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