src/insets/insettext.C

   1 /**
   2  * \file insettext.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Jürgen Vigna
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "insettext.h"
  14 #include "insetnewline.h"
  15
  16 #include "buffer.h"
  17 #include "bufferparams.h"
  18 #include "BufferView.h"
  19 #include "CutAndPaste.h"
  20 #include "cursor.h"
  21 #include "debug.h"
  22 #include "dispatchresult.h"
  23 #include "errorlist.h"
  24 #include "funcrequest.h"
  25 #include "gettext.h"
  26 #include "intl.h"
  27 #include "LColor.h"
  28 #include "lyxfind.h"
  29 #include "lyxlex.h"
  30 #include "lyxrc.h"
  31 #include "lyxtext.h"
  32 #include "metricsinfo.h"
  33 #include "output_docbook.h"
  34 #include "output_latex.h"
  35 #include "output_linuxdoc.h"
  36 #include "output_plaintext.h"
  37 #include "paragraph.h"
  38 #include "paragraph_funcs.h"
  39 #include "ParagraphParameters.h"
  40 #include "rowpainter.h"
  41 #include "sgml.h"
  42 #include "texrow.h"
  43 #include "undo.h"
  44
  45 #include "frontends/Alert.h"
  46 #include "frontends/font_metrics.h"
  47 #include "frontends/LyXView.h"
  48 #include "frontends/Painter.h"
  49
  50 #include "support/lyxalgo.h" // lyx::count
  51
  52 #include <boost/bind.hpp>
  53
  54 using bv_funcs::replaceSelection;
  55
  56 using lyx::pos_type;
  57
  58 using lyx::graphics::PreviewLoader;
  59
  60 using lyx::support::isStrUnsignedInt;
  61 using lyx::support::strToUnsignedInt;
  62
  63 using std::endl;
  64 using std::for_each;
  65 using std::max;
  66 using std::string;
  67 using std::auto_ptr;
  68 using std::ostream;
  69 using std::vector;
  70
  71
  72 InsetText::InsetText(BufferParams const & bp)
  73         : UpdatableInset(),
  74           paragraphs(1),
  75           autoBreakRows_(false),
  76           drawFrame_(NEVER),
  77           frame_color_(LColor::insetframe),
  78           text_(0, this, true, paragraphs)
  79 {
  80         textwidth_ = 0; // broken
  81         paragraphs.begin()->layout(bp.getLyXTextClass().defaultLayout());
  82         if (bp.tracking_changes)
  83                 paragraphs.begin()->trackChanges();
  84         init();
  85 }
  86
  87
  88 InsetText::InsetText(InsetText const & in)
  89         : UpdatableInset(in),
  90           text_(in.text_.bv_owner, this, true, paragraphs)
  91 {
  92         // this is ugly...
  93         operator=(in);
  94 }
  95
  96
  97 void InsetText::operator=(InsetText const & in)
  98 {
  99         UpdatableInset::operator=(in);
 100         paragraphs = in.paragraphs;
 101         autoBreakRows_ = in.autoBreakRows_;
 102         drawFrame_ = in.drawFrame_;
 103         frame_color_ = in.frame_color_;
 104         textwidth_ = in.textwidth_;
 105         text_ = LyXText(in.text_.bv_owner, this, true, paragraphs);
 106         init();
 107 }
 108
 109
 110 void InsetText::init()
 111 {
 112         ParagraphList::iterator pit = paragraphs.begin();
 113         ParagraphList::iterator end = paragraphs.end();
 114         for (; pit != end; ++pit)
 115                 pit->setInsetOwner(this);
 116         text_.paragraphs_ = &paragraphs;
 117         no_selection = true;
 118         old_par = -1;
 119         in_insetAllowed = false;
 120         mouse_x = 0;
 121         mouse_y = 0;
 122 }
 123
 124
 125 void InsetText::clear(bool just_mark_erased)
 126 {
 127         if (just_mark_erased) {
 128                 ParagraphList::iterator it = paragraphs.begin();
 129                 ParagraphList::iterator end = paragraphs.end();
 130                 for (; it != end; ++it)
 131                         it->markErased();
 132                 return;
 133         }
 134
 135         // This is a gross hack...
