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 "BufferView.h"
  18 #include "CutAndPaste.h"
  19 #include "debug.h"
  20 #include "errorlist.h"
  21 #include "funcrequest.h"
  22 #include "gettext.h"
  23 #include "intl.h"
  24 #include "lyxfind.h"
  25 #include "lyxlex.h"
  26 #include "lyxrc.h"
  27 #include "metricsinfo.h"
  28 #include "paragraph.h"
  29 #include "paragraph_funcs.h"
  30 #include "ParagraphParameters.h"
  31 #include "rowpainter.h"
  32 #include "sgml.h"
  33 #include "undo_funcs.h"
  34 #include "WordLangTuple.h"
  35
  36 #include "frontends/Alert.h"
  37 #include "frontends/font_metrics.h"
  38 #include "frontends/LyXView.h"
  39 #include "frontends/Painter.h"
  40
  41 #include "support/lyxalgo.h" // lyx::count
  42
  43 #include <boost/bind.hpp>
  44
  45 using std::endl;
  46 using std::for_each;
  47 using std::min;
  48 using std::max;
  49 using std::make_pair;
  50 using std::auto_ptr;
  51 using std::ostream;
  52 using std::ifstream;
  53 using std::pair;
  54 using std::vector;
  55
  56 using namespace lyx::support;
  57 using namespace lyx::graphics;
  58 using namespace bv_funcs;
  59
  60 using lyx::pos_type;
  61 using lyx::textclass_type;
  62
  63
  64 InsetText::InsetText(BufferParams const & bp)
  65         : UpdatableInset(), text_(0, this, true, paragraphs)
  66 {
  67         paragraphs.push_back(Paragraph());
  68         paragraphs.begin()->layout(bp.getLyXTextClass().defaultLayout());
  69         if (bp.tracking_changes)
  70                 paragraphs.begin()->trackChanges();
  71         init(0);
  72 }
  73
  74
  75 InsetText::InsetText(InsetText const & in)
  76         : UpdatableInset(in), text_(0, this, true, paragraphs)
  77 {
  78         init(&in);
  79 }
  80
  81
  82 InsetText & InsetText::operator=(InsetText const & it)
  83 {
  84         init(&it);
  85         return *this;
  86 }
  87
  88
  89 void InsetText::init(InsetText const * ins)
  90 {
  91         if (ins) {
  92                 textwidth_ = ins->textwidth_;
  93                 text_.bv_owner = ins->text_.bv_owner;
  94
  95                 paragraphs = ins->paragraphs;
  96
  97                 ParagraphList::iterator pit = paragraphs.begin();
  98                 ParagraphList::iterator end = paragraphs.end();
  99                 for (; pit != end; ++pit)
 100                         pit->setInsetOwner(this);
 101
 102                 autoBreakRows = ins->autoBreakRows;
 103                 drawFrame_ = ins->drawFrame_;
 104                 frame_color = ins->frame_color;
 105         } else {
 106                 textwidth_ = 0; // broken
 107                 drawFrame_ = NEVER;
 108                 frame_color = LColor::insetframe;
 109                 autoBreakRows = false;
 110         }
 111         the_locking_inset = 0;
 112         for_each(paragraphs.begin(), paragraphs.end(),
 113                  boost::bind(&Paragraph::setInsetOwner, _1, this));
 114         top_y = 0;
 115         no_selection = true;
 116         drawTextXOffset = 0;
 117         drawTextYOffset = 0;
 118         locked = false;
 119         old_par = paragraphs.end();
 120         in_insetAllowed = false;
 121 }
 122
 123
 124 void InsetText::clear(bool just_mark_erased)
 125 {
 126         if (just_mark_erased) {
 127                 ParagraphList::iterator it = paragraphs.begin();
 128                 ParagraphList::iterator end = paragraphs.end();
 129                 for (; it != end; ++it)
 130                         it->markErased();
 131                 return;
 132         }
 133
 134         // This is a gross hack...
