.setCursorIntern(pit, it->pos);
 488                                         lyxerr << "InsetText::lockInsetInInset: 1 b" << endl;
 489                                         lyxerr << "bv: " << bv << " inset: " << inset << endl;
 490                                         lockInset(bv, inset);
 491                                         lyxerr << "InsetText::lockInsetInInset: 1 c" << endl;
 492                                         return true;
 493                                 }
 494                                 if (it->inset->getInsetFromID(id)) {
 495                                         lyxerr << "InsetText::lockInsetInInset: 2" << endl;
 496                                         text_.setCursorIntern(pit, it->pos);
 497                                         it->inset->localDispatch(FuncRequest(bv, LFUN_INSET_EDIT));
 498                                         return the_locking_inset->lockInsetInInset(bv, inset);
 499                                 }
 500                         }
 501                 }
 502                 lyxerr << "InsetText::lockInsetInInset: 3" << endl;
 503                 return false;
 504         }
 505         if (inset == cpar()->getInset(cpos())) {
 506                 lyxerr[Debug::INSETS] << "OK" << endl;
 507                 lockInset(bv, inset);
 508                 return true;
 509         }
 510
 511         if (the_locking_inset && the_locking_inset == inset) {
 512                 if (cpar() == inset_par && cpos() == inset_pos) {
 513                         lyxerr[Debug::INSETS] << "OK" << endl;
 514                         inset_x = cix() - top_x + drawTextXOffset;
 515                         inset_y = ciy() + drawTextYOffset;
 516                 } else {
 517                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 518                 }
 519         } else if (the_locking_inset) {
 520                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 521                 return the_locking_inset->lockInsetInInset(bv, inset);
 522         }
 523         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 524         return false;
 525 }
 526
 527
 528 bool InsetText::unlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 529                                    bool lr)
 530 {
 531         if (!the_locking_inset)
 532                 return false;
 533         if (the_locking_inset == inset) {
 534                 the_locking_inset->insetUnlock(bv);
 535                 getLyXText(bv)->updateInset(inset);
 536                 the_locking_inset = 0;
 537                 if (lr)
 538                         moveRightIntern(bv, true, false);
 539                 old_par = paragraphs.end(); // force layout setting
 540                 if (scroll())
 541                         scroll(bv, 0.0F);
 542                 else
 543                         updateLocal(bv, false);
 544                 return true;
 545         }
 546         return the_locking_inset->unlockInsetInInset(bv, inset, lr);
 547 }
 548
 549
 550 void InsetText::lfunMousePress(FuncRequest const & cmd)
 551 {
 552         no_selection = true;
 553
 554         // use this to check mouse motion for selection!
 555         mouse_x = cmd.x;
 556         mouse_y = cmd.y;
 557
 558         BufferView * bv = cmd.view();
 559         FuncRequest cmd1 = cmd;
 560         cmd1.x -= inset_x;
 561         cmd1.y -= inset_y;
 562         if (!locked)
 563                 lockInset(bv);
 564
 565         int tmp_x = cmd.x - drawTextXOffset;
 566         int tmp_y = cmd.y + dim_.asc - getLyXText(bv)->top_y();
 567         InsetOld * inset = getLyXText(bv)->checkInsetHit(tmp_x, tmp_y);
 568
 569         if (the_locking_inset) {
 570                 if (the_locking_inset == inset) {
 571                         the_locking_inset->localDispatch(cmd1);
 572                         return;
 573                 }
 574                 // otherwise only unlock the_locking_inset
 575                 the_locking_inset->insetUnlock(bv);
 576                 the_locking_inset = 0;
 577         }
 578         if (!inset)
 579                 no_selection = false;
 580
 581         if (bv->theLockingInset()) {
 582                 if (isHighlyEditableInset(inset)) {
 583                         // We just have to lock the inset before calling a
 584                         // PressEvent on it!
 585                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 586                         if (!bv->lockInset(uinset)) {
 587                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 588                         }
 589                         inset->localDispatch(cmd1);
 590                         if (the_locking_inset)
 591                                 updateLocal(bv, false);
 592                         return;
 593                 }
 594         }
 595         if (!inset) {
 596                 bool paste_internally = false;
 597                 if (cmd.button() == mouse_button::button2 && getLyXText(bv)->selection.set()) {
 598                         localDispatch(FuncRequest(bv, LFUN_COPY));
 599                         paste_internally = true;
 600                 }
 601                 int old_top_y = text_.top_y();
 602
 603                 text_.setCursorFromCoordinates(cmd.x - drawTextXOffset,
 604                                              cmd.y + dim_.asc);
 605                 // set the selection cursor!
 606                 text_.selection.cursor = text_.cursor;
 607                 text_.cursor.x_fix(text_.cursor.x());
 608
 609                 text_.clearSelection();
 610                 updateLocal(bv, false);
 611
 612                 bv->owner()->setLayout(cpar()->layout()->name());
 613
 614                 // we moved the view we cannot do mouse selection in this case!
 615                 if (getLyXText(bv)->top_y() != old_top_y)
 616                         no_selection = true;
 617                 old_par = cpar();
 618                 // Insert primary selection with middle mouse
 619                 // if there is a local selection in the current buffer,
 620                 // insert this
 621                 if (cmd.button() == mouse_button::button2) {
 622                         if (paste_internally)
 623                                 localDispatch(FuncRequest(bv, LFUN_PASTE));
 624                         else
 625                                 localDispatch(FuncRequest(bv, LFUN_PASTESELECTION, "paragraph"));
 626                 }
 627         } else {
 628                 getLyXText(bv)->clearSelection();
 629         }
 630 }
 631
 632
 633 bool InsetText::lfunMouseRelease(FuncRequest const & cmd)
 634 {
 635         BufferView * bv = cmd.view();
 636         FuncRequest cmd1 = cmd;
 637         cmd1.x -= inset_x;
 638         cmd1.y -= inset_y;
 639
 640         no_selection = true;
 641         if (the_locking_inset)
 642                 return the_locking_inset->localDispatch(cmd1);
 643
 644         int tmp_x = cmd.x - drawTextXOffset;
 645         int tmp_y = cmd.y + dim_.asc - getLyXText(bv)->top_y();
 646         InsetOld * inset = getLyXText(bv)->checkInsetHit(tmp_x, tmp_y);
 647         bool ret = false;
 648         if (inset) {
 649 // This code should probably be removed now. Simple insets
 650 // (!highlyEditable) can actually take the localDispatch,
 651 // and turn it into edit() if necessary. But we still
 652 // need to deal properly with the whole relative vs.