 136         LyXLayout_ptr old_layout = paragraphs.begin()->layout();
 137
 138         paragraphs.clear();
 139         paragraphs.push_back(Paragraph());
 140         paragraphs.begin()->setInsetOwner(this);
 141         paragraphs.begin()->layout(old_layout);
 142 }
 143
 144
 145 auto_ptr<InsetBase> InsetText::clone() const
 146 {
 147         return auto_ptr<InsetBase>(new InsetText(*this));
 148 }
 149
 150
 151 void InsetText::write(Buffer const & buf, ostream & os) const
 152 {
 153         os << "Text\n";
 154         writeParagraphData(buf, os);
 155 }
 156
 157
 158 void InsetText::writeParagraphData(Buffer const & buf, ostream & os) const
 159 {
 160         ParagraphList::const_iterator it = paragraphs.begin();
 161         ParagraphList::const_iterator end = paragraphs.end();
 162         Paragraph::depth_type dth = 0;
 163         for (; it != end; ++it) {
 164                 it->write(buf, os, buf.params(), dth);
 165         }
 166 }
 167
 168
 169 void InsetText::read(Buffer const & buf, LyXLex & lex)
 170 {
 171         string token;
 172         Paragraph::depth_type depth = 0;
 173
 174         clear(false);
 175
 176 #warning John, look here. Doesnt make much sense.
 177         if (buf.params().tracking_changes)
 178                 paragraphs.begin()->trackChanges();
 179
 180         // delete the initial paragraph
 181         Paragraph oldpar = *paragraphs.begin();
 182         paragraphs.clear();
 183         ParagraphList::iterator pit = paragraphs.begin();
 184
 185         while (lex.isOK()) {
 186                 lex.nextToken();
 187                 token = lex.getString();
 188                 if (token.empty())
 189                         continue;
 190                 if (token == "\\end_inset") {
 191                         break;
 192                 }
 193
 194                 if (token == "\\end_document") {
 195                         lex.printError("\\end_document read in inset! Error in document!");
 196                         return;
 197                 }
 198
 199                 // FIXME: ugly.
 200                 const_cast<Buffer&>(buf).readParagraph(lex, token, paragraphs, pit, depth);
 201         }
 202
 203         pit = paragraphs.begin();
 204         ParagraphList::iterator const end = paragraphs.end();
 205         for (; pit != end; ++pit)
 206                 pit->setInsetOwner(this);
 207
 208         if (token != "\\end_inset") {
 209                 lex.printError("Missing \\end_inset at this point. "
 210                                            "Read: `$$Token'");
 211         }
 212
 213         // sanity check
 214         // ensure we have at least one par.
 215         if (paragraphs.empty())
 216                 paragraphs.push_back(oldpar);
 217 }
 218
 219
 220 void InsetText::metrics(MetricsInfo & mi, Dimension & dim) const
 221 {
 222         //lyxerr << "InsetText::metrics: width: " << mi.base.textwidth << endl;
 223         textwidth_ = max(40, mi.base.textwidth - 30);
 224         BufferView * bv = mi.base.bv;
 225         setViewCache(bv);
 226         text_.metrics(mi, dim);
 227         dim.asc += TEXT_TO_INSET_OFFSET;
 228         dim.des += TEXT_TO_INSET_OFFSET;
 229         dim.wid += 2 * TEXT_TO_INSET_OFFSET;
 230         dim_ = dim;
 231 }
 232
 233
 234 int InsetText::textWidth() const
 235 {
 236         return textwidth_;
 237 }
 238
 239
 240 void InsetText::draw(PainterInfo & pi, int x, int y) const
 241 {
 242         // update our idea of where we are. Clearly, we should
 243         // not have to know this information.
