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 #include "insets/InsetLayout.h"
  17
  18 #include "buffer_funcs.h"
  19 #include "Buffer.h"
  20 #include "BufferParams.h"
  21 #include "BufferView.h"
  22 #include "CompletionList.h"
  23 #include "CoordCache.h"
  24 #include "Cursor.h"
  25 #include "CutAndPaste.h"
  26 #include "DispatchResult.h"
  27 #include "ErrorList.h"
  28 #include "FuncRequest.h"
  29 #include "FuncStatus.h"
  30 #include "InsetCaption.h"
  31 #include "InsetList.h"
  32 #include "Intl.h"
  33 #include "Language.h"
  34 #include "Layout.h"
  35 #include "LaTeXFeatures.h"
  36 #include "Lexer.h"
  37 #include "lyxfind.h"
  38 #include "LyXRC.h"
  39 #include "MetricsInfo.h"
  40 #include "output_docbook.h"
  41 #include "output_latex.h"
  42 #include "output_xhtml.h"
  43 #include "OutputParams.h"
  44 #include "output_plaintext.h"
  45 #include "Paragraph.h"
  46 #include "ParagraphParameters.h"
  47 #include "ParIterator.h"
  48 #include "Row.h"
  49 #include "sgml.h"
  50 #include "TexRow.h"
  51 #include "TextClass.h"
  52 #include "Text.h"
  53 #include "TextMetrics.h"
  54 #include "TocBackend.h"
  55
  56 #include "frontends/alert.h"
  57 #include "frontends/Painter.h"
  58
  59 #include "support/convert.h"
  60 #include "support/debug.h"
  61 #include "support/gettext.h"
  62 #include "support/lstrings.h"
  63
  64 #include "support/bind.h"
  65 #include "support/lassert.h"
  66
  67 #include <algorithm>
  68
  69
  70 using namespace std;
  71 using namespace lyx::support;
  72
  73
  74 namespace lyx {
  75
  76 using graphics::PreviewLoader;
  77
  78
  79 /////////////////////////////////////////////////////////////////////
  80
  81 InsetText::InsetText(Buffer * buf, UsePlain type)
  82         : Inset(buf), drawFrame_(false), frame_color_(Color_insetframe),
  83         text_(this, type == DefaultLayout)
  84 {
  85 }
  86
  87
  88 InsetText::InsetText(InsetText const & in)
  89         : Inset(in), text_(this, in.text_)
  90 {
  91         drawFrame_ = in.drawFrame_;
  92         frame_color_ = in.frame_color_;
  93 }
  94
  95
  96 void InsetText::setBuffer(Buffer & buf)
  97 {
  98         ParagraphList::iterator end = paragraphs().end();
  99         for (ParagraphList::iterator it = paragraphs().begin(); it != end; ++it)
 100                 it->setBuffer(buf);
 101         Inset::setBuffer(buf);
 102 }
 103
 104
 105 void InsetText::setMacrocontextPositionRecursive(DocIterator const & pos)
 106 {
 107         text_.setMacrocontextPosition(pos);
 108
 109         ParagraphList::const_iterator pit = paragraphs().begin();
 110         ParagraphList::const_iterator pend = paragraphs().end();
 111         for (; pit != pend; ++pit) {
 112                 InsetList::const_iterator iit = pit->insetList().begin();
 113                 InsetList::const_iterator end = pit->insetList().end();
 114                 for (; iit != end; ++iit) {
 115                         if (InsetText * txt = iit->inset->asInsetText()) {
 116                                 DocIterator ppos(pos);
 117                                 ppos.push_back(CursorSlice(*txt));
 118                                 iit->inset->asInsetText()->setMacrocontextPositionRecursive(ppos);
 119                         }
 120                 }
 121         }
 122 }
 123
 124
 125 void InsetText::clear()
 126 {
 127         ParagraphList & pars = paragraphs();
 128         LASSERT(!pars.empty(), /**/);
 129
 130         // This is a gross hack...
