src/insets/InsetText.cpp

   1 /**
   2  * \file InsetText.cpp
   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 "insets/InsetArgument.h"
  16
  17 #include "buffer_funcs.h"
  18 #include "Buffer.h"
  19 #include "BufferParams.h"
  20 #include "BufferView.h"
  21 #include "CompletionList.h"
  22 #include "CoordCache.h"
  23 #include "Cursor.h"
  24 #include "CutAndPaste.h"
  25 #include "DispatchResult.h"
  26 #include "ErrorList.h"
  27 #include "FuncRequest.h"
  28 #include "FuncStatus.h"
  29 #include "InsetCaption.h"
  30 #include "InsetList.h"
  31 #include "Intl.h"
  32 #include "Language.h"
  33 #include "LaTeXFeatures.h"
  34 #include "Lexer.h"
  35 #include "lyxfind.h"
  36 #include "LyXRC.h"
  37 #include "MetricsInfo.h"
  38 #include "output_docbook.h"
  39 #include "output_latex.h"
  40 #include "output_xhtml.h"
  41 #include "OutputParams.h"
  42 #include "output_plaintext.h"
  43 #include "Paragraph.h"
  44 #include "ParagraphParameters.h"
  45 #include "ParIterator.h"
  46 #include "Row.h"
  47 #include "sgml.h"
  48 #include "TexRow.h"
  49 #include "TextClass.h"
  50 #include "Text.h"
  51 #include "TextMetrics.h"
  52 #include "TocBackend.h"
  53
  54 #include "frontends/alert.h"
  55 #include "frontends/Painter.h"
  56
  57 #include "support/debug.h"
  58 #include "support/gettext.h"
  59 #include "support/lstrings.h"
  60
  61 #include "support/bind.h"
  62 #include "support/lassert.h"
  63
  64 #include <algorithm>
  65
  66
  67 using namespace std;
  68 using namespace lyx::support;
  69
  70
  71 namespace lyx {
  72
  73 using graphics::PreviewLoader;
  74
  75
  76 /////////////////////////////////////////////////////////////////////
  77
  78 InsetText::InsetText(Buffer * buf, UsePlain type)
  79         : Inset(buf), drawFrame_(false), frame_color_(Color_insetframe),
  80         text_(this, type == DefaultLayout)
  81 {
  82 }
  83
  84
  85 InsetText::InsetText(InsetText const & in)
  86         : Inset(in), text_(this, in.text_)
  87 {
  88         drawFrame_ = in.drawFrame_;
  89         frame_color_ = in.frame_color_;
  90 }
  91
  92
  93 void InsetText::setBuffer(Buffer & buf)
  94 {
  95         ParagraphList::iterator end = paragraphs().end();
  96         for (ParagraphList::iterator it = paragraphs().begin(); it != end; ++it)
  97                 it->setBuffer(buf);
  98         Inset::setBuffer(buf);
  99 }
 100
 101
 102 void InsetText::clear()
 103 {
 104         ParagraphList & pars = paragraphs();
 105         LASSERT(!pars.empty(), /**/);
 106
 107         // This is a gross hack...
 108         Layout const & old_layout = pars.begin()->layout();
 109
 110         pars.clear();
 111         pars.push_back(Paragraph());
 112         pars.begin()->setInsetOwner(this);
 113         pars.begin()->setLayout(old_layout);
 114 }
 115
 116
 117 Dimension const InsetText::dimension(BufferView const & bv) const
 118 {
 119         TextMetrics const & tm = bv.textMetrics(&text_);
 120         Dimension dim = tm.dimension();
 121         dim.wid += 2 * TEXT_TO_INSET_OFFSET;
 122         dim.des += TEXT_TO_INSET_OFFSET;
 123         dim.asc += TEXT_TO_INSET_OFFSET;
 124         return dim;
 125 }
 126
 127
 128 void InsetText::write(ostream & os) const
 129 {
 130         os << "Text\n";
 131         text_.write(os);
 132 }
 133
 134
 135 void InsetText::read(Lexer & lex)
 136 {
 137         clear();
 138
 139         // delete the initial paragraph
 140         Paragraph oldpar = *paragraphs().begin();
 141         paragraphs().clear();
 142         ErrorList errorList;
 143         lex.setContext("InsetText::read");
 144         bool res = text_.read(lex, errorList, this);
 145
 146         if (!res)
 147                 lex.printError("Missing \\end_inset at this point. ");
 148
 149         // sanity check
 150         // ensure we have at least one paragraph.