 244         xo_ = x;
 245         yo_ = y;
 246
 247         int const start_x = x;
 248
 249         BufferView * bv = pi.base.bv;
 250         Painter & pain = pi.pain;
 251
 252         // repaint the background if needed
 253         if (backgroundColor() != LColor::background)
 254                 clearInset(bv, start_x + TEXT_TO_INSET_OFFSET, y);
 255
 256         bv->hideCursor();
 257
 258         if (!owner())
 259                 x += scroll();
 260
 261         x += TEXT_TO_INSET_OFFSET;
 262
 263         paintTextInset(*bv, text_, x, y);
 264
 265         if (drawFrame_ == ALWAYS || drawFrame_ == LOCKED)
 266                 drawFrame(pain, start_x);
 267 }
 268
 269
 270 void InsetText::drawFrame(Painter & pain, int x) const
 271 {
 272         int const ttoD2 = TEXT_TO_INSET_OFFSET / 2;
 273         int const frame_x = x + ttoD2;
 274         int const frame_y = yo_ - dim_.asc + ttoD2;
 275         int const frame_w = dim_.wid - TEXT_TO_INSET_OFFSET;
 276         int const frame_h = dim_.asc + dim_.des - TEXT_TO_INSET_OFFSET;
 277         pain.rectangle(frame_x, frame_y, frame_w, frame_h, frameColor());
 278 }
 279
 280
 281 void InsetText::updateLocal(BufferView * bv, bool /*mark_dirty*/)
 282 {
 283         if (!bv)
 284                 return;
 285
 286         if (!autoBreakRows_ && paragraphs.size() > 1)
 287                 collapseParagraphs(bv);
 288
 289         if (!text_.selection.set())
 290                 text_.selection.cursor = text_.cursor;
 291
 292 //      bv->fitCursor();
 293         bv->owner()->view_state_changed();
 294         bv->owner()->updateMenubar();
 295         bv->owner()->updateToolbar();
 296         if (old_par != text_.cursor.par()) {
 297                 bv->owner()->setLayout(cpar()->layout()->name());
 298                 old_par = text_.cursor.par();
 299         }
 300 }
 301
 302
 303 string const InsetText::editMessage() const
 304 {
 305         return _("Opened Text Inset");
 306 }
 307
 308
 309 void InsetText::sanitizeEmptyText(BufferView * bv)
 310 {
 311         if (paragraphs.size() == 1
 312                         && paragraphs.begin()->empty()
 313                         && bv->getParentLanguage(this) != text_.current_font.language()) {
 314                 LyXFont font(LyXFont::ALL_IGNORE);
 315                 font.setLanguage(bv->getParentLanguage(this));
 316                 setFont(bv, font, false);
 317         }
 318 }
 319
 320
 321 extern LCursor theTempCursor;
 322
 323 void InsetText::lfunMousePress(FuncRequest const & cmd)
 324 {
 325         lyxerr << "InsetText::lfunMousePress, inset: " << this << endl;
 326         no_selection = true;
 327
 328         // use this to check mouse motion for selection
 329         mouse_x = cmd.x;
 330         mouse_y = cmd.y;
 331
 332         BufferView * bv = cmd.view();
 333         no_selection = false;
 334         text_.clearSelection();
 335
 336         // set global cursor
 337         bv->cursor() = theTempCursor;
 338         lyxerr << "new global cursor: \n" << bv->cursor() << endl;
 339         text_.setCursorFromCoordinates(cmd.x, cmd.y);
 340 }
 341
 342
 343 void InsetText::lfunMouseMotion(FuncRequest const & cmd)
 344 {
 345         lyxerr << "InsetText::lfunMouseMotion, inset: " << this << endl;
 346         if (no_selection || (mouse_x == cmd.x && mouse_y == cmd.y))
 347                 return;
 348
 349         BufferView * bv = cmd.view();
 350         LyXCursor cur = text_.cursor;
 351         text_.setCursorFromCoordinates(cmd.x, cmd.y + dim_.asc);
 352         bv->x_target(text_.cursor.x());
 353         if (cur != text_.cursor) {
 354                 text_.setSelection();
 355                 updateLocal(bv, false);
 356         }
 357 }
 358
 359
 360 void InsetText::lfunMouseRelease(FuncRequest const &)
 361 {
 362         lyxerr << "InsetText::lfunMouseRelease, inset: " << this << endl;
 363         no_selection = true;
 364 }
 365
 366
 367 void InsetText::edit(BufferView * bv, bool left)
 368 {
 369         lyxerr << "InsetText: edit left/right" << endl;
 370         setViewCache(bv);
 371
 372         old_par = -1;
 373
 374         if (left)
 375                 text_.setCursorIntern(0, 0);
 376         else
 377                 text_.setCursor(paragraphs.size() - 1, paragraphs.back().size());
 378
 379         sanitizeEmptyText(bv);
 380         updateLocal(bv, false);
 381         bv->updateParagraphDialog();
 382 }
 383
 384
 385 void InsetText::edit(BufferView * bv, int x, int y)
 386 {
 387         lyxerr << "InsetText::edit xy" << endl;
 388         old_par = -1;
 389         sanitizeEmptyText(bv);
 390         text_.setCursorFromCoordinates(x, y + dim_.asc);
 391         text_.cursor.x(text_.cursor.x());
 392         bv->x_target(text_.cursor.x());
 393
 394         text_.clearSelection();