 135         LyXLayout_ptr old_layout = paragraphs.begin()->layout();
 136
 137         paragraphs.clear();
 138         paragraphs.push_back(Paragraph());
 139         paragraphs.begin()->setInsetOwner(this);
 140         paragraphs.begin()->layout(old_layout);
 141 }
 142
 143
 144 auto_ptr<InsetBase> InsetText::clone() const
 145 {
 146         return auto_ptr<InsetBase>(new InsetText(*this));
 147 }
 148
 149
 150 void InsetText::write(Buffer const & buf, ostream & os) const
 151 {
 152         os << "Text\n";
 153         writeParagraphData(buf, os);
 154 }
 155
 156
 157 void InsetText::writeParagraphData(Buffer const & buf, ostream & os) const
 158 {
 159         ParagraphList::const_iterator it = paragraphs.begin();
 160         ParagraphList::const_iterator end = paragraphs.end();
 161         Paragraph::depth_type dth = 0;
 162         for (; it != end; ++it) {
 163                 it->write(buf, os, buf.params, dth);
 164         }
 165 }
 166
 167
 168 void InsetText::read(Buffer const & buf, LyXLex & lex)
 169 {
 170         string token;
 171         Paragraph::depth_type depth = 0;
 172
 173         clear(false);
 174
 175         if (buf.params.tracking_changes)
 176                 paragraphs.begin()->trackChanges();
 177
 178         // delete the initial paragraph
 179         paragraphs.clear();
 180         ParagraphList::iterator pit = paragraphs.begin();
 181
 182         while (lex.isOK()) {
 183                 lex.nextToken();
 184                 token = lex.getString();
 185                 if (token.empty())
 186                         continue;
 187                 if (token == "\\end_inset") {
 188                         break;
 189                 }
 190
 191                 if (token == "\\end_document") {
 192                         lex.printError("\\end_document read in inset! Error in document!");
 193                         return;
 194                 }
 195
 196                 // FIXME: ugly.
 197                 const_cast<Buffer&>(buf).readParagraph(lex, token, paragraphs, pit, depth);
 198         }
 199
 200         pit = paragraphs.begin();
 201         ParagraphList::iterator const end = paragraphs.end();
 202         for (; pit != end; ++pit)
 203                 pit->setInsetOwner(this);
 204
 205         if (token != "\\end_inset") {
 206                 lex.printError("Missing \\end_inset at this point. "
 207                                            "Read: `$$Token'");
 208         }
 209 }
 210
 211
 212 void InsetText::metrics(MetricsInfo & mi, Dimension & dim) const
 213 {
 214         //lyxerr << "InsetText::metrics: width: " << mi.base.textwidth << endl;
 215
 216         textwidth_ = mi.base.textwidth;
 217         BufferView * bv = mi.base.bv;
 218         setViewCache(bv);
 219         text_.metrics(mi, dim);
 220         dim.asc += TEXT_TO_INSET_OFFSET;
 221         dim.des += TEXT_TO_INSET_OFFSET;
 222         dim.wid += 2 * TEXT_TO_INSET_OFFSET;
 223         dim.wid = max(dim.wid, 10);
 224         dim_ = dim;
 225 }
 226
 227
 228 int InsetText::textWidth() const
 229 {
 230         return textwidth_;
 231 }
 232
 233
 234 void InsetText::draw(PainterInfo & pi, int x, int y) const
 235 {
 236         // update our idea of where we are. Clearly, we should
 237         // not have to know this information.
 238         top_x = x;
 239
 240         int const start_x = x;
 241
 242         BufferView * bv = pi.base.bv;
 243         Painter & pain = pi.pain;
 244
 245         // repaint the background if needed
 246         if (backgroundColor() != LColor::background)
 247                 clearInset(bv, start_x + TEXT_TO_INSET_OFFSET, y);
 248
 249         // no draw is necessary !!!
 250         if (drawFrame_ == LOCKED && !locked && paragraphs.begin()->empty()) {
 251                 top_baseline = y;
 252                 return;
 253         }
 254
 255         bv->hideCursor();
 256
 257         if (!owner())
 258                 x += scroll();
 259
 260         top_baseline = y;
 261         top_y = y - dim_.asc;
 262
 263         if (the_locking_inset && cpar() == inset_par && cpos() == inset_pos) {
 264                 inset_x = cx() - x + drawTextXOffset;
 265                 inset_y = cy() + drawTextYOffset;
 266         }
 267
 268         x += TEXT_TO_INSET_OFFSET;
 269
 270         paintTextInset(*bv, text_, x, y);
 271
 272         if (drawFrame_ == ALWAYS || (drawFrame_ == LOCKED && locked))
 273                 drawFrame(pain, start_x);
 274 }
 275
 276
 277 void InsetText::drawFrame(Painter & pain, int x) const
 278 {
 279         int const ttoD2 = TEXT_TO_INSET_OFFSET / 2;
 280         int const frame_x = x + ttoD2;
 281         int const frame_y = top_baseline - dim_.asc + ttoD2;
 282         int const frame_w = dim_.wid - TEXT_TO_INSET_OFFSET;
 283         int const frame_h = dim_.asc + dim_.des - TEXT_TO_INSET_OFFSET;
 284         pain.rectangle(frame_x, frame_y, frame_w, frame_h, frame_color);