 151         if (paragraphs().empty())
 152                 paragraphs().push_back(oldpar);
 153         // Force default font, if so requested
 154         // This avoids paragraphs in buffer language that would have a
 155         // foreign language after a document language change, and it ensures
 156         // that all new text in ERT and similar gets the "latex" language,
 157         // since new text inherits the language from the last position of the
 158         // existing text.  As a side effect this makes us also robust against
 159         // bugs in LyX that might lead to font changes in ERT in .lyx files.
 160         fixParagraphsFont();
 161 }
 162
 163
 164 void InsetText::metrics(MetricsInfo & mi, Dimension & dim) const
 165 {
 166         TextMetrics & tm = mi.base.bv->textMetrics(&text_);
 167
 168         //lyxerr << "InsetText::metrics: width: " << mi.base.textwidth << endl;
 169
 170         // Hand font through to contained lyxtext:
 171         tm.font_.fontInfo() = mi.base.font;
 172         mi.base.textwidth -= 2 * TEXT_TO_INSET_OFFSET;
 173
 174         // This can happen when a layout has a left and right margin,
 175         // and the view is made very narrow. We can't do better than
 176         // to draw it partly out of view (bug 5890).
 177         if (mi.base.textwidth < 1)
 178                 mi.base.textwidth = 1;
 179
 180         if (hasFixedWidth())
 181                 tm.metrics(mi, dim, mi.base.textwidth);
 182         else
 183                 tm.metrics(mi, dim);
 184         mi.base.textwidth += 2 * TEXT_TO_INSET_OFFSET;
 185         dim.asc += TEXT_TO_INSET_OFFSET;
 186         dim.des += TEXT_TO_INSET_OFFSET;
 187         dim.wid += 2 * TEXT_TO_INSET_OFFSET;
 188 }
 189
 190
 191 void InsetText::draw(PainterInfo & pi, int x, int y) const
 192 {
 193         TextMetrics & tm = pi.base.bv->textMetrics(&text_);
 194
 195         if (drawFrame_ || pi.full_repaint) {
 196                 int const w = tm.width() + TEXT_TO_INSET_OFFSET;
 197                 int const yframe = y - TEXT_TO_INSET_OFFSET - tm.ascent();
 198                 int const h = tm.height() + 2 * TEXT_TO_INSET_OFFSET;
 199                 int const xframe = x + TEXT_TO_INSET_OFFSET / 2;
 200                 if (pi.full_repaint)
 201                         pi.pain.fillRectangle(xframe, yframe, w, h,
 202                                 pi.backgroundColor(this));
 203
 204                 if (drawFrame_)
 205                         pi.pain.rectangle(xframe, yframe, w, h, frameColor());
 206         }
 207         ColorCode const old_color = pi.background_color;
 208         pi.background_color = pi.backgroundColor(this, false);
 209
 210         tm.draw(pi, x + TEXT_TO_INSET_OFFSET, y);
 211
 212         pi.background_color = old_color;
 213 }
 214
 215
 216 void InsetText::edit(Cursor & cur, bool front, EntryDirection entry_from)
 217 {
 218         pit_type const pit = front ? 0 : paragraphs().size() - 1;
 219         pos_type pos = front ? 0 : paragraphs().back().size();
 220
 221         // if visual information is not to be ignored, move to extreme right/left
 222         if (entry_from != ENTRY_DIRECTION_IGNORE) {
 223                 Cursor temp_cur = cur;
 224                 temp_cur.pit() = pit;
 225                 temp_cur.pos() = pos;
 226                 temp_cur.posVisToRowExtremity(entry_from == ENTRY_DIRECTION_LEFT);
 227                 pos = temp_cur.pos();
 228         }
 229
 230         text_.setCursor(cur.top(), pit, pos);
 231         cur.clearSelection();
 232         cur.finishUndo();
 233 }
 234
 235
 236 Inset * InsetText::editXY(Cursor & cur, int x, int y)
 237 {
 238         return cur.bv().textMetrics(&text_).editXY(cur, x, y);
 239 }
 240
 241
 242 void InsetText::doDispatch(Cursor & cur, FuncRequest & cmd)
 243 {
 244         LYXERR(Debug::ACTION, "InsetText::doDispatch()"
 245                 << " [ cmd.action() = " << cmd.action() << ']');
 246
 247         if (getLayout().isPassThru()) {
 248                 // Force any new text to latex_language FIXME: This
 249                 // should only be necessary in constructor, but new
 250                 // paragraphs that are created by pressing enter at
 251                 // the start of an existing paragraph get the buffer
 252                 // language and not latex_language, so we take this
 253                 // brute force approach.