 395         finishUndo();
 396
 397         updateLocal(bv, false);
 398         bv->updateParagraphDialog();
 399 }
 400
 401
 402 DispatchResult InsetText::priv_dispatch(FuncRequest const & cmd,
 403         idx_type &, pos_type &)
 404 {
 405         lyxerr << "InsetText::priv_dispatch (begin), act: "
 406                 << cmd.action << " " << endl;
 407         BufferView * bv = cmd.view();
 408         setViewCache(bv);
 409         DispatchResult result;
 410         result.dispatched(true);
 411
 412         bool was_empty = paragraphs.begin()->empty() && paragraphs.size() == 1;
 413         if (cmd.action != LFUN_MOUSE_PRESS
 414                         && cmd.action != LFUN_MOUSE_MOTION
 415                         && cmd.action != LFUN_MOUSE_RELEASE)
 416                 no_selection = false;
 417
 418         switch (cmd.action) {
 419         case LFUN_MOUSE_PRESS:
 420                 lfunMousePress(cmd);
 421                 result = DispatchResult(true, true);
 422                 break;
 423
 424         case LFUN_MOUSE_MOTION:
 425                 lfunMouseMotion(cmd);
 426                 result = DispatchResult(true, true);
 427                 break;
 428
 429         case LFUN_MOUSE_RELEASE:
 430                 lfunMouseRelease(cmd);
 431                 result = DispatchResult(true, true);
 432                 break;
 433
 434         case LFUN_SELFINSERT:
 435                 if (bv->buffer()->isReadonly()) {
 436                         // setErrorMessage(N_("Document is read only"));
 437                         break;
 438                 }
 439                 if (!cmd.argument.empty()) {
 440                         /* Automatically delete the currently selected
 441                          * text and replace it with what is being
 442                          * typed in now. Depends on lyxrc settings
 443                          * "auto_region_delete", which defaults to
 444                          * true (on). */
 445 #if 0
 446                         // This should not be needed here and is also WRONG!
 447                         recordUndo(bv, Undo::INSERT, text_.cursorPar());
 448 #endif
 449                         bv->switchKeyMap();
 450
 451                         if (lyxrc.auto_region_delete && text_.selection.set())
 452                                 text_.cutSelection(false, false);
 453                         text_.clearSelection();
 454
 455                         for (string::size_type i = 0; i < cmd.argument.length(); ++i)
 456                                 bv->owner()->getIntl().getTransManager().
 457                                         TranslateAndInsert(cmd.argument[i], &text_);
 458                 }
 459                 text_.selection.cursor = text_.cursor;
 460                 result.dispatched(true);
 461                 result.update(true);
 462                 break;
 463
 464         case LFUN_RIGHT:
 465                 result = moveRight(bv);
 466                 finishUndo();
 467                 break;
 468
 469         case LFUN_LEFT:
 470                 finishUndo();
 471                 result = moveLeft(bv);
 472                 break;
 473
 474         case LFUN_DOWN:
 475                 finishUndo();
 476                 result = moveDown(bv);
 477                 break;
 478
 479         case LFUN_UP:
 480                 finishUndo();
 481                 result = moveUp(bv);
 482                 break;
 483
 484         case LFUN_PRIOR:
 485                 if (crow() == text_.firstRow()) {
 486                         result.val(FINISHED_UP);
 487                 } else {
 488                         text_.cursorPrevious();
 489                         text_.clearSelection();
 490                         result.dispatched(true);
 491                 }
 492                 break;
 493
 494         case LFUN_NEXT:
 495                 if (crow() == text_.lastRow()) {
 496                         result.val(FINISHED_DOWN);
 497                 } else {
 498                         text_.cursorNext();
 499                         text_.clearSelection();
 500                         result.dispatched(true);
 501                 }
 502                 break;
 503
 504         case LFUN_BACKSPACE:
 505                 if (text_.selection.set())
 506                         text_.cutSelection(true, false);
 507                 else
 508                         text_.backspace();
 509 #warning should be also set dispatched here?
 510                 result.update(true);
 511                 break;
 512
 513         case LFUN_DELETE:
 514                 if (text_.selection.set())
 515                         text_.cutSelection(true, false);
 516                 else
 517                         text_.Delete();
 518 #warning should be also set dispatched here?