 131         Layout const & old_layout = pars.begin()->layout();
 132
 133         pars.clear();
 134         pars.push_back(Paragraph());
 135         pars.begin()->setInsetOwner(this);
 136         pars.begin()->setLayout(old_layout);
 137 }
 138
 139
 140 Dimension const InsetText::dimension(BufferView const & bv) const
 141 {
 142         TextMetrics const & tm = bv.textMetrics(&text_);
 143         Dimension dim = tm.dimension();
 144         dim.wid += 2 * TEXT_TO_INSET_OFFSET;
 145         dim.des += TEXT_TO_INSET_OFFSET;
 146         dim.asc += TEXT_TO_INSET_OFFSET;
 147         return dim;
 148 }
 149
 150
 151 void InsetText::write(ostream & os) const
 152 {
 153         os << "Text\n";
 154         text_.write(os);
 155 }
 156
 157
 158 void InsetText::read(Lexer & lex)
 159 {
 160         clear();
 161
 162         // delete the initial paragraph
 163         Paragraph oldpar = *paragraphs().begin();
 164         paragraphs().clear();
 165         ErrorList errorList;
 166         lex.setContext("InsetText::read");
 167         bool res = text_.read(lex, errorList, this);
 168
 169         if (!res)
 170                 lex.printError("Missing \\end_inset at this point. ");
 171
 172         // sanity check
 173         // ensure we have at least one paragraph.
 174         if (paragraphs().empty())
 175                 paragraphs().push_back(oldpar);
 176         // Force default font, if so requested
 177         // This avoids paragraphs in buffer language that would have a
 178         // foreign language after a document language change, and it ensures
 179         // that all new text in ERT and similar gets the "latex" language,
 180         // since new text inherits the language from the last position of the
 181         // existing text.  As a side effect this makes us also robust against
 182         // bugs in LyX that might lead to font changes in ERT in .lyx files.
 183         fixParagraphsFont();
 184 }
 185
 186
 187 void InsetText::metrics(MetricsInfo & mi, Dimension & dim) const
 188 {
 189         TextMetrics & tm = mi.base.bv->textMetrics(&text_);
 190
 191         //lyxerr << "InsetText::metrics: width: " << mi.base.textwidth << endl;
 192
 193         // Hand font through to contained lyxtext:
 194         tm.font_.fontInfo() = mi.base.font;
 195         mi.base.textwidth -= 2 * TEXT_TO_INSET_OFFSET;
 196
 197         // This can happen when a layout has a left and right margin,
 198         // and the view is made very narrow. We can't do better than
 199         // to draw it partly out of view (bug 5890).
 200         if (mi.base.textwidth < 1)
 201                 mi.base.textwidth = 1;
 202
 203         if (hasFixedWidth())
 204                 tm.metrics(mi, dim, mi.base.textwidth);
 205         else
 206                 tm.metrics(mi, dim);
 207         mi.base.textwidth += 2 * TEXT_TO_INSET_OFFSET;
 208         dim.asc += TEXT_TO_INSET_OFFSET;
 209         dim.des += TEXT_TO_INSET_OFFSET;
 210         dim.wid += 2 * TEXT_TO_INSET_OFFSET;
 211 }
 212
 213
 214 void InsetText::draw(PainterInfo & pi, int x, int y) const
 215 {
 216         TextMetrics & tm = pi.base.bv->textMetrics(&text_);
 217
 218         if (drawFrame_ || pi.full_repaint) {
 219                 int const w = tm.width() + TEXT_TO_INSET_OFFSET;
 220                 int const yframe = y - TEXT_TO_INSET_OFFSET - tm.ascent();
 221                 int const h = tm.height() + 2 * TEXT_TO_INSET_OFFSET;