 285 }
 286
 287
 288 void InsetText::updateLocal(BufferView * bv, bool /*mark_dirty*/)
 289 {
 290         if (!bv)
 291                 return;
 292
 293         if (!autoBreakRows && paragraphs.size() > 1)
 294                 collapseParagraphs(bv);
 295
 296         if (!text_.selection.set())
 297                 text_.selection.cursor = text_.cursor;
 298
 299         bv->fitCursor();
 300         bv->updateInset(this);
 301         bv->owner()->view_state_changed();
 302         bv->owner()->updateMenubar();
 303         bv->owner()->updateToolbar();
 304         if (old_par != cpar()) {
 305                 bv->owner()->setLayout(cpar()->layout()->name());
 306                 old_par = cpar();
 307         }
 308 }
 309
 310
 311 string const InsetText::editMessage() const
 312 {
 313         return _("Opened Text Inset");
 314 }
 315
 316
 317 void InsetText::insetUnlock(BufferView * bv)
 318 {
 319         if (the_locking_inset) {
 320                 the_locking_inset->insetUnlock(bv);
 321                 the_locking_inset = 0;
 322                 updateLocal(bv, false);
 323         }
 324         no_selection = true;
 325         locked = false;
 326
 327         if (text_.selection.set()) {
 328                 text_.clearSelection();
 329         } else if (owner()) {
 330                 bv->owner()->setLayout(owner()->getLyXText(bv)
 331                                        ->cursor.par()->layout()->name());
 332         } else
 333                 bv->owner()->setLayout(bv->text->cursor.par()->layout()->name());
 334         // hack for deleteEmptyParMech
 335         ParagraphList::iterator first_par = paragraphs.begin();
 336         if (!first_par->empty()) {
 337                 text_.setCursor(first_par, 0);
 338         } else if (paragraphs.size() > 1) {
 339                 text_.setCursor(boost::next(first_par), 0);
 340         }
 341 }
 342
 343
 344 void InsetText::lockInset(BufferView * bv)
 345 {
 346         locked = true;
 347         the_locking_inset = 0;
 348         inset_pos = inset_x = inset_y = 0;
 349         inset_boundary = false;
 350         inset_par = paragraphs.end();
 351         old_par = paragraphs.end();
 352         text_.setCursorIntern(paragraphs.begin(), 0);
 353         text_.clearSelection();
 354         finishUndo();
 355         // If the inset is empty set the language of the current font to the
 356         // language to the surronding text (if different).
 357         if (paragraphs.begin()->empty() && paragraphs.size() == 1 &&
 358                 bv->getParentLanguage(this) != text_.current_font.language()) {
 359                 LyXFont font(LyXFont::ALL_IGNORE);
 360                 font.setLanguage(bv->getParentLanguage(this));
 361                 setFont(bv, font, false);
 362         }
 363 }
 364
 365
 366 void InsetText::lockInset(BufferView * /*bv*/, UpdatableInset * inset)
 367 {
 368         the_locking_inset = inset;
 369         inset_x = cx() - top_x + drawTextXOffset;
 370         inset_y = cy() + drawTextYOffset;
 371         inset_pos = cpos();
 372         inset_par = cpar();
 373         inset_boundary = cboundary();
 374 }
 375
 376
 377 bool InsetText::lockInsetInInset(BufferView * bv, UpdatableInset * inset)
 378 {
 379         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 380                               << inset << "): " << endl;
 381         if (!inset)
 382                 return false;
 383         if (!the_locking_inset) {
 384                 ParagraphList::iterator pit = paragraphs.begin();
 385                 ParagraphList::iterator pend = paragraphs.end();
 386
 387                 int const id = inset->id();
 388                 for (; pit != pend; ++pit) {
 389                         InsetList::iterator it = pit->insetlist.begin();
 390                         InsetList::iterator const end = pit->insetlist.end();
 391                         for (; it != end; ++it) {
 392                                 if (it->inset == inset) {
 393                                         lyxerr << "InsetText::lockInsetInInset: 1 a" << endl;
 394                                         text_.setCursorIntern(pit, it->pos);
 395                                         lyxerr << "InsetText::lockInsetInInset: 1 b" << endl;
 396                                         lyxerr << "bv: " << bv << " inset: " << inset << endl;
 397                                         lockInset(bv, inset);
 398                                         lyxerr << "InsetText::lockInsetInInset: 1 c" << endl;
 399                                         return true;
 400                                 }
 401                                 if (it->inset->getInsetFromID(id)) {
 402                                         lyxerr << "InsetText::lockInsetInInset: 2" << endl;
 403                                         text_.setCursorIntern(pit, it->pos);