 519                 result.update(true);
 520                 break;
 521
 522         case LFUN_BREAKPARAGRAPH:
 523                 if (!autoBreakRows_) {
 524                         result.dispatched(true);
 525                         result.update(true);
 526                 } else {
 527                         replaceSelection(bv->getLyXText());
 528                         text_.breakParagraph(paragraphs, 0);
 529 #warning should be also set dispatched here?
 530                         result.update(true);
 531                 }
 532                 break;
 533
 534         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 535                 if (!autoBreakRows_) {
 536                         result.dispatched(true);
 537                         result.update(true);
 538                 } else {
 539                         replaceSelection(bv->getLyXText());
 540                         text_.breakParagraph(paragraphs, 1);
 541 #warning should be also set dispatched here?
 542                         result.update(true);
 543                 }
 544                 break;
 545
 546         case LFUN_BREAKLINE: {
 547                 if (!autoBreakRows_) {
 548                         result.dispatched(true);
 549                         result.update(true);
 550                 } else {
 551                         replaceSelection(bv->getLyXText());
 552                         auto_ptr<InsetNewline> ins(new InsetNewline);
 553                         text_.insertInset(ins.release());
 554 #warning should be also set dispatched here?
 555                         result.update(true);
 556                 }
 557                 break;
 558         }
 559
 560         case LFUN_LAYOUT:
 561                 // do not set layouts on non breakable textinsets
 562                 if (autoBreakRows_) {
 563                         string cur_layout = cpar()->layout()->name();
 564
 565                         // Derive layout number from given argument (string)
 566                         // and current buffer's textclass (number).
 567                         LyXTextClass const & tclass =
 568                                 bv->buffer()->params().getLyXTextClass();
 569                         string layout = cmd.argument;
 570                         bool hasLayout = tclass.hasLayout(layout);
 571
 572                         // If the entry is obsolete, use the new one instead.
 573                         if (hasLayout) {
 574                                 string const & obs = tclass[layout]->obsoleted_by();
 575                                 if (!obs.empty())
 576                                         layout = obs;
 577                         }
 578
 579                         // see if we found the layout number:
 580                         if (!hasLayout) {
 581                                 FuncRequest lf(LFUN_MESSAGE, N_("Layout ") + cmd.argument + N_(" not known"));
 582                                 bv->owner()->dispatch(lf);
 583                                 break;
 584                         }
 585
 586                         if (cur_layout != layout) {
 587                                 cur_layout = layout;
 588                                 text_.setLayout(layout);
 589                                 bv->owner()->setLayout(cpar()->layout()->name());
 590 #warning should be also set dispatched here?
 591                                 result.update(true);
 592                         }
 593                 } else {
 594                         // reset the layout box
 595                         bv->owner()->setLayout(cpar()->layout()->name());
 596                 }
 597                 break;
 598
 599         default:
 600                 result = text_.dispatch(cmd);
 601                 break;
 602         }
 603
 604         /// If the action has deleted all text in the inset, we need to change the
 605         // language to the language of the surronding text.
 606         if (!was_empty && paragraphs.begin()->empty() &&
 607             paragraphs.size() == 1) {
 608                 LyXFont font(LyXFont::ALL_IGNORE);
 609                 font.setLanguage(bv->getParentLanguage(this));
 610                 setFont(bv, font, false);
 611         }
 612
 613         lyxerr << "InsetText::priv_dispatch (end)" << endl;
 614         return result;
 615 }
 616
 617
 618 int InsetText::latex(Buffer const & buf, ostream & os,
 619                      OutputParams const & runparams) const
 620 {
 621         TexRow texrow;