 222                 int const xframe = x + TEXT_TO_INSET_OFFSET / 2;
 223                 if (pi.full_repaint)
 224                         pi.pain.fillRectangle(xframe, yframe, w, h,
 225                                 pi.backgroundColor(this));
 226
 227                 if (drawFrame_)
 228                         pi.pain.rectangle(xframe, yframe, w, h, frameColor());
 229         }
 230         ColorCode const old_color = pi.background_color;
 231         pi.background_color = pi.backgroundColor(this, false);
 232
 233         tm.draw(pi, x + TEXT_TO_INSET_OFFSET, y);
 234
 235         pi.background_color = old_color;
 236 }
 237
 238
 239 void InsetText::edit(Cursor & cur, bool front, EntryDirection entry_from)
 240 {
 241         pit_type const pit = front ? 0 : paragraphs().size() - 1;
 242         pos_type pos = front ? 0 : paragraphs().back().size();
 243
 244         // if visual information is not to be ignored, move to extreme right/left
 245         if (entry_from != ENTRY_DIRECTION_IGNORE) {
 246                 Cursor temp_cur = cur;
 247                 temp_cur.pit() = pit;
 248                 temp_cur.pos() = pos;
 249                 temp_cur.posVisToRowExtremity(entry_from == ENTRY_DIRECTION_LEFT);
 250                 pos = temp_cur.pos();
 251         }
 252
 253         text_.setCursor(cur.top(), pit, pos);
 254         cur.clearSelection();
 255         cur.finishUndo();
 256 }
 257
 258
 259 Inset * InsetText::editXY(Cursor & cur, int x, int y)
 260 {
 261         return cur.bv().textMetrics(&text_).editXY(cur, x, y);
 262 }
 263
 264
 265 void InsetText::doDispatch(Cursor & cur, FuncRequest & cmd)
 266 {
 267         LYXERR(Debug::ACTION, "InsetText::doDispatch(): cmd: " << cmd);
 268
 269 #if 0
 270 // FIXME: This code does not seem to be necessary anymore
 271 // Remove for 2.1 if no counter-evidence is found.
 272         if (isPassThru() && lyxCode() != ARG_CODE) {
 273                 // Force any new text to latex_language FIXME: This
 274                 // should only be necessary in constructor, but new
 275                 // paragraphs that are created by pressing enter at
 276                 // the start of an existing paragraph get the buffer
 277                 // language and not latex_language, so we take this
 278                 // brute force approach.
 279                 cur.current_font.setLanguage(latex_language);
 280                 cur.real_current_font.setLanguage(latex_language);
 281         }
 282 #endif
 283
 284         switch (cmd.action()) {
 285         case LFUN_PASTE:
 286         case LFUN_CLIPBOARD_PASTE:
 287         case LFUN_SELECTION_PASTE:
 288         case LFUN_PRIMARY_SELECTION_PASTE:
 289                 text_.dispatch(cur, cmd);
 290                 // If we we can only store plain text, we must reset all
 291                 // attributes.
 292                 // FIXME: Change only the pasted paragraphs
 293                 fixParagraphsFont();
 294                 break;
 295
 296         case LFUN_INSET_DISSOLVE: {
 297                 bool const main_inset = &buffer().inset() == this;
 298                 bool const target_inset = cmd.argument().empty()
 299                         || cmd.getArg(0) == insetName(lyxCode());
 300                 bool const one_cell = nargs() == 1;
 301
 302                 if (!main_inset && target_inset && one_cell) {
 303                         // Text::dissolveInset assumes that the cursor
 304                         // is inside the Inset.