 653 // absolute mouse co-ords thing in a realiable, sensible way
 654 #if 0
 655                 if (isHighlyEditableInset(inset))
 656                         ret = inset->localDispatch(cmd1);
 657                 else {
 658                         inset_x = cix(bv) - top_x + drawTextXOffset;
 659                         inset_y = ciy() + drawTextYOffset;
 660                         cmd1.x = cmd.x - inset_x;
 661                         cmd1.y = cmd.x - inset_y;
 662                         inset->edit(bv, cmd1.x, cmd1.y, cmd.button());
 663                         ret = true;
 664                 }
 665 #endif
 666                 ret = inset->localDispatch(cmd1);
 667                 updateLocal(bv, false);
 668
 669         }
 670         return ret;
 671 }
 672
 673
 674 void InsetText::lfunMouseMotion(FuncRequest const & cmd)
 675 {
 676         FuncRequest cmd1 = cmd;
 677         cmd1.x -= inset_x;
 678         cmd1.y -= inset_y;
 679
 680         if (the_locking_inset) {
 681                 the_locking_inset->localDispatch(cmd1);
 682                 return;
 683         }
 684
 685         if (no_selection || (mouse_x == cmd.x && mouse_y == cmd.y))
 686                 return;
 687
 688         BufferView * bv = cmd.view();
 689         LyXCursor cur = text_.cursor;
 690         text_.setCursorFromCoordinates
 691                 (cmd.x - drawTextXOffset, cmd.y + dim_.asc);
 692         text_.cursor.x_fix(text_.cursor.x());
 693         if (cur == text_.cursor)
 694                 return;
 695         text_.setSelection();
 696         updateLocal(bv, false);
 697 }
 698
 699
 700 InsetOld::RESULT InsetText::localDispatch(FuncRequest const & cmd)
 701 {
 702         BufferView * bv = cmd.view();
 703         setViewCache(bv);
 704
 705         switch (cmd.action) {
 706         case LFUN_INSET_EDIT: {
 707                 UpdatableInset::localDispatch(cmd);
 708
 709                 if (!bv->lockInset(this)) {
 710                         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 711                         return DISPATCHED;
 712                 }
 713
 714                 locked = true;
 715                 the_locking_inset = 0;
 716                 inset_pos = 0;
 717                 inset_x = 0;
 718                 inset_y = 0;
 719                 inset_boundary = false;
 720                 inset_par = paragraphs.end();
 721                 old_par = paragraphs.end();
 722
 723
 724                 if (cmd.argument.size()) {
 725                         if (cmd.argument == "left")
 726                                 text_.setCursorIntern(paragraphs.begin(), 0);
 727                         else {
 728                                 ParagraphList::iterator it = boost::prior(paragraphs.end());
 729                                 text_.setCursor(it, it->size());
 730                         }
 731                 } else {
 732                         int tmp_y = (cmd.y < 0) ? 0 : cmd.y;
 733                         // we put here -1 and not button as now the button in the
 734                         // edit call should not be needed we will fix this in 1.3.x
 735                         // cycle hopefully (Jug 20020509)
 736                         // FIXME: GUII I've changed this to none: probably WRONG
 737                         if (!checkAndActivateInset(bv, cmd.x, tmp_y, mouse_button::none)) {
 738                                 text_.setCursorFromCoordinates(cmd.x - drawTextXOffset,
 739                                                                         cmd.y + dim_.asc);
 740                                 text_.cursor.x_fix(text_.cursor.x());
 741                         }
 742                 }
 743
 744                 text_.clearSelection();
 745                 finishUndo();
 746
 747                 // If the inset is empty set the language of the current font to the
 748                 // language to the surronding text (if different).
 749                 if (paragraphs.begin()->empty() &&
 750                     paragraphs.size() == 1 &&
 751                     bv->getParentLanguage(this) != text_.current_font.language())
 752                 {
 753                         LyXFont font(LyXFont::ALL_IGNORE);
 754                         font.setLanguage(bv->getParentLanguage(this));
 755                         setFont(bv, font, false);
 756                 }
 757
 758                 updateLocal(bv, false);
 759                 // Tell the paragraph dialog that we've entered an insettext.
 760                 bv->dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
 761                 return DISPATCHED;
 762         }
 763
 764         case LFUN_MOUSE_PRESS:
 765                 lfunMousePress(cmd);
 766                 return DISPATCHED;
 767
 768         case LFUN_MOUSE_MOTION:
 769                 lfunMouseMotion(cmd);
 770                 return DISPATCHED;
 771
 772         case LFUN_MOUSE_RELEASE:
 773                 return lfunMouseRelease(cmd) ? DISPATCHED : UNDISPATCHED;
 774
 775         default:
 776                 break;
 777         }
 778
 779         bool was_empty = paragraphs.begin()->empty() && paragraphs.size() == 1;
 780         no_selection = false;
 781
 782         RESULT result = UpdatableInset::localDispatch(cmd);
 783         if (result != UNDISPATCHED)
 784                 return DISPATCHED;
 785
 786         result = DISPATCHED;
 787         if (cmd.action < 0 && cmd.argument.empty())
 788                 return FINISHED;
 789
 790         if (the_locking_inset) {
 791                 result = the_locking_inset->localDispatch(cmd);
 792                 if (result == DISPATCHED_NOUPDATE)
 793                         return result;
 794                 if (result == DISPATCHED) {
 795                         updateLocal(bv, false);
 796                         return result;
 797                 }
 798                 if (result >= FINISHED) {
 799                         switch (result) {
 800                         case FINISHED_RIGHT:
 801                                 moveRightIntern(bv, false, false);
 802                                 result = DISPATCHED;
 803                                 break;
 804                         case FINISHED_UP:
 805                                 result = moveUp(bv);
 806                                 if (result >= FINISHED) {
 807                                         updateLocal(bv, false);
 808                                         bv->unlockInset(this);
 809                                 }
 810                                 break;
 811                         case FINISHED_DOWN:
 812                                 result = moveDown(bv);
 813                                 if (result >= FINISHED) {
 814                                         updateLocal(bv, false);
 815                                         bv->unlockInset(this);
 816                                 }
 817                                 break;
 818                         default:
 819                                 result = DISPATCHED;
 820                                 break;
 821                         }
 822                         the_locking_inset = 0;
 823                         updateLocal(bv, false);
 824                         // make sure status gets reset immediately
 825                         bv->owner()->clearMessage();
 826                         return result;
 827                 }
 828         }
 829         bool updflag = false;
 830
 831         switch (cmd.action) {
 832
 833         // Normal chars
 834         case LFUN_SELFINSERT:
 835                 if (bv->buffer()->isReadonly()) {
 836 //          setErrorMessage(N_("Document is read only"));
 837                         break;
 838                 }
 839                 if (!cmd.argument.empty()) {
 840                         /* Automatically delete the currently selected
 841                          * text and replace it with what is being
 842                          * typed in now. Depends on lyxrc settings
 843                          * "auto_region_delete", which defaults to
 844                          * true (on). */
 845 #if 0
 846                         // This should not be needed here and is also WRONG!