 622         latexParagraphs(buf, paragraphs, os, texrow, runparams);
 623         return texrow.rows();
 624 }
 625
 626
 627 int InsetText::plaintext(Buffer const & buf, ostream & os,
 628                      OutputParams const & runparams) const
 629 {
 630         ParagraphList::const_iterator beg = paragraphs.begin();
 631         ParagraphList::const_iterator end = paragraphs.end();
 632         ParagraphList::const_iterator it = beg;
 633         for (; it != end; ++it)
 634                 asciiParagraph(buf, *it, os, runparams, it == beg);
 635
 636         //FIXME: Give the total numbers of lines
 637         return 0;
 638 }
 639
 640
 641 int InsetText::linuxdoc(Buffer const & buf, ostream & os,
 642                         OutputParams const & runparams) const
 643 {
 644         linuxdocParagraphs(buf, paragraphs, os, runparams);
 645         return 0;
 646 }
 647
 648
 649 int InsetText::docbook(Buffer const & buf, ostream & os,
 650                        OutputParams const & runparams) const
 651 {
 652         docbookParagraphs(buf, paragraphs, os, runparams);
 653         return 0;
 654 }
 655
 656
 657 void InsetText::validate(LaTeXFeatures & features) const
 658 {
 659         for_each(paragraphs.begin(), paragraphs.end(),
 660                  boost::bind(&Paragraph::validate, _1, boost::ref(features)));
 661 }
 662
 663
 664 void InsetText::getCursorPos(BufferView *, int & x, int & y) const
 665 {
 666         x = text_.cursor.x() + TEXT_TO_INSET_OFFSET;
 667         y = text_.cursor.y() - dim_.asc + TEXT_TO_INSET_OFFSET;
 668 }
 669
 670
 671 int InsetText::insetInInsetY() const
 672 {
 673         return 0;
 674 }
 675
 676
 677 DispatchResult InsetText::moveRight(BufferView * bv)
 678 {
 679         if (text_.cursorPar()->isRightToLeftPar(bv->buffer()->params()))
 680                 return moveLeftIntern(bv, false, true, false);
 681         else
 682                 return moveRightIntern(bv, true, true, false);
 683 }
 684
 685
 686 DispatchResult InsetText::moveLeft(BufferView * bv)
 687 {
 688         if (text_.cursorPar()->isRightToLeftPar(bv->buffer()->params()))
 689                 return moveRightIntern(bv, true, true, false);
 690         else
 691                 return moveLeftIntern(bv, false, true, false);
 692 }
 693
 694
 695 DispatchResult InsetText::moveRightIntern(BufferView * bv, bool front,
 696                            bool activate_inset, bool selecting)
 697 {
 698         ParagraphList::iterator c_par = cpar();
 699         if (boost::next(c_par) == paragraphs.end() && cpos() >= c_par->size())
 700                 return DispatchResult(false, FINISHED_RIGHT);
 701         if (activate_inset && checkAndActivateInset(bv, front))
 702                 return DispatchResult(true, true);
 703         text_.cursorRight(bv);
 704         if (!selecting)
 705                 text_.clearSelection();
 706         return DispatchResult(true);
 707 }
 708
 709
 710 DispatchResult InsetText::moveLeftIntern(BufferView * bv, bool front,
 711                           bool activate_inset, bool selecting)
 712 {
 713         if (cpar() == paragraphs.begin() && cpos() <= 0)
 714                 return DispatchResult(false, FINISHED);
 715         text_.cursorLeft(bv);
 716         if (!selecting)
 717                 text_.clearSelection();
 718         if (activate_inset && checkAndActivateInset(bv, front))
 719                 return DispatchResult(true, true);
 720         return DispatchResult(true);
 721 }
 722
 723
 724 DispatchResult InsetText::moveUp(BufferView * bv)
 725 {
 726         if (crow() == text_.firstRow())
 727                 return DispatchResult(false, FINISHED_UP);
 728         text_.cursorUp(bv);
 729         text_.clearSelection();
 730         return DispatchResult(true);
 731 }
 732
 733
 734 DispatchResult InsetText::moveDown(BufferView * bv)
 735 {
 736         if (crow() == text_.lastRow())
 737                 return DispatchResult(false, FINISHED_DOWN);
 738         text_.cursorDown(bv);
 739         text_.clearSelection();
 740         return DispatchResult(true);
 741 }
 742
 743
 744 bool InsetText::insertInset(BufferView * bv, InsetOld * inset)
 745 {
 746         inset->setOwner(this);
 747         text_.insertInset(inset);
 748 //      bv->fitCursor();
 749         updateLocal(bv, true);
 750         return true;
 751 }
 752
 753
 754 bool InsetText::insetAllowed(InsetOld::Code code) const
 755 {
 756         // in_insetAllowed is a really gross hack,