 305                         if (&cur.inset() != this)
 306                                 cur.pushBackward(*this);
 307                         cur.beginUndoGroup();
 308                         text_.dispatch(cur, cmd);
 309                         cur.endUndoGroup();
 310                 } else
 311                         cur.undispatched();
 312                 break;
 313         }
 314
 315         default:
 316                 text_.dispatch(cur, cmd);
 317         }
 318
 319         if (!cur.result().dispatched())
 320                 Inset::doDispatch(cur, cmd);
 321 }
 322
 323
 324 bool InsetText::getStatus(Cursor & cur, FuncRequest const & cmd,
 325         FuncStatus & status) const
 326 {
 327         switch (cmd.action()) {
 328         case LFUN_INSET_DISSOLVE: {
 329                 bool const main_inset = &buffer().inset() == this;
 330                 bool const target_inset = cmd.argument().empty()
 331                         || cmd.getArg(0) == insetName(lyxCode());
 332                 bool const one_cell = nargs() == 1;
 333
 334                 if (target_inset)
 335                         status.setEnabled(!main_inset && one_cell);
 336                 return target_inset;
 337         }
 338
 339         case LFUN_ARGUMENT_INSERT: {
 340                 string const arg = cmd.getArg(0);
 341                 if (arg.empty()) {
 342                         status.setEnabled(false);
 343                         return true;
 344                 }
 345                 if (&buffer().inset() == this || !cur.paragraph().layout().args().empty())
 346                         return text_.getStatus(cur, cmd, status);
 347
 348                 Layout::LaTeXArgMap args = getLayout().args();
 349                 Layout::LaTeXArgMap::const_iterator const lait = args.find(arg);
 350                 if (lait != args.end()) {
 351                         status.setEnabled(true);
 352                         ParagraphList::const_iterator pit = paragraphs().begin();
 353                         for (; pit != paragraphs().end(); ++pit) {
 354                                 InsetList::const_iterator it = pit->insetList().begin();
 355                                 InsetList::const_iterator end = pit->insetList().end();
 356                                 for (; it != end; ++it) {
 357                                         if (it->inset->lyxCode() == ARG_CODE) {
 358                                                 InsetArgument const * ins =
 359                                                         static_cast<InsetArgument const *>(it->inset);
 360                                                 if (ins->name() == arg) {
 361                                                         // we have this already
 362                                                         status.setEnabled(false);
 363                                                         return true;
 364                                                 }
 365                                         }
 366                                 }
 367                         }
 368                 } else
 369                         status.setEnabled(false);
 370                 return true;
 371         }
 372
 373         default:
 374                 // Dispatch only to text_ if the cursor is inside
 375                 // the text_. It is not for context menus (bug 5797).
 376                 bool ret = false;
 377                 if (cur.text() == &text_)
 378                         ret = text_.getStatus(cur, cmd, status);
 379
 380                 if (!ret)
 381                         ret = Inset::getStatus(cur, cmd, status);
 382                 return ret;
 383         }
 384 }
 385
 386
 387 void InsetText::fixParagraphsFont()
 388 {
 389         Font font(inherit_font, buffer().params().language);
 390         font.setLanguage(latex_language);
 391         ParagraphList::iterator par = paragraphs().begin();
 392         ParagraphList::iterator const end = paragraphs().end();
 393         while (par != end) {
 394                 if (par->isPassThru())
 395                         par->resetFonts(font);
 396                 if (!par->allowParagraphCustomization())
 397                         par->params().clear();
 398                 ++par;
 399         }
 400 }
 401
 402
 403 void InsetText::setChange(Change const & change)
 404 {
 405         ParagraphList::iterator pit = paragraphs().begin();
 406         ParagraphList::iterator end = paragraphs().end();
 407         for (; pit != end; ++pit) {
 408                 pit->setChange(change);
 409         }
 410 }
 411
 412
 413 void InsetText::acceptChanges()
 414 {
 415         text_.acceptChanges();
 416 }
 417
 418
 419 void InsetText::rejectChanges()
 420 {
 421         text_.rejectChanges();
 422 }
 423
 424
 425 void InsetText::validate(LaTeXFeatures & features) const
 426 {
 427         features.useInsetLayout(getLayout());
 428         for_each(paragraphs().begin(), paragraphs().end(),
 429                  bind(&Paragraph::validate, _1, ref(features)));
 430 }
 431
 432
 433 void InsetText::latex(otexstream & os, OutputParams const & runparams) const
 434 {
 435         // This implements the standard way of handling the LaTeX
 436         // output of a text inset, either a command or an
 437         // environment. Standard collapsable insets should not
 438         // redefine this, non-standard ones may call this.