 404                                         it->inset->localDispatch(FuncRequest(bv, LFUN_INSET_EDIT));
 405                                         return the_locking_inset->lockInsetInInset(bv, inset);
 406                                 }
 407                         }
 408                 }
 409                 lyxerr << "InsetText::lockInsetInInset: 3" << endl;
 410                 return false;
 411         }
 412         if (inset == cpar()->getInset(cpos())) {
 413                 lyxerr[Debug::INSETS] << "OK" << endl;
 414                 lockInset(bv, inset);
 415                 return true;
 416         }
 417
 418         if (the_locking_inset && the_locking_inset == inset) {
 419                 if (cpar() == inset_par && cpos() == inset_pos) {
 420                         lyxerr[Debug::INSETS] << "OK" << endl;
 421                         inset_x = cx() - top_x + drawTextXOffset;
 422                         inset_y = cy() + drawTextYOffset;
 423                 } else {
 424                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 425                 }
 426         } else if (the_locking_inset) {
 427                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 428                 return the_locking_inset->lockInsetInInset(bv, inset);
 429         }
 430         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 431         return false;
 432 }
 433
 434
 435 bool InsetText::unlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 436                                    bool lr)
 437 {
 438         if (!the_locking_inset)
 439                 return false;
 440         if (the_locking_inset == inset) {
 441                 the_locking_inset->insetUnlock(bv);
 442                 the_locking_inset = 0;
 443                 if (lr)
 444                         moveRightIntern(bv, true, false);
 445                 old_par = paragraphs.end(); // force layout setting
 446                 if (scroll())
 447                         scroll(bv, 0.0F);
 448                 else
 449                         updateLocal(bv, false);
 450                 return true;
 451         }
 452         return the_locking_inset->unlockInsetInInset(bv, inset, lr);
 453 }
 454
 455
 456 void InsetText::lfunMousePress(FuncRequest const & cmd)
 457 {
 458         no_selection = true;
 459
 460         // use this to check mouse motion for selection!
 461         mouse_x = cmd.x;
 462         mouse_y = cmd.y;
 463
 464         BufferView * bv = cmd.view();
 465         FuncRequest cmd1 = cmd;
 466         cmd1.x -= inset_x;
 467         cmd1.y -= inset_y;
 468         if (!locked)
 469                 lockInset(bv);
 470
 471         int tmp_x = cmd.x - drawTextXOffset;
 472         int tmp_y = cmd.y + dim_.asc - bv->top_y();
 473         InsetOld * inset = getLyXText(bv)->checkInsetHit(tmp_x, tmp_y);
 474
 475         if (the_locking_inset) {
 476                 if (the_locking_inset == inset) {
 477                         the_locking_inset->localDispatch(cmd1);
 478                         return;
 479                 }
 480                 // otherwise only unlock the_locking_inset
 481                 the_locking_inset->insetUnlock(bv);
 482                 the_locking_inset = 0;
 483         }
 484         if (!inset)
 485                 no_selection = false;
 486
 487         if (bv->theLockingInset()) {
 488                 if (isHighlyEditableInset(inset)) {
 489                         // We just have to lock the inset before calling a
 490                         // PressEvent on it!
 491                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 492                         if (!bv->lockInset(uinset)) {
 493                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 494                         }
 495                         inset->localDispatch(cmd1);
 496                         if (the_locking_inset)
 497                                 updateLocal(bv, false);
 498                         return;
 499                 }
 500         }
 501         if (!inset) {
 502                 bool paste_internally = false;
 503                 if (cmd.button() == mouse_button::button2 && getLyXText(bv)->selection.set()) {
 504                         localDispatch(FuncRequest(bv, LFUN_COPY));
 505                         paste_internally = true;
 506                 }
 507                 int old_top_y = bv->top_y();
 508
 509                 text_.setCursorFromCoordinates(cmd.x - drawTextXOffset,
 510                                              cmd.y + dim_.asc);
 511                 // set the selection cursor!
 512                 text_.selection.cursor = text_.cursor;
 513                 text_.cursor.x_fix(text_.cursor.x());
 514
 515                 text_.clearSelection();
 516                 updateLocal(bv, false);
 517
 518                 bv->owner()->setLayout(cpar()->layout()->name());
 519
 520                 // we moved the view we cannot do mouse selection in this case!