 254                 cur.current_font.setLanguage(latex_language);
 255                 cur.real_current_font.setLanguage(latex_language);
 256         }
 257
 258         switch (cmd.action()) {
 259         case LFUN_PASTE:
 260         case LFUN_CLIPBOARD_PASTE:
 261         case LFUN_SELECTION_PASTE:
 262         case LFUN_PRIMARY_SELECTION_PASTE:
 263                 text_.dispatch(cur, cmd);
 264                 // If we we can only store plain text, we must reset all
 265                 // attributes.
 266                 // FIXME: Change only the pasted paragraphs
 267                 fixParagraphsFont();
 268                 break;
 269
 270         case LFUN_INSET_DISSOLVE: {
 271                 bool const main_inset = &buffer().inset() == this;
 272                 bool const target_inset = cmd.argument().empty()
 273                         || cmd.getArg(0) == insetName(lyxCode());
 274                 bool const one_cell = nargs() == 1;
 275
 276                 if (!main_inset && target_inset && one_cell) {
 277                         // Text::dissolveInset assumes that the cursor
 278                         // is inside the Inset.
 279                         if (&cur.inset() != this)
 280                                 cur.pushBackward(*this);
 281                         cur.beginUndoGroup();
 282                         text_.dispatch(cur, cmd);
 283                         cur.endUndoGroup();
 284                 } else
 285                         cur.undispatched();
 286                 break;
 287         }
 288
 289         default:
 290                 text_.dispatch(cur, cmd);
 291         }
 292
 293         if (!cur.result().dispatched())
 294                 Inset::doDispatch(cur, cmd);
 295 }
 296
 297
 298 bool InsetText::getStatus(Cursor & cur, FuncRequest const & cmd,
 299         FuncStatus & status) const
 300 {
 301         switch (cmd.action()) {
 302         case LFUN_INSET_DISSOLVE: {
 303                 bool const main_inset = &buffer().inset() == this;
 304                 bool const target_inset = cmd.argument().empty()
 305                         || cmd.getArg(0) == insetName(lyxCode());
 306                 bool const one_cell = nargs() == 1;
 307
 308                 if (target_inset)
 309                         status.setEnabled(!main_inset && one_cell);
 310                 return target_inset;
 311         }
 312
 313         default:
 314                 // Dispatch only to text_ if the cursor is inside
 315                 // the text_. It is not for context menus (bug 5797).
 316                 bool ret = false;
 317                 if (cur.text() == &text_)
 318                         ret = text_.getStatus(cur, cmd, status);
 319
 320                 if (!ret)
 321                         ret = Inset::getStatus(cur, cmd, status);
 322                 return ret;
 323         }
 324 }
 325
 326
 327 void InsetText::fixParagraphsFont()
 328 {
 329         Font font(inherit_font, buffer().params().language);
 330         font.setLanguage(latex_language);
 331         ParagraphList::iterator par = paragraphs().begin();
 332         ParagraphList::iterator const end = paragraphs().end();
 333         while (par != end) {
 334                 if (par->isPassThru())
 335                         par->resetFonts(font);
 336                 if (!par->allowParagraphCustomization())
 337                         par->params().clear();
 338                 ++par;
 339         }
 340 }
 341
 342
 343 void InsetText::setChange(Change const & change)
 344 {
 345         ParagraphList::iterator pit = paragraphs().begin();
 346         ParagraphList::iterator end = paragraphs().end();
 347         for (; pit != end; ++pit) {
 348                 pit->setChange(change);
 349         }
 350 }
 351
 352
 353 void InsetText::acceptChanges()
 354 {
 355         text_.acceptChanges();
 356 }
 357
 358
 359 void InsetText::rejectChanges()
 360 {
 361         text_.rejectChanges();
 362 }
 363
 364
 365 void InsetText::validate(LaTeXFeatures & features) const
 366 {
 367         features.useInsetLayout(getLayout());
 368         for_each(paragraphs().begin(), paragraphs().end(),
 369                  bind(&Paragraph::validate, _1, ref(features)));
 370 }
 371
 372
 373 void InsetText::latex(otexstream & os, OutputParams const & runparams) const
 374 {
 375         // This implements the standard way of handling the LaTeX
 376         // output of a text inset, either a command or an
 377         // environment. Standard collapsable insets should not
 378         // redefine this, non-standard ones may call this.