 439         InsetLayout const & il = getLayout();
 440         if (!il.latexname().empty()) {
 441                 if (il.latextype() == InsetLayout::COMMAND) {
 442                         // FIXME UNICODE
 443                         if (runparams.moving_arg)
 444                                 os << "\\protect";
 445                         os << '\\' << from_utf8(il.latexname());
 446                         if (!il.latexargs().empty())
 447                                 getArgs(os, runparams);
 448                         if (!il.latexparam().empty())
 449                                 os << from_utf8(il.latexparam());
 450                         os << '{';
 451                 } else if (il.latextype() == InsetLayout::ENVIRONMENT) {
 452                         if (il.isDisplay())
 453                                 os << breakln;
 454                         else
 455                                 os << safebreakln;
 456                         if (runparams.lastid != -1)
 457                                 os.texrow().start(runparams.lastid,
 458                                                   runparams.lastpos);
 459                         os << "\\begin{" << from_utf8(il.latexname()) << "}";
 460                         if (!il.latexargs().empty())
 461                                 getArgs(os, runparams);
 462                         if (!il.latexparam().empty())
 463                                 os << from_utf8(il.latexparam());
 464                         os << '\n';
 465                 }
 466         } else {
 467                 if (!il.latexargs().empty())
 468                         getArgs(os, runparams);
 469                 if (!il.latexparam().empty())
 470                         os << from_utf8(il.latexparam());
 471         }
 472
 473         if (!il.leftdelim().empty())
 474                 os << il.leftdelim();
 475
 476         OutputParams rp = runparams;
 477         if (isPassThru())
 478                 rp.pass_thru = true;
 479         if (il.isNeedProtect())
 480                 rp.moving_arg = true;
 481         rp.par_begin = 0;
 482         rp.par_end = paragraphs().size();
 483
 484         // Output the contents of the inset
 485         latexParagraphs(buffer(), text_, os, rp);
 486         runparams.encoding = rp.encoding;
 487
 488         if (!il.rightdelim().empty())
 489                 os << il.rightdelim();
 490
 491         if (!il.latexname().empty()) {
 492                 if (il.latextype() == InsetLayout::COMMAND) {
 493                         os << "}";
 494                         if (!il.postcommandargs().empty())
 495                                 getArgs(os, runparams, true);
 496                 } else if (il.latextype() == InsetLayout::ENVIRONMENT) {
 497                         // A comment environment doesn't need a % before \n\end
 498                         if (il.isDisplay() || runparams.inComment)
 499                                 os << breakln;
 500                         else
 501                                 os << safebreakln;
 502                         os << "\\end{" << from_utf8(il.latexname()) << "}\n";
 503                         if (!il.isDisplay())
 504                                 os.protectSpace(true);
 505                 }
 506         }
 507 }
 508
 509
 510 int InsetText::plaintext(odocstringstream & os,
 511         OutputParams const & runparams, size_t max_length) const
 512 {
 513         ParagraphList::const_iterator beg = paragraphs().begin();
 514         ParagraphList::const_iterator end = paragraphs().end();
 515         ParagraphList::const_iterator it = beg;
 516         bool ref_printed = false;
 517         int len = 0;
 518         for (; it != end; ++it) {
 519                 if (it != beg) {
 520                         os << '\n';
 521                         if (runparams.linelen > 0)
 522                                 os << '\n';
 523                 }
 524                 odocstringstream oss;
 525                 writePlaintextParagraph(buffer(), *it, oss, runparams, ref_printed, max_length);
 526                 docstring const str = oss.str();
 527                 os << str;
 528                 // FIXME: len is not computed fully correctly; in principle,
 529                 // we have to count the characters after the last '\n'
 530                 len = str.size();
 531                 if (os.str().size() >= max_length)
 532                         break;
 533         }
 534
 535         return len;
 536 }
 537
 538
 539 int InsetText::docbook(odocstream & os, OutputParams const & runparams) const
 540 {
 541         ParagraphList::const_iterator const beg = paragraphs().begin();
 542
 543         if (!undefined())
 544                 sgml::openTag(os, getLayout().latexname(),
 545                               beg->getID(buffer(), runparams) + getLayout().latexparam());
 546
 547         docbookParagraphs(text_, buffer(), os, runparams);
 548
 549         if (!undefined())
 550                 sgml::closeTag(os, getLayout().latexname());
 551
 552         return 0;
 553 }
 554
 555
 556 docstring InsetText::xhtml(XHTMLStream & xs, OutputParams const & runparams) const
 557 {
 558         return insetAsXHTML(xs, runparams, WriteEverything);
 559 }
 560
 561
 562 // FIXME XHTML
 563 // There are cases where we may need to close open fonts and such
 564 // and then re-open them when we are done. This would be the case, e.g.,
 565 // if we were otherwise about to write:
 566 //              <em>word <div class='foot'>footnote text.</div> emph</em>
 567 // The problem isn't so much that the footnote text will get emphasized:
 568 // we can handle that with CSS. The problem is that this is invalid XHTML.
