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