 379         InsetLayout const & il = getLayout();
 380         if (!il.latexname().empty()) {
 381                 if (il.latextype() == InsetLayout::COMMAND) {
 382                         // FIXME UNICODE
 383                         if (runparams.moving_arg)
 384                                 os << "\\protect";
 385                         os << '\\' << from_utf8(il.latexname());
 386                         if (!il.latexparam().empty())
 387                                 os << from_utf8(il.latexparam());
 388                         os << '{';
 389                 } else if (il.latextype() == InsetLayout::ENVIRONMENT) {
 390                         if (il.isDisplay())
 391                             os << breakln;
 392                         else
 393                             os << safebreakln;
 394                         if (runparams.lastid != -1)
 395                                 os.texrow().start(runparams.lastid,
 396                                                   runparams.lastpos);
 397                         os << "\\begin{" << from_utf8(il.latexname()) << "}\n";
 398                         if (!il.latexparam().empty())
 399                                 os << from_utf8(il.latexparam());
 400                 }
 401         }
 402         OutputParams rp = runparams;
 403         if (il.isPassThru())
 404                 rp.pass_thru = true;
 405         if (il.isNeedProtect())
 406                 rp.moving_arg = true;
 407         rp.par_begin = 0;
 408         rp.par_end = paragraphs().size();
 409
 410         // Output the contents of the inset
 411         latexParagraphs(buffer(), text_, os, rp);
 412         runparams.encoding = rp.encoding;
 413
 414         if (!il.latexname().empty()) {
 415                 if (il.latextype() == InsetLayout::COMMAND) {
 416                         os << "}";
 417                 } else if (il.latextype() == InsetLayout::ENVIRONMENT) {
 418                         // A comment environment doesn't need a % before \n\end
 419                         if (il.isDisplay() || runparams.inComment)
 420                             os << breakln;
 421                         else
 422                             os << safebreakln;
 423                         os << "\\end{" << from_utf8(il.latexname()) << "}\n";
 424                         if (!il.isDisplay())
 425                                 os.protectSpace(true);
 426                 }
 427         }
 428 }
 429
 430
 431 int InsetText::plaintext(odocstream & os, OutputParams const & runparams) const
 432 {
 433         ParagraphList::const_iterator beg = paragraphs().begin();
 434         ParagraphList::const_iterator end = paragraphs().end();
 435         ParagraphList::const_iterator it = beg;
 436         bool ref_printed = false;
 437         int len = 0;
 438         for (; it != end; ++it) {
 439                 if (it != beg) {
 440                         os << '\n';
 441                         if (runparams.linelen > 0)
 442                                 os << '\n';
 443                 }
 444                 odocstringstream oss;
 445                 writePlaintextParagraph(buffer(), *it, oss, runparams, ref_printed);
 446                 docstring const str = oss.str();
 447                 os << str;
 448                 // FIXME: len is not computed fully correctly; in principle,
 449                 // we have to count the characters after the last '\n'
 450                 len = str.size();
 451         }
 452
 453         return len;
 454 }
 455
 456
 457 int InsetText::docbook(odocstream & os, OutputParams const & runparams) const
 458 {
 459         ParagraphList::const_iterator const beg = paragraphs().begin();
 460
 461         if (!undefined())
 462                 sgml::openTag(os, getLayout().latexname(),
 463                               beg->getID(buffer(), runparams) + getLayout().latexparam());
 464
 465         docbookParagraphs(text_, buffer(), os, runparams);
 466
 467         if (!undefined())
 468                 sgml::closeTag(os, getLayout().latexname());
 469
 470         return 0;
 471 }
 472
 473
 474 docstring InsetText::xhtml(XHTMLStream & xs, OutputParams const & runparams) const
 475 {
 476         return insetAsXHTML(xs, runparams, WriteEverything);
 477 }
 478
 479
 480 // FIXME XHTML
 481 // There are cases where we may need to close open fonts and such
 482 // and then re-open them when we are done. This would be the case, e.g.,
 483 // if we were otherwise about to write:
 484 //              <em>word <div class='foot'>footnote text.</div> emph</em>
 485 // The problem isn't so much that the footnote text will get emphasized:
 486 // we can handle that with CSS. The problem is that this is invalid XHTML.