 847                         recordUndo(bv, Undo::INSERT, text_.cursor.par());
 848 #endif
 849                         bv->switchKeyMap();
 850
 851                         if (lyxrc.auto_region_delete && text_.selection.set())
 852                                 text_.cutSelection(false, false);
 853                         text_.clearSelection();
 854
 855                         for (string::size_type i = 0; i < cmd.argument.length(); ++i)
 856                                 bv->owner()->getIntl().getTransManager().
 857                                         TranslateAndInsert(cmd.argument[i], &text_);
 858                 }
 859                 text_.selection.cursor = text_.cursor;
 860                 updflag = true;
 861                 result = DISPATCHED_NOUPDATE;
 862                 break;
 863
 864         // cursor movements that need special handling
 865
 866         case LFUN_RIGHT:
 867                 result = moveRight(bv);
 868                 finishUndo();
 869                 break;
 870         case LFUN_LEFT:
 871                 finishUndo();
 872                 result = moveLeft(bv);
 873                 break;
 874         case LFUN_DOWN:
 875                 finishUndo();
 876                 result = moveDown(bv);
 877                 break;
 878         case LFUN_UP:
 879                 finishUndo();
 880                 result = moveUp(bv);
 881                 break;
 882
 883         case LFUN_PRIOR:
 884                 if (crow() == text_.rows().begin())
 885                         result = FINISHED_UP;
 886                 else {
 887                         text_.cursorPrevious();
 888                         text_.clearSelection();
 889                         result = DISPATCHED_NOUPDATE;
 890                 }
 891                 break;
 892
 893         case LFUN_NEXT:
 894                 if (boost::next(crow()) == text_.rows().end())
 895                         result = FINISHED_DOWN;
 896                 else {
 897                         text_.cursorNext();
 898                         text_.clearSelection();
 899                         result = DISPATCHED_NOUPDATE;
 900                 }
 901                 break;
 902
 903         case LFUN_BACKSPACE:
 904                 if (text_.selection.set())
 905                         text_.cutSelection(true, false);
 906                 else
 907                         text_.backspace();
 908                 updflag = true;
 909                 break;
 910
 911         case LFUN_DELETE:
 912                 if (text_.selection.set())
 913                         text_.cutSelection(true, false);
 914                 else
 915                         text_.Delete();
 916                 updflag = true;
 917                 break;
 918
 919         case LFUN_PASTE: {
 920                 if (!autoBreakRows) {
 921                         if (CutAndPaste::nrOfParagraphs() > 1) {
 922 #ifdef WITH_WARNINGS
 923 #warning FIXME horrendously bad UI
 924 #endif
 925                                 Alert::error(_("Paste failed"), _("Cannot include more than one paragraph."));
 926                                 break;
 927                         }
 928                 }
 929
 930                 replaceSelection(bv->getLyXText());
 931                 size_t sel_index = 0;
 932                 string const & arg = cmd.argument;
 933                 if (isStrUnsignedInt(arg)) {
 934                         size_t const paste_arg = strToUnsignedInt(arg);
 935 #warning FIXME Check if the arg is in the domain of available selections.
 936                         sel_index = paste_arg;
 937                 }
 938                 text_.pasteSelection(sel_index);
 939                 // bug 393
 940                 text_.clearSelection();
 941                 updflag = true;
 942                 break;
 943         }
 944
 945         case LFUN_BREAKPARAGRAPH:
 946                 if (!autoBreakRows) {
 947                         result = DISPATCHED;
 948                         break;
 949                 }
 950                 replaceSelection(bv->getLyXText());
 951                 text_.breakParagraph(paragraphs, 0);
 952                 updflag = true;
 953                 break;
 954
 955         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 956                 if (!autoBreakRows) {
 957                         result = DISPATCHED;
 958                         break;
 959                 }
 960                 replaceSelection(bv->getLyXText());
 961                 text_.breakParagraph(paragraphs, 1);
 962                 updflag = true;
 963                 break;
 964
 965         case LFUN_BREAKLINE: {
 966                 if (!autoBreakRows) {
 967                         result = DISPATCHED;
 968                         break;
 969                 }
 970
 971                 replaceSelection(bv->getLyXText());
 972                 text_.insertInset(new InsetNewline);
 973                 updflag = true;
 974                 break;
 975         }
 976
 977         case LFUN_LAYOUT:
 978                 // do not set layouts on non breakable textinsets
 979                 if (autoBreakRows) {
 980                         string cur_layout = cpar()->layout()->name();
 981
 982                         // Derive layout number from given argument (string)
 983                         // and current buffer's textclass (number).
 984                         LyXTextClass const & tclass =
 985                                 bv->buffer()->params.getLyXTextClass();
 986                         string layout = cmd.argument;
 987                         bool hasLayout = tclass.hasLayout(layout);
 988
 989                         // If the entry is obsolete, use the new one instead.
 990                         if (hasLayout) {
 991                                 string const & obs = tclass[layout]->obsoleted_by();
 992                                 if (!obs.empty())
 993                                         layout = obs;
 994                         }
 995
 996                         // see if we found the layout number:
 997                         if (!hasLayout) {
 998                                 FuncRequest lf(LFUN_MESSAGE, N_("Layout ") + cmd.argument + N_(" not known"));
 999                                 bv->owner()->dispatch(lf);
1000                                 break;
1001                         }
1002
1003                         if (cur_layout != layout) {
1004                                 cur_layout = layout;
1005                                 text_.setLayout(layout);
1006                                 bv->owner()->setLayout(cpar()->layout()->name());
1007                                 updflag = true;
1008                         }
1009                 } else {
1010                         // reset the layout box
1011                         bv->owner()->setLayout(cpar()->layout()->name());
1012                 }
1013                 break;
1014
1015         default:
1016                 if (!bv->dispatch(cmd))
1017                         result = UNDISPATCHED;
1018                 break;
1019         }
1020
1021         updateLocal(bv, updflag);
1022
1023         /// If the action has deleted all text in the inset, we need to change the
1024         // language to the language of the surronding text.