 569 // One solution would be to make the footnote <span>, but the problem is
 570 // completely general, and so we'd have to make absolutely everything into
 571 // span. What I think will work is to check if we're about to write "div" and,
 572 // if so, try to close fonts, etc.
 573 // There are probably limits to how well we can do here, though, and we will
 574 // have to rely upon users not putting footnotes inside noun-type insets.
 575 docstring InsetText::insetAsXHTML(XHTMLStream & xs, OutputParams const & rp,
 576                                   XHTMLOptions opts) const
 577 {
 578         // we will always want to output all our paragraphs when we are
 579         // called this way.
 580         OutputParams runparams = rp;
 581         runparams.par_begin = 0;
 582         runparams.par_end = text().paragraphs().size();
 583
 584         if (undefined()) {
 585                 xhtmlParagraphs(text_, buffer(), xs, runparams);
 586                 return docstring();
 587         }
 588
 589         InsetLayout const & il = getLayout();
 590         if (opts & WriteOuterTag)
 591                 xs << html::StartTag(il.htmltag(), il.htmlattr());
 592
 593         if ((opts & WriteLabel) && !il.counter().empty()) {
 594                 BufferParams const & bp = buffer().masterBuffer()->params();
 595                 Counters & cntrs = bp.documentClass().counters();
 596                 cntrs.step(il.counter(), OutputUpdate);
 597                 // FIXME: translate to paragraph language
 598                 if (!il.htmllabel().empty()) {
 599                         docstring const lbl =
 600                                 cntrs.counterLabel(from_utf8(il.htmllabel()), bp.language->code());
 601                         // FIXME is this check necessary?
 602                         if (!lbl.empty()) {
 603                                 xs << html::StartTag(il.htmllabeltag(), il.htmllabelattr());
 604                                 xs << lbl;
 605                                 xs << html::EndTag(il.htmllabeltag());
 606                         }
 607                 }
 608         }
 609
 610         if (opts & WriteInnerTag)
 611                 xs << html::StartTag(il.htmlinnertag(), il.htmlinnerattr());
 612
 613         // we will eventually lose information about the containing inset
 614         if (!il.isMultiPar() || opts == JustText)
 615                 runparams.html_make_pars = false;
 616         if (il.isPassThru())
 617                 runparams.pass_thru = true;
 618
 619         xhtmlParagraphs(text_, buffer(), xs, runparams);
 620
 621         if (opts & WriteInnerTag)
 622                 xs << html::EndTag(il.htmlinnertag());
 623
 624         if (opts & WriteOuterTag)
 625                 xs << html::EndTag(il.htmltag());
 626
 627         return docstring();
 628 }
 629
 630 void InsetText::getArgs(otexstream & os, OutputParams const & runparams_in,
 631                         bool const post) const
 632 {
 633         OutputParams runparams = runparams_in;
 634         runparams.local_font =
 635                 &paragraphs()[0].getFirstFontSettings(buffer().masterBuffer()->params());
 636         if (isPassThru())
 637                 runparams.pass_thru = true;
 638         if (post)
 639                 latexArgInsets(paragraphs(), paragraphs().begin(), os, runparams, getLayout().postcommandargs(), "post:");
 640         else
 641                 latexArgInsets(paragraphs(), paragraphs().begin(), os, runparams, getLayout().latexargs());
 642 }
 643
 644
 645 void InsetText::cursorPos(BufferView const & bv,
 646                 CursorSlice const & sl, bool boundary, int & x, int & y) const
 647 {
 648         x = bv.textMetrics(&text_).cursorX(sl, boundary) + TEXT_TO_INSET_OFFSET;
 649         y = bv.textMetrics(&text_).cursorY(sl, boundary);
 650 }
 651
 652
 653 void InsetText::setText(docstring const & data, Font const & font, bool trackChanges)
 654 {
 655         clear();
 656         Paragraph & first = paragraphs().front();
 657         for (unsigned int i = 0; i < data.length(); ++i)
 658                 first.insertChar(i, data[i], font, trackChanges);