 521                 if (bv->top_y() != old_top_y)
 522                         no_selection = true;
 523                 old_par = cpar();
 524                 // Insert primary selection with middle mouse
 525                 // if there is a local selection in the current buffer,
 526                 // insert this
 527                 if (cmd.button() == mouse_button::button2) {
 528                         if (paste_internally)
 529                                 localDispatch(FuncRequest(bv, LFUN_PASTE));
 530                         else
 531                                 localDispatch(FuncRequest(bv, LFUN_PASTESELECTION, "paragraph"));
 532                 }
 533         } else {
 534                 getLyXText(bv)->clearSelection();
 535         }
 536 }
 537
 538
 539 bool InsetText::lfunMouseRelease(FuncRequest const & cmd)
 540 {
 541         BufferView * bv = cmd.view();
 542         FuncRequest cmd1 = cmd;
 543         cmd1.x -= inset_x;
 544         cmd1.y -= inset_y;
 545
 546         no_selection = true;
 547         if (the_locking_inset)
 548                 return the_locking_inset->localDispatch(cmd1);
 549
 550         int tmp_x = cmd.x - drawTextXOffset;
 551         int tmp_y = cmd.y + dim_.asc - bv->top_y();
 552         InsetOld * inset = getLyXText(bv)->checkInsetHit(tmp_x, tmp_y);
 553         bool ret = false;
 554         if (inset) {
 555 // This code should probably be removed now. Simple insets
 556 // (!highlyEditable) can actually take the localDispatch,
 557 // and turn it into edit() if necessary. But we still
 558 // need to deal properly with the whole relative vs.
 559 // absolute mouse co-ords thing in a realiable, sensible way
 560 #if 0
 561                 if (isHighlyEditableInset(inset))
 562                         ret = inset->localDispatch(cmd1);
 563                 else {
 564                         inset_x = cx(bv) - top_x + drawTextXOffset;
 565                         inset_y = cy() + drawTextYOffset;
 566                         cmd1.x = cmd.x - inset_x;
 567                         cmd1.y = cmd.x - inset_y;
 568                         inset->edit(bv, cmd1.x, cmd1.y, cmd.button());
 569                         ret = true;
 570                 }
 571 #endif
 572                 ret = inset->localDispatch(cmd1);
 573                 updateLocal(bv, false);
 574
 575         }
 576         return ret;
 577 }
 578
 579
 580 void InsetText::lfunMouseMotion(FuncRequest const & cmd)
 581 {
 582         FuncRequest cmd1 = cmd;
 583         cmd1.x -= inset_x;
 584         cmd1.y -= inset_y;
 585
 586         if (the_locking_inset) {
 587                 the_locking_inset->localDispatch(cmd1);
 588                 return;
 589         }
 590
 591         if (no_selection || (mouse_x == cmd.x && mouse_y == cmd.y))
 592                 return;
 593
 594         BufferView * bv = cmd.view();
 595         LyXCursor cur = text_.cursor;
 596         text_.setCursorFromCoordinates
 597                 (cmd.x - drawTextXOffset, cmd.y + dim_.asc);
 598         text_.cursor.x_fix(text_.cursor.x());
 599         if (cur == text_.cursor)
 600                 return;
 601         text_.setSelection();
 602         updateLocal(bv, false);
 603 }
 604
 605
 606 InsetOld::RESULT InsetText::localDispatch(FuncRequest const & cmd)
 607 {
 608         BufferView * bv = cmd.view();
 609         setViewCache(bv);
 610
 611         switch (cmd.action) {
 612         case LFUN_INSET_EDIT: {
 613                 UpdatableInset::localDispatch(cmd);
 614
 615                 if (!bv->lockInset(this)) {
 616                         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 617                         return DISPATCHED;
 618                 }
 619
 620                 locked = true;
 621                 the_locking_inset = 0;
 622                 inset_pos = 0;
 623                 inset_x = 0;
 624                 inset_y = 0;
 625                 inset_boundary = false;
 626                 inset_par = paragraphs.end();
 627                 old_par = paragraphs.end();
 628
 629
 630                 if (cmd.argument.size()) {
 631                         if (cmd.argument == "left")
 632                                 text_.setCursorIntern(paragraphs.begin(), 0);
 633                         else {
 634                                 ParagraphList::iterator it = boost::prior(paragraphs.end());
 635                                 text_.setCursor(it, it->size());
 636                         }
 637                 } else {
 638                         int tmp_y = (cmd.y < 0) ? 0 : cmd.y;
 639                         // we put here -1 and not button as now the button in the
 640                         // edit call should not be needed we will fix this in 1.3.x
 641                         // cycle hopefully (Jug 20020509)
 642                         // FIXME: GUII I've changed this to none: probably WRONG