1025         if (!was_empty && paragraphs.begin()->empty() &&
1026             paragraphs.size() == 1) {
1027                 LyXFont font(LyXFont::ALL_IGNORE);
1028                 font.setLanguage(bv->getParentLanguage(this));
1029                 setFont(bv, font, false);
1030         }
1031
1032         if (result >= FINISHED)
1033                 bv->unlockInset(this);
1034
1035         if (result == DISPATCHED_NOUPDATE)
1036                 result = DISPATCHED;
1037         return result;
1038 }
1039
1040
1041 int InsetText::latex(Buffer const * buf, ostream & os,
1042                      LatexRunParams const & runparams) const
1043 {
1044         TexRow texrow;
1045         latexParagraphs(buf, paragraphs, os, texrow, runparams);
1046         return texrow.rows();
1047 }
1048
1049
1050 int InsetText::ascii(Buffer const * buf, ostream & os, int linelen) const
1051 {
1052         unsigned int lines = 0;
1053
1054         ParagraphList::const_iterator beg = paragraphs.begin();
1055         ParagraphList::const_iterator end = paragraphs.end();
1056         ParagraphList::const_iterator it = beg;
1057         for (; it != end; ++it) {
1058                 string const tmp = buf->asciiParagraph(*it, linelen, it == beg);
1059                 lines += lyx::count(tmp.begin(), tmp.end(), '\n');
1060                 os << tmp;
1061         }
1062         return lines;
1063 }
1064
1065
1066 int InsetText::linuxdoc(Buffer const * buf, ostream & os) const
1067 {
1068         ParagraphList::iterator pit = const_cast<ParagraphList&>(paragraphs).begin();
1069         ParagraphList::iterator pend = const_cast<ParagraphList&>(paragraphs).end();
1070
1071         // There is a confusion between the empty paragraph and the default paragraph
1072         // The default paragraph is <p></p>, the empty paragraph is *empty*
1073         // Since none of the floats of linuxdoc accepts standard paragraphs
1074         // I disable them. I don't expect problems. (jamatos 2003/07/27)
1075         for (; pit != pend; ++pit) {
1076                 const string name = pit->layout()->latexname();
1077                 if (name != "p")
1078                         sgml::openTag(os, 1, 0, name);
1079                 buf->simpleLinuxDocOnePar(os, pit, 0);
1080                 if (name != "p")
1081                         sgml::closeTag(os, 1, 0, name);
1082         }
1083         return 0;
1084 }
1085
1086
1087 int InsetText::docbook(Buffer const * buf, ostream & os, bool mixcont) const
1088 {
1089         unsigned int lines = 0;
1090
1091         vector<string> environment_stack(10);
1092         vector<string> environment_inner(10);
1093
1094         int const command_depth = 0;
1095         string item_name;
1096
1097         Paragraph::depth_type depth = 0; // paragraph depth
1098
1099         ParagraphList::iterator pit = const_cast<ParagraphList&>(paragraphs).begin();
1100         ParagraphList::iterator pend = const_cast<ParagraphList&>(paragraphs).end();
1101
1102         for (; pit != pend; ++pit) {
1103                 int desc_on = 0; // description mode
1104
1105                 LyXLayout_ptr const & style = pit->layout();
1106
1107                 // environment tag closing
1108                 for (; depth > pit->params().depth(); --depth) {
1109                         if (environment_inner[depth] != "!-- --") {
1110                                 item_name = "listitem";
1111                                 lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
1112                                 if (environment_inner[depth] == "varlistentry")
1113                                         lines += sgml::closeTag(os, depth+command_depth, mixcont, environment_inner[depth]);
1114                         }
1115                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1116                         environment_stack[depth].erase();
1117                         environment_inner[depth].erase();
1118                 }
1119
1120                 if (depth == pit->params().depth()
1121                    && environment_stack[depth] != style->latexname()
1122                    && !environment_stack[depth].empty()) {
1123                         if (environment_inner[depth] != "!-- --") {
1124                                 item_name= "listitem";
1125                                 lines += sgml::closeTag(os, command_depth+depth, mixcont, item_name);
1126                                 if (environment_inner[depth] == "varlistentry")
1127                                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
1128                         }
1129
1130                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1131
1132                         environment_stack[depth].erase();
1133                         environment_inner[depth].erase();
1134                 }
1135
1136                 // Write opening SGML tags.
1137                 switch (style->latextype) {
1138                 case LATEX_PARAGRAPH:
1139                         lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexname());
1140                         break;
1141
1142                 case LATEX_COMMAND:
1143                         buf->error(ErrorItem(_("Error"), _("LatexType Command not allowed here.\n"), pit->id(), 0, pit->size()));
1144                         return -1;
1145                         break;
1146
1147                 case LATEX_ENVIRONMENT:
1148                 case LATEX_ITEM_ENVIRONMENT:
1149                         if (depth < pit->params().depth()) {
1150                                 depth = pit->params().depth();
1151                                 environment_stack[depth].erase();
1152                         }
1153
1154                         if (environment_stack[depth] != style->latexname()) {
1155                                 if (environment_stack.size() == depth + 1) {
1156                                         environment_stack.push_back("!-- --");
1157                                         environment_inner.push_back("!-- --");
1158                                 }
1159                                 environment_stack[depth] = style->latexname();
1160                                 environment_inner[depth] = "!-- --";
1161                                 lines += sgml::openTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1162                         } else {
1163                                 if (environment_inner[depth] != "!-- --") {
1164                                         item_name= "listitem";
1165                                         lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
1166                                         if (environment_inner[depth] == "varlistentry")
1167                                                 lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
1168                                 }
1169                         }
1170
1171                         if (style->latextype == LATEX_ENVIRONMENT) {
1172                                 if (!style->latexparam().empty()) {
1173                                         if (style->latexparam() == "CDATA")
1174                                                 os << "<![CDATA[";