 487 // One solution would be to make the footnote <span>, but the problem is
 488 // completely general, and so we'd have to make absolutely everything into
 489 // span. What I think will work is to check if we're about to write "div" and,
 490 // if so, try to close fonts, etc.
 491 // There are probably limits to how well we can do here, though, and we will
 492 // have to rely upon users not putting footnotes inside noun-type insets.
 493 docstring InsetText::insetAsXHTML(XHTMLStream & xs, OutputParams const & rp,
 494                                   XHTMLOptions opts) const
 495 {
 496         // we will always want to output all our paragraphs when we are
 497         // called this way.
 498         OutputParams runparams = rp;
 499         runparams.par_begin = 0;
 500         runparams.par_end = text().paragraphs().size();
 501
 502         if (undefined()) {
 503                 xhtmlParagraphs(text_, buffer(), xs, runparams);
 504                 return docstring();
 505         }
 506
 507         InsetLayout const & il = getLayout();
 508         if (opts & WriteOuterTag)
 509                 xs << html::StartTag(il.htmltag(), il.htmlattr());
 510         if ((opts & WriteLabel) && !il.counter().empty()) {
 511                 BufferParams const & bp = buffer().masterBuffer()->params();
 512                 Counters & cntrs = bp.documentClass().counters();
 513                 cntrs.step(il.counter(), OutputUpdate);
 514                 // FIXME: translate to paragraph language
 515                 if (!il.htmllabel().empty()) {
 516                         docstring const lbl =
 517                                 cntrs.counterLabel(from_utf8(il.htmllabel()), bp.language->code());
 518                         // FIXME is this check necessary?
 519                         if (!lbl.empty()) {
 520                                 xs << html::StartTag(il.htmllabeltag(), il.htmllabelattr());
 521                                 xs << lbl;
 522                                 xs << html::EndTag(il.htmllabeltag());
 523                         }
 524                 }
 525         }
 526
 527         if (opts & WriteInnerTag)
 528                 xs << html::StartTag(il.htmlinnertag(), il.htmlinnerattr());
 529         OutputParams ours = runparams;
 530         if (!il.isMultiPar() || opts == JustText)
 531                 ours.html_make_pars = false;
 532         xhtmlParagraphs(text_, buffer(), xs, ours);
 533         if (opts & WriteInnerTag)
 534                 xs << html::EndTag(il.htmlinnertag());
 535         if (opts & WriteOuterTag)
 536                 xs << html::EndTag(il.htmltag());
 537         return docstring();
 538 }
 539
 540
 541 void InsetText::cursorPos(BufferView const & bv,
 542                 CursorSlice const & sl, bool boundary, int & x, int & y) const
 543 {
 544         x = bv.textMetrics(&text_).cursorX(sl, boundary) + TEXT_TO_INSET_OFFSET;
 545         y = bv.textMetrics(&text_).cursorY(sl, boundary);
 546 }
 547
 548
 549 void InsetText::setText(docstring const & data, Font const & font, bool trackChanges)
 550 {
 551         clear();
 552         Paragraph & first = paragraphs().front();
 553         for (unsigned int i = 0; i < data.length(); ++i)
 554                 first.insertChar(i, data[i], font, trackChanges);
 555 }
 556
 557
 558 void InsetText::setAutoBreakRows(bool flag)
 559 {
 560         if (flag == text_.autoBreakRows_)
 561                 return;
 562
 563         text_.autoBreakRows_ = flag;
 564         if (flag)
 565                 return;
 566
 567         // remove previously existing newlines
 568         ParagraphList::iterator it = paragraphs().begin();
 569         ParagraphList::iterator end = paragraphs().end();
 570         for (; it != end; ++it)
 571                 for (int i = 0; i < it->size(); ++i)
 572                         if (it->isNewline(i))
 573                                 // do not track the change, because the user
 574                                 // is not allowed to revert/reject it
 575                                 it->eraseChar(i, false);
 576 }
 577
 578
 579 void InsetText::setDrawFrame(bool flag)
 580 {
 581         drawFrame_ = flag;
 582 }
 583
 584
 585 ColorCode InsetText::frameColor() const
 586 {
 587         return frame_color_;
 588 }
 589
 590
 591 void InsetText::setFrameColor(ColorCode col)
 592 {
 593         frame_color_ = col;
 594 }
 595
 596
 597 void InsetText::appendParagraphs(ParagraphList & plist)
 598 {
 599         // There is little we can do here to keep track of changes.