 643                         if (!checkAndActivateInset(bv, cmd.x, tmp_y, mouse_button::none)) {
 644                                 text_.setCursorFromCoordinates(cmd.x - drawTextXOffset,
 645                                                                         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(std::vector<string> & list) const
1332 {
1333         ParagraphList::const_iterator pit = paragraphs.begin();
1334         ParagraphList::const_iterator pend = paragraphs.end();
1335         for (; pit != pend; ++pit) {
1336                 InsetList::const_iterator beg = pit->insetlist.begin();
1337                 InsetList::const_iterator end = pit->insetlist.end();
1338                 for (; beg != end; ++beg)
1339                         beg->inset->getLabelList(list);
1340         }
1341 }
1342
1343
1344 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
1345                         bool selectall)
1346 {
1347         if (the_locking_inset) {
1348                 the_locking_inset->setFont(bv, font, toggleall, selectall);
1349                 return;
1350         }
1351
1352         if ((paragraphs.size() == 1 && paragraphs.begin()->empty())
1353             || cpar()->empty()) {
1354                 text_.setFont(font, toggleall);
1355                 return;
1356         }
1357
1358
1359         if (text_.selection.set())
1360                 recordUndo(bv, Undo::ATOMIC, text_.cursor.par());
1361
1362         if (selectall) {
1363                 text_.cursorTop();
1364                 text_.selection.cursor = text_.cursor;
1365                 text_.cursorBottom();
1366                 text_.setSelection();
1367         }
1368
1369         text_.toggleFree(font, toggleall);
1370
1371         if (selectall)
1372                 text_.clearSelection();
1373
1374         bv->fitCursor();
1375         updateLocal(bv, true);
1376 }
1377
1378
1379 bool InsetText::checkAndActivateInset(BufferView * bv, bool front)
1380 {
1381         if (cpos() == cpar()->size())
1382                 return false;
1383         InsetOld * inset = cpar()->getInset(cpos());
1384         if (!isHighlyEditableInset(inset))
1385                 return false;
1386         FuncRequest cmd(bv, LFUN_INSET_EDIT, front ? "left" : "right");
1387         inset->localDispatch(cmd);
1388         if (!the_locking_inset)
1389                 return false;
1390         updateLocal(bv, false);
1391         return true;
1392 }
1393
1394
1395 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1396                                       mouse_button::state button)
1397 {
1398         x -= drawTextXOffset;
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 + drawTextXOffset;
1417         inset_y = cy() + drawTextYOffset;
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 void InsetText::setFrameColor(LColor::color col)
1467 {
1468         frame_color = col;
1469 }
1470
1471
1472 int InsetText::cx() const
1473 {
1474         int x = text_.cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1475         if (the_locking_inset) {
1476                 LyXFont font = text_.getFont(text_.cursor.par(), text_.cursor.pos());
1477                 if (font.isVisibleRightToLeft())
1478                         x -= the_locking_inset->width();
1479         }
1480         return x;
1481 }
1482
1483
1484 int InsetText::cy() const
1485 {
1486         return text_.cursor.y() - dim_.asc + TEXT_TO_INSET_OFFSET;
1487 }
1488
1489
1490 pos_type InsetText::cpos() const
1491 {
1492         return text_.cursor.pos();
1493 }
1494
1495
1496 ParagraphList::iterator InsetText::cpar() const
1497 {
1498         return text_.cursor.par();
1499 }
1500
1501
1502 bool InsetText::cboundary() const
1503 {
1504         return text_.cursor.boundary();
1505 }
1506
1507
1508 RowList::iterator InsetText::crow() const
1509 {
1510         return text_.cursorRow();
1511 }
1512
1513
1514 LyXText * InsetText::getLyXText(BufferView const * bv,
1515                                 bool const recursive) const
1516 {
1517         setViewCache(bv);
1518         if (recursive && the_locking_inset)
1519                 return the_locking_inset->getLyXText(bv, true);
1520         return &text_;
1521 }
1522
1523
1524 void InsetText::setViewCache(BufferView const * bv) const
1525 {
1526         if (bv) {
1527                 if (bv != text_.bv_owner) {
1528                         //lyxerr << "setting view cache from "
1529                         //      << text_.bv_owner << " to " << bv << "\n";
1530                         text_.init(const_cast<BufferView *>(bv));
1531                 }
1532                 text_.bv_owner = const_cast<BufferView *>(bv);
1533         }
1534 }
1535
1536
1537 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1538 {
1539         if (recursive) {
1540                 /// then remove all LyXText in text-insets
1541                 for_each(const_cast<ParagraphList&>(paragraphs).begin(),
1542                          const_cast<ParagraphList&>(paragraphs).end(),