 757         // to allow us to call the owner's insetAllowed
 758         // without stack overflow, which can happen
 759         // when the owner uses InsetCollapsable::insetAllowed()
 760         bool ret = true;
 761         if (in_insetAllowed)
 762                 return ret;
 763         in_insetAllowed = true;
 764         if (owner())
 765                 ret = owner()->insetAllowed(code);
 766         in_insetAllowed = false;
 767         return ret;
 768 }
 769
 770
 771 bool InsetText::showInsetDialog(BufferView *) const
 772 {
 773         return false;
 774 }
 775
 776
 777 void InsetText::getLabelList(Buffer const & buffer,
 778                              std::vector<string> & list) const
 779 {
 780         ParagraphList::const_iterator pit = paragraphs.begin();
 781         ParagraphList::const_iterator pend = paragraphs.end();
 782         for (; pit != pend; ++pit) {
 783                 InsetList::const_iterator beg = pit->insetlist.begin();
 784                 InsetList::const_iterator end = pit->insetlist.end();
 785                 for (; beg != end; ++beg)
 786                         beg->inset->getLabelList(buffer, list);
 787         }
 788 }
 789
 790
 791 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
 792                         bool selectall)
 793 {
 794         if ((paragraphs.size() == 1 && paragraphs.begin()->empty())
 795             || cpar()->empty()) {
 796                 text_.setFont(font, toggleall);
 797                 return;
 798         }
 799
 800         if (text_.selection.set())
 801                 text_.recUndo(text_.cursor.par());
 802
 803         if (selectall) {
 804                 text_.cursorTop();
 805                 text_.selection.cursor = text_.cursor;
 806                 text_.cursorBottom();
 807                 text_.setSelection();
 808         }
 809
 810         text_.toggleFree(font, toggleall);
 811
 812         if (selectall)
 813                 text_.clearSelection();
 814
 815 //      bv->fitCursor();
 816         updateLocal(bv, true);
 817 }
 818
 819
 820 bool InsetText::checkAndActivateInset(BufferView * bv, bool front)
 821 {
 822         if (cpos() == cpar()->size())
 823                 return false;
 824         InsetOld * inset = cpar()->getInset(cpos());
 825         if (!isHighlyEditableInset(inset))
 826                 return false;
 827         inset->edit(bv, front);
 828         updateLocal(bv, false);
 829         return true;
 830 }
 831
 832
 833 void InsetText::markNew(bool track_changes)
 834 {
 835         ParagraphList::iterator pit = paragraphs.begin();
 836         ParagraphList::iterator end = paragraphs.end();
 837         for (; pit != end; ++pit) {
 838                 if (track_changes) {
 839                         pit->trackChanges();
 840                 } else {
 841                         // no-op when not tracking
 842                         pit->cleanChanges();
 843                 }
 844         }
 845 }
 846
 847
 848 void InsetText::setText(string const & data, LyXFont const & font)
 849 {
 850         clear(false);
 851         for (unsigned int i = 0; i < data.length(); ++i)
 852                 paragraphs.begin()->insertChar(i, data[i], font);
 853 }
 854
 855
 856 void InsetText::setAutoBreakRows(bool flag)
 857 {
 858         if (flag != autoBreakRows_) {
 859                 autoBreakRows_ = flag;
 860                 if (!flag)
 861                         removeNewlines();
 862         }
 863 }
 864
 865
 866 void InsetText::setDrawFrame(DrawFrame how)
 867 {
 868         drawFrame_ = how;
 869 }
 870
 871
 872 LColor_color InsetText::frameColor() const
 873 {
 874         return LColor::color(frame_color_);
 875 }
 876
 877
 878 void InsetText::setFrameColor(LColor_color col)
 879 {
 880         frame_color_ = col;
 881 }
 882
 883
 884 pos_type InsetText::cpos() const
 885 {
 886         return text_.cursor.pos();
 887 }
 888
 889
 890 ParagraphList::iterator InsetText::cpar() const
 891 {
 892         return text_.cursorPar();
 893 }
 894
 895
 896 RowList::iterator InsetText::crow() const
 897 {
 898         return cpar()->getRow(cpos());
 899 }
 900
 901
 902 void InsetText::setViewCache(BufferView const * bv) const
 903 {
 904         if (bv) {
 905                 if (bv != text_.bv_owner) {
 906                         //lyxerr << "setting view cache from "
 907                         //      << text_.bv_owner << " to " << bv << "\n";
 908                         text_.init(const_cast<BufferView *>(bv));
 909                 }