1175                                         else
1176                                           lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexparam());
1177                                 }
1178                                 break;
1179                         }
1180
1181                         desc_on = (style->labeltype == LABEL_MANUAL);
1182
1183                         environment_inner[depth] = desc_on ? "varlistentry" : "listitem";
1184                         lines += sgml::openTag(os, depth + 1 + command_depth, mixcont, environment_inner[depth]);
1185
1186                         item_name = desc_on ? "term" : "para";
1187                         lines += sgml::openTag(os, depth + 1 + command_depth, mixcont, item_name);
1188
1189                         break;
1190                 default:
1191                         lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexname());
1192                         break;
1193                 }
1194
1195                 buf->simpleDocBookOnePar(os, pit, desc_on, depth + 1 + command_depth);
1196
1197                 string end_tag;
1198                 // write closing SGML tags
1199                 switch (style->latextype) {
1200                 case LATEX_ENVIRONMENT:
1201                         if (!style->latexparam().empty()) {
1202                                 if (style->latexparam() == "CDATA")
1203                                         os << "]]>";
1204                                 else
1205                                         lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexparam());
1206                         }
1207                         break;
1208                 case LATEX_ITEM_ENVIRONMENT:
1209                         if (desc_on == 1)
1210                                 break;
1211                         end_tag= "para";
1212                         lines += sgml::closeTag(os, depth + 1 + command_depth, mixcont, end_tag);
1213                         break;
1214                 case LATEX_PARAGRAPH:
1215                         lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexname());
1216                         break;
1217                 default:
1218                         lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexname());
1219                         break;
1220                 }
1221         }
1222
1223         // Close open tags
1224         for (int d = depth; d >= 0; --d) {
1225                 if (!environment_stack[depth].empty()) {
1226                         if (environment_inner[depth] != "!-- --") {
1227                                 item_name = "listitem";
1228                                 lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
1229                                if (environment_inner[depth] == "varlistentry")
1230                                        lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
1231                         }
1232
1233                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1234                 }
1235         }
1236
1237         return lines;
1238 }
1239
1240
1241 void InsetText::validate(LaTeXFeatures & features) const
1242 {
1243         for_each(paragraphs.begin(), paragraphs.end(),
1244                  boost::bind(&Paragraph::validate, _1, boost::ref(features)));
1245 }
1246
1247
1248 void InsetText::getCursor(BufferView & bv, int & x, int & y) const
1249 {
1250         if (the_locking_inset) {
1251                 the_locking_inset->getCursor(bv, x, y);
1252                 return;
1253         }
1254         x = cx();
1255         y = cy() + InsetText::y();
1256 }
1257
1258
1259 void InsetText::getCursorPos(BufferView * bv, int & x, int & y) const
1260 {
1261         if (the_locking_inset) {
1262                 the_locking_inset->getCursorPos(bv, x, y);
1263                 return;
1264         }
1265         x = cx() - top_x - TEXT_TO_INSET_OFFSET;
1266         y = cy() - TEXT_TO_INSET_OFFSET;
1267 }
1268
1269
1270 int InsetText::insetInInsetY() const
1271 {
1272         if (!the_locking_inset)
1273                 return 0;
1274
1275         return inset_y + the_locking_inset->insetInInsetY();
1276 }
1277
1278
1279 void InsetText::fitInsetCursor(BufferView * bv) const
1280 {
1281         if (the_locking_inset) {
1282                 the_locking_inset->fitInsetCursor(bv);
1283                 return;
1284         }
1285
1286         LyXFont const font = text_.getFont(cpar(), cpos());
1287
1288         int const asc = font_metrics::maxAscent(font);
1289         int const desc = font_metrics::maxDescent(font);
1290
1291         bv->fitLockedInsetCursor(cx(), cy(), asc, desc);
1292 }
1293
1294
1295 InsetOld::RESULT InsetText::moveRight(BufferView * bv)
1296 {
1297         if (text_.cursor.par()->isRightToLeftPar(bv->buffer()->params))
1298                 return moveLeftIntern(bv, false, true, false);
1299         else
1300                 return moveRightIntern(bv, true, true, false);
1301 }
1302
1303
1304 InsetOld::RESULT InsetText::moveLeft(BufferView * bv)
1305 {
1306         if (text_.cursor.par()->isRightToLeftPar(bv->buffer()->params))
1307                 return moveRightIntern(bv, true, true, false);
1308         else
1309                 return moveLeftIntern(bv, false, true, false);
1310 }
1311
1312
1313 InsetOld::RESULT
1314 InsetText::moveRightIntern(BufferView * bv, bool front,
1315                            bool activate_inset, bool selecting)
1316 {
1317         ParagraphList::iterator c_par = cpar();
1318
1319         if (boost::next(c_par) == paragraphs.end() && cpos() >= c_par->size())
1320                 return FINISHED_RIGHT;
1321         if (activate_inset && checkAndActivateInset(bv, front))
1322                 return DISPATCHED;
1323         text_.cursorRight(bv);
1324         if (!selecting)
1325                 text_.clearSelection();
1326         return DISPATCHED_NOUPDATE;
1327 }
1328
1329
1330 InsetOld::RESULT
1331 InsetText::moveLeftIntern(BufferView * bv, bool front,
1332                           bool activate_inset, bool selecting)
1333 {
1334         if (cpar() == paragraphs.begin() && cpos() <= 0)
1335                 return FINISHED;
1336         text_.cursorLeft(bv);
1337         if (!selecting)
1338                 text_.clearSelection();
1339         if (activate_inset && checkAndActivateInset(bv, front))
1340                 return DISPATCHED;
1341         return DISPATCHED_NOUPDATE;
1342 }
1343
1344
1345 InsetOld::RESULT InsetText::moveUp(BufferView * bv)
1346 {
1347         if (crow() == text_.rows().begin())
1348                 return FINISHED_UP;
1349         text_.cursorUp(bv);
1350         text_.clearSelection();
1351         return DISPATCHED_NOUPDATE;
1352 }
1353
1354
1355 InsetOld::RESULT InsetText::moveDown(BufferView * bv)
1356 {
1357         if (boost::next(crow()) == text_.rows().end())
1358                 return FINISHED_DOWN;
1359         text_.cursorDown(bv);
1360         text_.clearSelection();
1361         return DISPATCHED_NOUPDATE;
1362 }
1363
1364
1365 bool InsetText::insertInset(BufferView * bv, InsetOld * inset)
1366 {
1367         if (the_locking_inset) {