1543                          boost::bind(&Paragraph::deleteInsetsLyXText, _1, bv));
1544         }
1545 }
1546
1547
1548 void InsetText::removeNewlines()
1549 {
1550         ParagraphList::iterator it = paragraphs.begin();
1551         ParagraphList::iterator end = paragraphs.end();
1552         for (; it != end; ++it)
1553                 for (int i = 0; i < it->size(); ++i)
1554                         if (it->isNewline(i))
1555                                 it->erase(i);
1556 }
1557
1558
1559 int InsetText::scroll(bool recursive) const
1560 {
1561         int sx = UpdatableInset::scroll(false);
1562
1563         if (recursive && the_locking_inset)
1564                 sx += the_locking_inset->scroll(recursive);
1565
1566         return sx;
1567 }
1568
1569
1570 void InsetText::clearSelection(BufferView *)
1571 {
1572         text_.clearSelection();
1573 }
1574
1575
1576 void InsetText::clearInset(BufferView * bv, int start_x, int baseline) const
1577 {
1578         Painter & pain = bv->painter();
1579         int w = dim_.wid;
1580         int h = dim_.asc + dim_.des;
1581         int ty = baseline - dim_.asc;
1582
1583         if (ty < 0) {
1584                 h += ty;
1585                 ty = 0;
1586         }
1587         if (ty + h > pain.paperHeight())
1588                 h = pain.paperHeight();
1589         if (top_x + drawTextXOffset + w > pain.paperWidth())
1590                 w = pain.paperWidth();
1591         pain.fillRectangle(start_x + 1, ty + 1, w - 3, h - 1, backgroundColor());
1592 }
1593
1594
1595 ParagraphList * InsetText::getParagraphs(int i) const
1596 {
1597         return (i == 0) ? const_cast<ParagraphList*>(&paragraphs) : 0;
1598 }
1599
1600
1601 LyXCursor const & InsetText::cursor(BufferView * bv) const
1602 {
1603         if (the_locking_inset)
1604                 return the_locking_inset->cursor(bv);
1605         return getLyXText(bv)->cursor;
1606 }
1607
1608
1609 InsetOld * InsetText::getInsetFromID(int id_arg) const
1610 {
1611         if (id_arg == id())
1612                 return const_cast<InsetText *>(this);
1613
1614         ParagraphList::const_iterator pit = paragraphs.begin();
1615         ParagraphList::const_iterator pend = paragraphs.end();
1616         for (; pit != pend; ++pit) {
1617                 InsetList::const_iterator it = pit->insetlist.begin();
1618                 InsetList::const_iterator end = pit->insetlist.end();
1619                 for (; it != end; ++it) {
1620                         if (it->inset->id() == id_arg)
1621                                 return it->inset;
1622                         InsetOld * in = it->inset->getInsetFromID(id_arg);
1623                         if (in)
1624                                 return in;
1625                 }
1626         }
1627         return 0;
1628 }
1629
1630
1631 WordLangTuple const
1632 InsetText::selectNextWordToSpellcheck(BufferView * bv, float & value) const
1633 {
1634         WordLangTuple word;
1635         if (the_locking_inset) {
1636                 word = the_locking_inset->selectNextWordToSpellcheck(bv, value);
1637                 if (!word.word().empty()) {
1638                         value += cy();
1639                         return word;
1640                 }
1641                 // we have to go on checking so move cursor to the next char
1642                 text_.cursor.pos(text_.cursor.pos() + 1);
1643         }
1644         word = text_.selectNextWordToSpellcheck(value);
1645         if (word.word().empty())
1646                 bv->unlockInset(const_cast<InsetText *>(this));
1647         else
1648                 value = cy();
1649         return word;
1650 }
1651
1652
1653 void InsetText::selectSelectedWord(BufferView * bv)
1654 {
1655         if (the_locking_inset) {
1656                 the_locking_inset->selectSelectedWord(bv);
1657                 return;
1658         }
1659         getLyXText(bv)->selectSelectedWord();
1660         updateLocal(bv, false);
1661 }
1662
1663
1664 bool InsetText::nextChange(BufferView * bv, lyx::pos_type & length)
1665 {
1666         if (the_locking_inset) {
1667                 if (the_locking_inset->nextChange(bv, length))
1668                         return true;
1669                 text_.cursorRight(true);
1670         }
1671         lyx::find::SearchResult result =
1672                 lyx::find::findNextChange(bv, &text_, length);
1673
1674         if (result == lyx::find::SR_FOUND) {
1675                 LyXCursor cur = text_.cursor;
1676                 bv->unlockInset(bv->theLockingInset());
1677                 if (bv->lockInset(this))
1678                         locked = true;
1679                 text_.cursor = cur;
1680                 text_.setSelectionRange(length);
1681                 updateLocal(bv, false);
1682         }
1683         return result != lyx::find::SR_NOT_FOUND;
1684 }
1685
1686
1687 bool InsetText::searchForward(BufferView * bv, string const & str,