 910                 text_.bv_owner = const_cast<BufferView *>(bv);
 911         }
 912 }
 913
 914
 915 void InsetText::removeNewlines()
 916 {
 917         ParagraphList::iterator it = paragraphs.begin();
 918         ParagraphList::iterator end = paragraphs.end();
 919         for (; it != end; ++it)
 920                 for (int i = 0; i < it->size(); ++i)
 921                         if (it->isNewline(i))
 922                                 it->erase(i);
 923 }
 924
 925
 926 int InsetText::scroll(bool /*recursive*/) const
 927 {
 928         return UpdatableInset::scroll(false);
 929 }
 930
 931
 932 void InsetText::clearSelection(BufferView *)
 933 {
 934         text_.clearSelection();
 935 }
 936
 937
 938 void InsetText::clearInset(BufferView * bv, int start_x, int baseline) const
 939 {
 940         Painter & pain = bv->painter();
 941         int w = dim_.wid;
 942         int h = dim_.asc + dim_.des;
 943         int ty = baseline - dim_.asc;
 944
 945         if (ty < 0) {
 946                 h += ty;
 947                 ty = 0;
 948         }
 949         if (ty + h > pain.paperHeight())
 950                 h = pain.paperHeight();
 951         if (xo_ + w > pain.paperWidth())
 952                 w = pain.paperWidth();
 953         pain.fillRectangle(start_x + 1, ty + 1, w - 3, h - 1, backgroundColor());
 954 }
 955
 956
 957 ParagraphList * InsetText::getParagraphs(int i) const
 958 {
 959         return (i == 0) ? const_cast<ParagraphList*>(&paragraphs) : 0;
 960 }
 961
 962
 963 LyXText * InsetText::getText(int i) const
 964 {
 965         return (i == 0) ? const_cast<LyXText*>(&text_) : 0;
 966 }
 967
 968
 969 bool InsetText::checkInsertChar(LyXFont & font)
 970 {
 971         return owner() ? owner()->checkInsertChar(font) : true;
 972 }
 973
 974
 975 void InsetText::collapseParagraphs(BufferView * bv)
 976 {
 977         while (paragraphs.size() > 1) {
 978                 ParagraphList::iterator const first = paragraphs.begin();
 979                 ParagraphList::iterator second = first;
 980                 ++second;
 981                 size_t const first_par_size = first->size();
 982
 983                 if (!first->empty() &&
 984                     !second->empty() &&
 985                     !first->isSeparator(first_par_size - 1)) {
 986                         first->insertChar(first_par_size, ' ');
 987                 }
 988
 989 #warning probably broken
 990                 if (text_.selection.set()) {
 991                         if (text_.selection.start.par() == 1) {
 992                                 text_.selection.start.par(1);
 993                                 text_.selection.start.pos(text_.selection.start.pos() + first_par_size);
 994                         }
 995                         if (text_.selection.end.par() == 2) {
 996                                 text_.selection.end.par(1);
 997                                 text_.selection.end.pos(text_.selection.end.pos() + first_par_size);
 998                         }
 999                 }
1000
1001                 mergeParagraph(bv->buffer()->params(), paragraphs, first);
1002         }
1003 }
1004
1005
1006 void InsetText::getDrawFont(LyXFont & font) const
1007 {
1008         if (owner())
1009                 owner()->getDrawFont(font);
1010 }
1011
1012
1013 void InsetText::appendParagraphs(Buffer * buffer, ParagraphList & plist)
1014 {
1015 #warning FIXME Check if Changes stuff needs changing here. (Lgb)
1016 // And it probably does. You have to take a look at this John. (Lgb)
1017 #warning John, have a look here. (Lgb)
1018         ParagraphList::iterator pit = plist.begin();
1019         ParagraphList::iterator ins = paragraphs.insert(paragraphs.end(), *pit);
1020         ++pit;
1021         mergeParagraph(buffer->params(), paragraphs, boost::prior(ins));
1022
1023         ParagraphList::iterator pend = plist.end();
1024         for (; pit != pend; ++pit)
1025                 paragraphs.push_back(*pit);
1026 }
1027
1028
1029 void InsetText::addPreview(PreviewLoader & loader) const
1030 {
1031         ParagraphList::const_iterator pit = paragraphs.begin();
1032         ParagraphList::const_iterator pend = paragraphs.end();
1033
1034         for (; pit != pend; ++pit) {
1035                 InsetList::const_iterator it  = pit->insetlist.begin();
1036                 InsetList::const_iterator end = pit->insetlist.end();
1037                 for (; it != end; ++it)
1038                         it->inset->addPreview(loader);
1039         }
1040 }