 600         // As of 2006/10/20, appendParagraphs is used exclusively by
 601         // LyXTabular::setMultiColumn. In this context, the paragraph break
 602         // is lost irreversibly and the appended text doesn't really change
 603
 604         ParagraphList & pl = paragraphs();
 605
 606         ParagraphList::iterator pit = plist.begin();
 607         ParagraphList::iterator ins = pl.insert(pl.end(), *pit);
 608         ++pit;
 609         mergeParagraph(buffer().params(), pl,
 610                        distance(pl.begin(), ins) - 1);
 611
 612         for_each(pit, plist.end(),
 613                  bind(&ParagraphList::push_back, ref(pl), _1));
 614 }
 615
 616
 617 void InsetText::addPreview(DocIterator const & text_inset_pos,
 618         PreviewLoader & loader) const
 619 {
 620         ParagraphList::const_iterator pit = paragraphs().begin();
 621         ParagraphList::const_iterator pend = paragraphs().end();
 622         int pidx = 0;
 623
 624         DocIterator inset_pos = text_inset_pos;
 625         inset_pos.push_back(CursorSlice(*const_cast<InsetText *>(this)));
 626
 627         for (; pit != pend; ++pit, ++pidx) {
 628                 InsetList::const_iterator it  = pit->insetList().begin();
 629                 InsetList::const_iterator end = pit->insetList().end();
 630                 inset_pos.pit() = pidx;
 631                 for (; it != end; ++it) {
 632                         inset_pos.pos() = it->pos;
 633                         it->inset->addPreview(inset_pos, loader);
 634                 }
 635         }
 636 }
 637
 638
 639 ParagraphList const & InsetText::paragraphs() const
 640 {
 641         return text_.paragraphs();
 642 }
 643
 644
 645 ParagraphList & InsetText::paragraphs()
 646 {
 647         return text_.paragraphs();
 648 }
 649
 650
 651 void InsetText::updateBuffer(ParIterator const & it, UpdateType utype)
 652 {
 653         ParIterator it2 = it;
 654         it2.forwardPos();
 655         LASSERT(&it2.inset() == this && it2.pit() == 0, return);
 656         if (producesOutput()) {
 657                 InsetLayout const & il = getLayout();
 658                 bool const save_layouts = utype == OutputUpdate && il.htmlisblock();
 659                 Counters & cnt = buffer().masterBuffer()->params().documentClass().counters();
 660                 if (save_layouts) {
 661                         // LYXERR0("Entering " << name());
 662                         cnt.clearLastLayout();
 663                         // FIXME cnt.saveLastCounter()?
 664                 }
 665                 buffer().updateBuffer(it2, utype);
 666                 if (save_layouts) {
 667                         // LYXERR0("Exiting " << name());
 668                         cnt.restoreLastLayout();
 669                         // FIXME cnt.restoreLastCounter()?
 670                 }
 671         } else {
 672                 DocumentClass const & tclass = buffer().masterBuffer()->params().documentClass();
 673                 // Note that we do not need to call:
 674                 //      tclass.counters().clearLastLayout()
 675                 // since we are saving and restoring the existing counters, etc.
