src/insets/insettext.C

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