1688                               bool cs, bool mw)
1689 {
1690         if (the_locking_inset) {
1691                 if (the_locking_inset->searchForward(bv, str, cs, mw))
1692                         return true;
1693                 text_.cursorRight(true);
1694         }
1695         lyx::find::SearchResult result =
1696                 lyx::find::find(bv, &text_, str, true, cs, mw);
1697
1698         if (result == lyx::find::SR_FOUND) {
1699                 LyXCursor cur = text_.cursor;
1700                 bv->unlockInset(bv->theLockingInset());
1701                 if (bv->lockInset(this))
1702                         locked = true;
1703                 text_.cursor = cur;
1704                 text_.setSelectionRange(str.length());
1705                 updateLocal(bv, false);
1706         }
1707         return result != lyx::find::SR_NOT_FOUND;
1708 }
1709
1710
1711 bool InsetText::searchBackward(BufferView * bv, string const & str,
1712                                bool cs, bool mw)
1713 {
1714         if (the_locking_inset) {
1715                 if (the_locking_inset->searchBackward(bv, str, cs, mw))
1716                         return true;
1717         }
1718         if (!locked) {
1719                 ParagraphList::iterator pit = boost::prior(paragraphs.end());
1720                 text_.setCursor(pit, pit->size());
1721         }
1722         lyx::find::SearchResult result =
1723                 lyx::find::find(bv, &text_, str, false, cs, mw);
1724
1725         if (result == lyx::find::SR_FOUND) {
1726                 LyXCursor cur = text_.cursor;
1727                 bv->unlockInset(bv->theLockingInset());
1728                 if (bv->lockInset(this))
1729                         locked = true;
1730                 text_.cursor = cur;
1731                 text_.setSelectionRange(str.length());
1732                 updateLocal(bv, false);
1733         }
1734         return result != lyx::find::SR_NOT_FOUND;
1735 }
1736
1737
1738 bool InsetText::checkInsertChar(LyXFont & font)
1739 {
1740         return owner() ? owner()->checkInsertChar(font) : true;
1741 }
1742
1743
1744 void InsetText::collapseParagraphs(BufferView * bv)
1745 {
1746         while (paragraphs.size() > 1) {
1747                 ParagraphList::iterator first_par = paragraphs.begin();
1748                 ParagraphList::iterator next_par = boost::next(first_par);
1749                 size_t const first_par_size = first_par->size();
1750
1751                 if (!first_par->empty() &&
1752                     !next_par->empty() &&
1753                     !first_par->isSeparator(first_par_size - 1)) {
1754                         first_par->insertChar(first_par_size, ' ');
1755                 }
1756
1757                 if (text_.selection.set()) {
1758                         if (text_.selection.start.par() == next_par) {
1759                                 text_.selection.start.par(first_par);
1760                                 text_.selection.start.pos(
1761                                         text_.selection.start.pos() + first_par_size);
1762                         }
1763                         if (text_.selection.end.par() == next_par) {
1764                                 text_.selection.end.par(first_par);
1765                                 text_.selection.end.pos(
1766                                         text_.selection.end.pos() + first_par_size);
1767                         }
1768                 }
1769
1770                 mergeParagraph(bv->buffer()->params, paragraphs, first_par);
1771         }
1772 }
1773
1774
1775 void InsetText::getDrawFont(LyXFont & font) const
1776 {
1777         if (!owner())
1778                 return;
1779         owner()->getDrawFont(font);
1780 }
1781
1782
1783 void InsetText::appendParagraphs(Buffer * buffer, ParagraphList & plist)
1784 {
1785 #warning FIXME Check if Changes stuff needs changing here. (Lgb)
1786 // And it probably does. You have to take a look at this John. (Lgb)
1787 #warning John, have a look here. (Lgb)
1788         ParagraphList::iterator pit = plist.begin();
1789         ParagraphList::iterator ins = paragraphs.insert(paragraphs.end(), *pit);
1790         ++pit;
1791         mergeParagraph(buffer->params, paragraphs, boost::prior(ins));
1792
1793         ParagraphList::iterator pend = plist.end();
1794         for (; pit != pend; ++pit)
1795                 paragraphs.push_back(*pit);
1796 }
1797
1798
1799 void InsetText::addPreview(PreviewLoader & loader) const
1800 {
1801         ParagraphList::const_iterator pit = paragraphs.begin();
1802         ParagraphList::const_iterator pend = paragraphs.end();
1803
1804         for (; pit != pend; ++pit) {
1805                 InsetList::const_iterator it  = pit->insetlist.begin();
1806                 InsetList::const_iterator end = pit->insetlist.end();
1807                 for (; it != end; ++it)
1808                         it->inset->addPreview(loader);
1809         }
1810 }