1368                 if (the_locking_inset->insetAllowed(inset))
1369                         return the_locking_inset->insertInset(bv, inset);
1370                 return false;
1371         }
1372         inset->setOwner(this);
1373         text_.insertInset(inset);
1374         bv->fitCursor();
1375         updateLocal(bv, true);
1376         return true;
1377 }
1378
1379
1380 bool InsetText::insetAllowed(InsetOld::Code code) const
1381 {
1382         // in_insetAllowed is a really gross hack,
1383         // to allow us to call the owner's insetAllowed
1384         // without stack overflow, which can happen
1385         // when the owner uses InsetCollapsable::insetAllowed()
1386         bool ret = true;
1387         if (in_insetAllowed)
1388                 return ret;
1389         in_insetAllowed = true;
1390         if (the_locking_inset)
1391                 ret = the_locking_inset->insetAllowed(code);
1392         else if (owner())
1393                 ret = owner()->insetAllowed(code);
1394         in_insetAllowed = false;
1395         return ret;
1396 }
1397
1398
1399 UpdatableInset * InsetText::getLockingInset() const
1400 {
1401         return the_locking_inset ? the_locking_inset->getLockingInset() :
1402                 const_cast<InsetText *>(this);
1403 }
1404
1405
1406 UpdatableInset * InsetText::getFirstLockingInsetOfType(InsetOld::Code c)
1407 {
1408         if (c == lyxCode())
1409                 return this;
1410         if (the_locking_inset)
1411                 return the_locking_inset->getFirstLockingInsetOfType(c);
1412         return 0;
1413 }
1414
1415
1416 bool InsetText::showInsetDialog(BufferView * bv) const
1417 {
1418         if (the_locking_inset)
1419                 return the_locking_inset->showInsetDialog(bv);
1420         return false;
1421 }
1422
1423
1424 void InsetText::getLabelList(std::vector<string> & list) const
1425 {
1426         ParagraphList::const_iterator pit = paragraphs.begin();
1427         ParagraphList::const_iterator pend = paragraphs.end();
1428         for (; pit != pend; ++pit) {
1429                 InsetList::const_iterator beg = pit->insetlist.begin();
1430                 InsetList::const_iterator end = pit->insetlist.end();
1431                 for (; beg != end; ++beg)
1432                         beg->inset->getLabelList(list);
1433         }
1434 }
1435
1436
1437 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
1438                         bool selectall)
1439 {
1440         if (the_locking_inset) {
1441                 the_locking_inset->setFont(bv, font, toggleall, selectall);
1442                 return;
1443         }
1444
1445         if ((paragraphs.size() == 1 && paragraphs.begin()->empty())
1446             || cpar()->empty()) {
1447                 text_.setFont(font, toggleall);
1448                 return;
1449         }
1450
1451
1452         if (text_.selection.set())
1453                 recordUndo(bv, Undo::ATOMIC, text_.cursor.par());
1454
1455         if (selectall) {
1456                 text_.cursorTop();
1457                 text_.selection.cursor = text_.cursor;
1458                 text_.cursorBottom();
1459                 text_.setSelection();
1460         }
1461
1462         text_.toggleFree(font, toggleall);
1463
1464         if (selectall)
1465                 text_.clearSelection();
1466
1467         bv->fitCursor();
1468         updateLocal(bv, true);
1469 }
1470
1471
1472 bool InsetText::checkAndActivateInset(BufferView * bv, bool front)
1473 {
1474         InsetOld * inset = cpar()->getInset(cpos());
1475         if (!isHighlyEditableInset(inset))
1476                 return false;
1477         FuncRequest cmd(bv, LFUN_INSET_EDIT, front ? "left" : "right");
1478         inset->localDispatch(cmd);
1479         if (!the_locking_inset)
1480                 return false;
1481         updateLocal(bv, false);
1482         return true;
1483 }
1484
1485
1486 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1487                                       mouse_button::state button)
1488 {
1489         x -= drawTextXOffset;
1490         int dummyx = x;
1491         int dummyy = y + dim_.asc;
1492         InsetOld * inset = getLyXText(bv)->checkInsetHit(dummyx, dummyy);
1493         // we only do the edit() call if the inset was hit by the mouse
1494         // or if it is a highly editable inset. So we should call this
1495         // function from our own edit with button < 0.
1496         // FIXME: GUII jbl. I've changed this to ::none for now which is probably
1497         // WRONG
1498         if (button == mouse_button::none && !isHighlyEditableInset(inset))
1499                 return false;
1500
1501         if (!inset)
1502                 return false;
1503         if (x < 0)
1504                 x = dim_.wid;
1505         if (y < 0)
1506                 y = dim_.des;
1507         inset_x = cix() - top_x + drawTextXOffset;
1508         inset_y = ciy() + drawTextYOffset;
1509         FuncRequest cmd(bv, LFUN_INSET_EDIT, x - inset_x, y - inset_y, button);
1510         inset->localDispatch(cmd);
1511         if (!the_locking_inset)
1512                 return false;
1513         updateLocal(bv, false);
1514         return true;
1515 }
1516
1517
1518 void InsetText::markNew(bool track_changes)
1519 {
1520         ParagraphList::iterator pit = paragraphs.begin();
1521         ParagraphList::iterator end = paragraphs.end();
1522         for (; pit != end; ++pit) {
1523                 if (track_changes) {
1524                         pit->trackChanges();
1525                 } else {
1526                         // no-op when not tracking
1527                         pit->cleanChanges();
1528                 }
1529         }
1530 }
1531
1532
1533 void InsetText::setText(string const & data, LyXFont const & font)
1534 {
1535         clear(false);
1536         for (unsigned int i = 0; i < data.length(); ++i)
1537                 paragraphs.begin()->insertChar(i, data[i], font);
1538         reinitLyXText();
1539 }
1540
1541
1542 void InsetText::setAutoBreakRows(bool flag)
1543 {
1544         if (flag != autoBreakRows) {
1545                 autoBreakRows = flag;
1546                 if (!flag)
1547                         removeNewlines();
1548         }
1549 }
1550
1551
1552 void InsetText::setDrawFrame(BufferView * bv, DrawFrame how)
1553 {
1554         if (how != drawFrame_) {
1555                 drawFrame_ = how;
1556                 updateLocal(bv, false);
1557         }
1558 }
1559
1560
1561 void InsetText::setFrameColor(BufferView * bv, LColor::color col)
1562 {
1563         if (frame_color != col) {
1564                 frame_color = col;
1565                 updateLocal(bv, false);
1566         }
1567 }
1568
1569
1570 int InsetText::cx() const
1571 {
1572         int x = text_.cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1573         if (the_locking_inset) {
1574                 LyXFont font = text_.getFont(text_.cursor.par(), text_.cursor.pos());
1575                 if (font.isVisibleRightToLeft())
1576                         x -= the_locking_inset->width();
1577         }
1578         return x;
1579 }
1580
1581
1582 int InsetText::cix() const
1583 {
