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