 659 }
 660
 661
 662 void InsetText::setAutoBreakRows(bool flag)
 663 {
 664         if (flag == text_.autoBreakRows_)
 665                 return;
 666
 667         text_.autoBreakRows_ = flag;
 668         if (flag)
 669                 return;
 670
 671         // remove previously existing newlines
 672         ParagraphList::iterator it = paragraphs().begin();
 673         ParagraphList::iterator end = paragraphs().end();
 674         for (; it != end; ++it)
 675                 for (int i = 0; i < it->size(); ++i)
 676                         if (it->isNewline(i))
 677                                 // do not track the change, because the user
 678                                 // is not allowed to revert/reject it
 679                                 it->eraseChar(i, false);
 680 }
 681
 682
 683 void InsetText::setDrawFrame(bool flag)
 684 {
 685         drawFrame_ = flag;
 686 }
 687
 688
 689 ColorCode InsetText::frameColor() const
 690 {
 691         return frame_color_;
 692 }
 693
 694
 695 void InsetText::setFrameColor(ColorCode col)
 696 {
 697         frame_color_ = col;
 698 }
 699
 700
 701 void InsetText::appendParagraphs(ParagraphList & plist)
 702 {
 703         // There is little we can do here to keep track of changes.
 704         // As of 2006/10/20, appendParagraphs is used exclusively by
 705         // LyXTabular::setMultiColumn. In this context, the paragraph break
 706         // is lost irreversibly and the appended text doesn't really change
 707
 708         ParagraphList & pl = paragraphs();
 709
 710         ParagraphList::iterator pit = plist.begin();
 711         ParagraphList::iterator ins = pl.insert(pl.end(), *pit);
 712         ++pit;
 713         mergeParagraph(buffer().params(), pl,
 714                        distance(pl.begin(), ins) - 1);
 715
 716         for_each(pit, plist.end(),
 717                  bind(&ParagraphList::push_back, ref(pl), _1));
 718 }
 719
 720
 721 void InsetText::addPreview(DocIterator const & text_inset_pos,
 722         PreviewLoader & loader) const
 723 {
 724         ParagraphList::const_iterator pit = paragraphs().begin();
 725         ParagraphList::const_iterator pend = paragraphs().end();
 726         int pidx = 0;
 727
 728         DocIterator inset_pos = text_inset_pos;
 729         inset_pos.push_back(CursorSlice(*const_cast<InsetText *>(this)));
 730
 731         for (; pit != pend; ++pit, ++pidx) {
 732                 InsetList::const_iterator it  = pit->insetList().begin();
 733                 InsetList::const_iterator end = pit->insetList().end();
 734                 inset_pos.pit() = pidx;
 735                 for (; it != end; ++it) {
 736                         inset_pos.pos() = it->pos;
 737                         it->inset->addPreview(inset_pos, loader);
 738                 }
 739         }
 740 }
 741
 742
 743 ParagraphList const & InsetText::paragraphs() const
 744 {
 745         return text_.paragraphs();
 746 }
 747
 748
 749 ParagraphList & InsetText::paragraphs()
 750 {
 751         return text_.paragraphs();
 752 }
 753
 754
 755 bool InsetText::insetAllowed(InsetCode code) const
 756 {
 757         switch (code) {
 758         // Arguments are also allowed in PassThru insets
 759         case ARG_CODE:
 760                 return true;
 761         default:
 762                 return !isPassThru();
 763         }
 764 }
 765
 766
 767 void InsetText::updateBuffer(ParIterator const & it, UpdateType utype)
 768 {
 769         ParIterator it2 = it;
 770         it2.forwardPos();
 771         LASSERT(&it2.inset() == this && it2.pit() == 0, return);
 772         if (producesOutput()) {
 773                 InsetLayout const & il = getLayout();
 774                 bool const save_layouts = utype == OutputUpdate && il.htmlisblock();
 775                 Counters & cnt = buffer().masterBuffer()->params().documentClass().counters();
 776                 if (save_layouts) {
 777                         // LYXERR0("Entering " << name());
 778                         cnt.clearLastLayout();
 779                         // FIXME cnt.saveLastCounter()?