 676                 Counters const savecnt = tclass.counters();
 677                 tclass.counters().reset();
 678                 buffer().updateBuffer(it2, utype);
 679                 tclass.counters() = savecnt;
 680         }
 681 }
 682
 683
 684 void InsetText::toString(odocstream & os) const
 685 {
 686         os << text().asString(0, 1, AS_STR_LABEL | AS_STR_INSETS);
 687 }
 688
 689
 690 void InsetText::forToc(docstring & os, size_t maxlen) const
 691 {
 692         if (!getLayout().isInToc())
 693                 return;
 694         text().forToc(os, maxlen, false);
 695 }
 696
 697
 698 void InsetText::addToToc(DocIterator const & cdit) const
 699 {
 700         DocIterator dit = cdit;
 701         dit.push_back(CursorSlice(const_cast<InsetText &>(*this)));
 702         Toc & toc = buffer().tocBackend().toc("tableofcontents");
 703
 704         BufferParams const & bufparams = buffer_->params();
 705         int const min_toclevel = bufparams.documentClass().min_toclevel();
 706
 707         // For each paragraph, traverse its insets and let them add
 708         // their toc items
 709         ParagraphList const & pars = paragraphs();
 710         pit_type pend = paragraphs().size();
 711         for (pit_type pit = 0; pit != pend; ++pit) {
 712                 Paragraph const & par = pars[pit];
 713                 dit.pit() = pit;
 714                 // if we find an optarg, we'll save it for use later.
 715                 InsetText const * arginset = 0;
 716                 InsetList::const_iterator it  = par.insetList().begin();
 717                 InsetList::const_iterator end = par.insetList().end();
 718                 for (; it != end; ++it) {
 719                         Inset & inset = *it->inset;
 720                         dit.pos() = it->pos;
 721                         //lyxerr << (void*)&inset << " code: " << inset.lyxCode() << std::endl;
 722                         inset.addToToc(dit);
 723                         if (inset.lyxCode() == ARG_CODE)
 724                                 arginset = inset.asInsetText();
 725                 }
 726                 // now the toc entry for the paragraph
 727                 int const toclevel = par.layout().toclevel;
 728                 if (toclevel != Layout::NOT_IN_TOC && toclevel >= min_toclevel) {
 729                         // insert this into the table of contents
 730                         docstring tocstring;
 731                         if (arginset) {
 732                                 tocstring = par.labelString();
 733                                 if (!tocstring.empty())
 734                                         tocstring += ' ';
 735                                 arginset->text().forToc(tocstring, TOC_ENTRY_LENGTH);
 736                         } else
 737                                 par.forToc(tocstring, TOC_ENTRY_LENGTH);
 738                         dit.pos() = 0;
 739                         toc.push_back(TocItem(dit, toclevel - min_toclevel,
 740                                 tocstring, tocstring));
 741                 }
 742
 743                 // And now the list of changes.
 744                 par.addChangesToToc(dit, buffer());
 745         }
 746 }
 747
 748
 749 bool InsetText::notifyCursorLeaves(Cursor const & old, Cursor & cur)
 750 {
 751         if (buffer().isClean())
 752                 return Inset::notifyCursorLeaves(old, cur);
 753
 754         // find text inset in old cursor
 755         Cursor insetCur = old;
 756         int scriptSlice = insetCur.find(this);
 757         LASSERT(scriptSlice != -1, /**/);
 758         insetCur.cutOff(scriptSlice);
 759         LASSERT(&insetCur.inset() == this, /**/);
 760
 761         // update the old paragraph's words
 762         insetCur.paragraph().updateWords();
 763
 764         return Inset::notifyCursorLeaves(old, cur);
 765 }
 766
 767
 768 bool InsetText::completionSupported(Cursor const & cur) const
 769 {
 770         //LASSERT(&cur.bv().cursor().inset() != this, return false);
 771         return text_.completionSupported(cur);
 772 }
 773
 774
 775 bool InsetText::inlineCompletionSupported(Cursor const & cur) const
 776 {
 777         return completionSupported(cur);
 778 }
 779
 780
 781 bool InsetText::automaticInlineCompletion() const
 782 {
 783         return lyxrc.completion_inline_text;
 784 }
 785
 786
 787 bool InsetText::automaticPopupCompletion() const
 788 {