1584         int x = text_.cursor.ix() + top_x + TEXT_TO_INSET_OFFSET;
1585         if (the_locking_inset) {
1586                 LyXFont font = text_.getFont(text_.cursor.par(), text_.cursor.pos());
1587                 if (font.isVisibleRightToLeft())
1588                         x -= the_locking_inset->width();
1589         }
1590         return x;
1591 }
1592
1593
1594 int InsetText::cy() const
1595 {
1596         return text_.cursor.y() - dim_.asc + TEXT_TO_INSET_OFFSET;
1597 }
1598
1599
1600 int InsetText::ciy() const
1601 {
1602         return text_.cursor.iy() - dim_.asc + TEXT_TO_INSET_OFFSET;
1603 }
1604
1605
1606 pos_type InsetText::cpos() const
1607 {
1608         return text_.cursor.pos();
1609 }
1610
1611
1612 ParagraphList::iterator InsetText::cpar() const
1613 {
1614         return text_.cursor.par();
1615 }
1616
1617
1618 bool InsetText::cboundary() const
1619 {
1620         return text_.cursor.boundary();
1621 }
1622
1623
1624 RowList::iterator InsetText::crow() const
1625 {
1626         return text_.cursorRow();
1627 }
1628
1629
1630 LyXText * InsetText::getLyXText(BufferView const * bv,
1631                                 bool const recursive) const
1632 {
1633         setViewCache(bv);
1634         if (recursive && the_locking_inset)
1635                 return the_locking_inset->getLyXText(bv, true);
1636         return &text_;
1637 }
1638
1639
1640 void InsetText::setViewCache(BufferView const * bv) const
1641 {
1642         if (bv)
1643                 text_.bv_owner = const_cast<BufferView *>(bv);
1644 }
1645
1646
1647 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1648 {
1649         if (recursive) {
1650                 /// then remove all LyXText in text-insets
1651                 for_each(const_cast<ParagraphList&>(paragraphs).begin(),
1652                          const_cast<ParagraphList&>(paragraphs).end(),
1653                          boost::bind(&Paragraph::deleteInsetsLyXText, _1, bv));
1654         }
1655 }
1656
1657
1658 void InsetText::resizeLyXText(BufferView * bv, bool /*force*/) const
1659 {
1660         if (paragraphs.size() == 1 && paragraphs.begin()->empty())
1661                 return;
1662
1663         if (!bv)
1664                 return;
1665
1666         Assert(bv);
1667         setViewCache(bv);
1668
1669         for_each(const_cast<ParagraphList&>(paragraphs).begin(),
1670                  const_cast<ParagraphList&>(paragraphs).end(),
1671                  boost::bind(&Paragraph::resizeInsetsLyXText, _1, bv));
1672
1673         saveLyXTextState();
1674         text_.init(bv);
1675         restoreLyXTextState();
1676
1677         // seems to be unneeded
1678 #if 1
1679         if (the_locking_inset) {
1680                 inset_x = cix() - top_x + drawTextXOffset;
1681                 inset_y = ciy() + drawTextYOffset;
1682         }
1683 #endif
1684
1685 #if 0
1686         text_.top_y(bv->screen().topCursorVisible(&text_));
1687         if (!owner()) {
1688                 const_cast<InsetText*>(this)->updateLocal(bv, false);
1689                 // this will scroll the screen such that the cursor becomes visible
1690                 bv->updateScrollbar();
1691         }
1692 #endif
1693 }
1694
1695
1696 void InsetText::reinitLyXText() const
1697 {
1698         BufferView * bv = text_.bv_owner;
1699
1700         if (!bv)
1701                 return;
1702
1703         saveLyXTextState();
1704
1705         for_each(const_cast<ParagraphList&>(paragraphs).begin(),
1706                  const_cast<ParagraphList&>(paragraphs).end(),
1707                  boost::bind(&Paragraph::resizeInsetsLyXText, _1, bv));
1708
1709         text_.init(bv);
1710         restoreLyXTextState();
1711         if (the_locking_inset) {
1712                 inset_x = cix() - top_x + drawTextXOffset;
1713                 inset_y = ciy() + drawTextYOffset;
1714         }
1715         text_.top_y(bv->screen().topCursorVisible(&text_));
1716         if (!owner()) {
1717                 // this will scroll the screen such that the cursor becomes visible
1718                 bv->updateScrollbar();
1719         }
1720 }
1721
1722
1723 void InsetText::removeNewlines()
1724 {
1725         bool changed = false;
1726
1727         ParagraphList::iterator it = paragraphs.begin();
1728         ParagraphList::iterator end = paragraphs.end();
1729         for (; it != end; ++it) {
1730                 for (int i = 0; i < it->size(); ++i) {
1731                         if (it->isNewline(i)) {
1732                                 changed = true;
1733                                 it->erase(i);
1734                         }
1735                 }
1736         }
1737         if (changed)
1738                 reinitLyXText();
1739 }
1740
1741
1742 int InsetText::scroll(bool recursive) const
1743 {
1744         int sx = UpdatableInset::scroll(false);
1745
1746         if (recursive && the_locking_inset)
1747                 sx += the_locking_inset->scroll(recursive);
1748
1749         return sx;
1750 }
1751
1752
1753 void InsetText::clearSelection(BufferView * bv)
1754 {
1755         getLyXText(bv)->clearSelection();
1756 }
1757
1758
1759 void InsetText::clearInset(BufferView * bv, int start_x, int baseline) const
1760 {
1761         Painter & pain = bv->painter();
1762         int w = dim_.wid;
1763         int h = dim_.asc + dim_.des;
1764         int ty = baseline - dim_.asc;
1765
1766         if (ty < 0) {
1767                 h += ty;
1768                 ty = 0;
1769         }
1770         if (ty + h > pain.paperHeight())
1771                 h = pain.paperHeight();
1772         if (top_x + drawTextXOffset + w > pain.paperWidth())
1773                 w = pain.paperWidth();
1774         pain.fillRectangle(start_x + 1, ty + 1, w - 3, h - 1, backgroundColor());
1775 }
1776
1777
1778 ParagraphList * InsetText::getParagraphs(int i) const
1779 {
1780         return (i == 0) ? const_cast<ParagraphList*>(&paragraphs) : 0;
1781 }
1782
1783
1784 LyXCursor const & InsetText::cursor(BufferView * bv) const
1785 {
1786         if (the_locking_inset)
1787                 return the_locking_inset->cursor(bv);
1788         return getLyXText(bv)->cursor;
1789 }
1790
1791
1792 InsetOld * InsetText::getInsetFromID(int id_arg) const
1793 {
1794         if (id_arg == id())
1795                 return const_cast<InsetText *>(this);
1796
1797         ParagraphList::const_iterator pit = paragraphs.begin();
1798         ParagraphList::const_iterator pend = paragraphs.end();
1799         for (; pit != pend; ++pit) {
1800                 InsetList::const_iterator it = pit->insetlist.begin();
1801                 InsetList::const_iterator end = pit->insetlist.end();
1802                 for (; it != end; ++it) {
1803                         if (it->inset->id() == id_arg)
1804                                 return it->inset;
1805                         InsetOld * in = it->inset->getInsetFromID(id_arg);
1806                         if (in)
1807                                 return in;
1808                 }
1809         }
1810         return 0;
1811 }
1812
1813
1814 WordLangTuple const
1815 InsetText::selectNextWordToSpellcheck(BufferView * bv, float & value) const
1816 {
1817         WordLangTuple word;
1818         if (the_locking_inset) {
1819                 word = the_locking_inset->selectNextWordToSpellcheck(bv, value);
1820                 if (!word.word().empty()) {
1821                         value += cy();
1822                         return word;
1823                 }
1824                 // we have to go on checking so move cursor to the next char
1825                 text_.cursor.pos(text_.cursor.pos() + 1);
1826         }
1827         word = text_.selectNextWordToSpellcheck(value);
1828         if (word.word().empty())
1829                 bv->unlockInset(const_cast<InsetText *>(this));
1830         else
1831                 value = cy();
1832         return word;
1833 }
1834
1835
1836 void InsetText::selectSelectedWord(BufferView * bv)
1837 {
1838         if (the_locking_inset) {
1839                 the_locking_inset->selectSelectedWord(bv);
1840                 return;
1841         }
1842         getLyXText(bv)->selectSelectedWord();
1843         updateLocal(bv, false);
1844 }
1845
1846
1847 bool InsetText::nextChange(BufferView * bv, lyx::pos_type & length)
1848 {
1849         if (the_locking_inset) {
1850                 if (the_locking_inset->nextChange(bv, length))
1851                         return true;
1852                 text_.cursorRight(true);
1853         }
1854         lyx::find::SearchResult result =
1855                 lyx::find::findNextChange(bv, &text_, length);
1856
1857         if (result == lyx::find::SR_FOUND) {
1858                 LyXCursor cur = text_.cursor;
1859                 bv->unlockInset(bv->theLockingInset());
1860                 if (bv->lockInset(this))
1861                         locked = true;
1862                 text_.cursor = cur;
1863                 text_.setSelectionRange(length);
1864                 updateLocal(bv, false);
1865         }
1866         return result != lyx::find::SR_NOT_FOUND;
1867 }
1868
1869
1870 bool InsetText::searchForward(BufferView * bv, string const & str,
1871                               bool cs, bool mw)
1872 {
1873         if (the_locking_inset) {
1874                 if (the_locking_inset->searchForward(bv, str, cs, mw))
1875                         return true;
1876                 text_.cursorRight(true);
1877         }
1878         lyx::find::SearchResult result =
1879                 lyx::find::find(bv, &text_, str, true, cs, mw);
1880
1881         if (result == lyx::find::SR_FOUND) {
1882                 LyXCursor cur = text_.cursor;
1883                 bv->unlockInset(bv->theLockingInset());
1884                 if (bv->lockInset(this))
1885                         locked = true;
1886                 text_.cursor = cur;
1887                 text_.setSelectionRange(str.length());
1888                 updateLocal(bv, false);
1889         }
1890         return result != lyx::find::SR_NOT_FOUND;
1891 }
1892
1893
1894 bool InsetText::searchBackward(BufferView * bv, string const & str,
1895                                bool cs, bool mw)
1896 {
1897         if (the_locking_inset) {
1898                 if (the_locking_inset->searchBackward(bv, str, cs, mw))
1899                         return true;
1900         }
1901         if (!locked) {
1902                 ParagraphList::iterator pit = paragraphs.begin();
1903                 ParagraphList::iterator pend = paragraphs.end();
1904
1905                 while (boost::next(pit) != pend)
1906                         ++pit;
1907
1908                 text_.setCursor(pit, pit->size());
1909         }
1910         lyx::find::SearchResult result =
1911                 lyx::find::find(bv, &text_, str, false, cs, mw);
1912
1913         if (result == lyx::find::SR_FOUND) {
1914                 LyXCursor cur = text_.cursor;
1915                 bv->unlockInset(bv->theLockingInset());
1916                 if (bv->lockInset(this))
1917                         locked = true;
1918                 text_.cursor = cur;
1919                 text_.setSelectionRange(str.length());
1920                 updateLocal(bv, false);
1921         }
1922         return result != lyx::find::SR_NOT_FOUND;
1923 }
1924
1925
1926 bool InsetText::checkInsertChar(LyXFont & font)
1927 {
1928         return owner() ? owner()->checkInsertChar(font) : true;
1929 }
1930
1931
1932 void InsetText::collapseParagraphs(BufferView * bv)
1933 {
1934         while (paragraphs.size() > 1) {
1935                 ParagraphList::iterator first_par = paragraphs.begin();
1936                 ParagraphList::iterator next_par = boost::next(first_par);
1937                 size_t const first_par_size = first_par->size();
1938
1939                 if (!first_par->empty() &&
1940                     !next_par->empty() &&
1941                     !first_par->isSeparator(first_par_size - 1)) {
1942                         first_par->insertChar(first_par_size, ' ');
1943                 }
1944
1945                 if (text_.selection.set()) {
1946                         if (text_.selection.start.par() == next_par) {
1947                                 text_.selection.start.par(first_par);
1948                                 text_.selection.start.pos(
1949                                         text_.selection.start.pos() + first_par_size);
1950                         }
1951                         if (text_.selection.end.par() == next_par) {
1952                                 text_.selection.end.par(first_par);
1953                                 text_.selection.end.pos(
1954                                         text_.selection.end.pos() + first_par_size);
1955                         }
1956                 }
1957
1958                 mergeParagraph(bv->buffer()->params, paragraphs, first_par);
1959         }
1960         reinitLyXText();
1961 }
1962
1963
1964 void InsetText::getDrawFont(LyXFont & font) const
1965 {
1966         if (!owner())
1967                 return;
1968         owner()->getDrawFont(font);
1969 }
1970
1971
1972 void InsetText::appendParagraphs(Buffer * buffer, ParagraphList & plist)
1973 {
1974 #warning FIXME Check if Changes stuff needs changing here. (Lgb)
1975 // And it probably does. You have to take a look at this John. (Lgb)
1976 #warning John, have a look here. (Lgb)
1977         ParagraphList::iterator pit = plist.begin();
1978         ParagraphList::iterator ins = paragraphs.insert(paragraphs.end(), *pit);
1979         ++pit;
1980         mergeParagraph(buffer->params, paragraphs, boost::prior(ins));
1981
1982         ParagraphList::iterator pend = plist.end();
1983         for (; pit != pend; ++pit)
1984                 paragraphs.push_back(*pit);
1985
1986         reinitLyXText();
1987 }
1988
1989
1990 void InsetText::addPreview(PreviewLoader & loader) const
1991 {
1992         ParagraphList::const_iterator pit = paragraphs.begin();
1993         ParagraphList::const_iterator pend = paragraphs.end();
1994
1995         for (; pit != pend; ++pit) {
1996                 InsetList::const_iterator it  = pit->insetlist.begin();
1997                 InsetList::const_iterator end = pit->insetlist.end();
1998                 for (; it != end; ++it)
1999                         it->inset->addPreview(loader);
2000         }
2001 }