 789         return lyxrc.completion_popup_text;
 790 }
 791
 792
 793 bool InsetText::showCompletionCursor() const
 794 {
 795         return lyxrc.completion_cursor_text;
 796 }
 797
 798
 799 CompletionList const * InsetText::createCompletionList(Cursor const & cur) const
 800 {
 801         return completionSupported(cur) ? text_.createCompletionList(cur) : 0;
 802 }
 803
 804
 805 docstring InsetText::completionPrefix(Cursor const & cur) const
 806 {
 807         if (!completionSupported(cur))
 808                 return docstring();
 809         return text_.completionPrefix(cur);
 810 }
 811
 812
 813 bool InsetText::insertCompletion(Cursor & cur, docstring const & s,
 814         bool finished)
 815 {
 816         if (!completionSupported(cur))
 817                 return false;
 818
 819         return text_.insertCompletion(cur, s, finished);
 820 }
 821
 822
 823 void InsetText::completionPosAndDim(Cursor const & cur, int & x, int & y,
 824         Dimension & dim) const
 825 {
 826         TextMetrics const & tm = cur.bv().textMetrics(&text_);
 827         tm.completionPosAndDim(cur, x, y, dim);
 828 }
 829
 830
 831 docstring InsetText::contextMenu(BufferView const &, int, int) const
 832 {
 833         docstring context_menu = contextMenuName();
 834         if (context_menu != InsetText::contextMenuName())
 835                 context_menu += ";" + InsetText::contextMenuName();
 836         return context_menu;
 837 }
 838
 839
 840 docstring InsetText::contextMenuName() const
 841 {
 842         return from_ascii("context-edit");
 843 }
 844
 845
 846 docstring InsetText::toolTipText(docstring prefix,
 847                 size_t numlines, size_t len) const
 848 {
 849         size_t const max_length = numlines * len;
 850         OutputParams rp(&buffer().params().encoding());
 851         odocstringstream oss;
 852         oss << prefix;
 853
 854         ParagraphList::const_iterator beg = paragraphs().begin();
 855         ParagraphList::const_iterator end = paragraphs().end();
 856         ParagraphList::const_iterator it = beg;
 857         bool ref_printed = false;
 858         docstring str;
 859
 860         for (; it != end; ++it) {
 861                 if (it != beg)
 862                         oss << '\n';
 863                 writePlaintextParagraph(buffer(), *it, oss, rp, ref_printed);
 864                 str = oss.str();
 865                 if (str.length() > max_length)
 866                         break;
 867         }
 868         return support::wrapParas(str, 4, len, numlines);
 869 }
 870
 871
 872 InsetCaption const * InsetText::getCaptionInset() const
 873 {
 874         ParagraphList::const_iterator pit = paragraphs().begin();
 875         for (; pit != paragraphs().end(); ++pit) {
 876                 InsetList::const_iterator it = pit->insetList().begin();
 877                 for (; it != pit->insetList().end(); ++it) {
 878                         Inset & inset = *it->inset;
 879                         if (inset.lyxCode() == CAPTION_CODE) {
 880                                 InsetCaption const * ins =
 881                                         static_cast<InsetCaption const *>(it->inset);
 882                                 return ins;
 883                         }
 884                 }
 885         }
 886         return 0;
 887 }
 888
 889
 890 docstring InsetText::getCaptionText(OutputParams const & runparams) const
 891 {
 892         InsetCaption const * ins = getCaptionInset();
 893         if (ins == 0)
 894                 return docstring();
 895
 896         odocstringstream ods;
 897         ins->getCaptionAsPlaintext(ods, runparams);
 898         return ods.str();
 899 }
 900
 901
 902 docstring InsetText::getCaptionHTML(OutputParams const & runparams) const
 903 {
 904         InsetCaption const * ins = getCaptionInset();
 905         if (ins == 0)
 906                 return docstring();
 907
 908         odocstringstream ods;
 909         XHTMLStream xs(ods);
 910         docstring def = ins->getCaptionAsHTML(xs, runparams);
 911         if (!def.empty())
 912                 // should already have been escaped
 913                 xs << XHTMLStream::ESCAPE_NONE << def << '\n';
 914         return ods.str();
 915 }
 916
 917
 918 InsetText::XHTMLOptions operator|(InsetText::XHTMLOptions a1, InsetText::XHTMLOptions a2)
 919 {
 920         return static_cast<InsetText::XHTMLOptions>((int)a1 | (int)a2);
 921 }
 922
 923 } // namespace lyx