 780                 }
 781                 buffer().updateBuffer(it2, utype);
 782                 if (save_layouts) {
 783                         // LYXERR0("Exiting " << name());
 784                         cnt.restoreLastLayout();
 785                         // FIXME cnt.restoreLastCounter()?
 786                 }
 787         } else {
 788                 DocumentClass const & tclass = buffer().masterBuffer()->params().documentClass();
 789                 // Note that we do not need to call:
 790                 //      tclass.counters().clearLastLayout()
 791                 // since we are saving and restoring the existing counters, etc.
 792                 Counters const savecnt = tclass.counters();
 793                 tclass.counters().reset();
 794                 buffer().updateBuffer(it2, utype);
 795                 tclass.counters() = savecnt;
 796         }
 797 }
 798
 799
 800 void InsetText::toString(odocstream & os) const
 801 {
 802         os << text().asString(0, 1, AS_STR_LABEL | AS_STR_INSETS);
 803 }
 804
 805
 806 void InsetText::forToc(docstring & os, size_t maxlen) const
 807 {
 808         if (!getLayout().isInToc())
 809                 return;
 810         text().forToc(os, maxlen, false);
 811 }
 812
 813
 814 void InsetText::addToToc(DocIterator const & cdit, bool output_active) const
 815 {
 816         DocIterator dit = cdit;
 817         dit.push_back(CursorSlice(const_cast<InsetText &>(*this)));
 818         Toc & toc = buffer().tocBackend().toc("tableofcontents");
 819
 820         BufferParams const & bufparams = buffer_->params();
 821         int const min_toclevel = bufparams.documentClass().min_toclevel();
 822         // we really should have done this before we got here, but it
 823         // can't hurt too much to do it again
 824         bool const doing_output = output_active && producesOutput();
 825
 826         // For each paragraph, traverse its insets and let them add
 827         // their toc items
 828         ParagraphList const & pars = paragraphs();
 829         pit_type pend = paragraphs().size();
 830         for (pit_type pit = 0; pit != pend; ++pit) {
 831                 Paragraph const & par = pars[pit];
 832                 dit.pit() = pit;
 833                 // if we find an optarg, we'll save it for use later.
 834                 InsetText const * arginset = 0;
 835                 InsetList::const_iterator it  = par.insetList().begin();
 836                 InsetList::const_iterator end = par.insetList().end();
 837                 for (; it != end; ++it) {
 838                         Inset & inset = *it->inset;
 839                         dit.pos() = it->pos;
 840                         //lyxerr << (void*)&inset << " code: " << inset.lyxCode() << std::endl;
 841                         inset.addToToc(dit, doing_output);
 842                         if (inset.lyxCode() == ARG_CODE)
 843                                 arginset = inset.asInsetText();
 844                 }
 845                 // now the toc entry for the paragraph
 846                 int const toclevel = text().getTocLevel(pit);
 847                 if (toclevel != Layout::NOT_IN_TOC && toclevel >= min_toclevel) {
 848                         // insert this into the table of contents
 849                         docstring tocstring;
 850                         if (arginset) {
 851                                 tocstring = par.labelString();
 852                                 if (!tocstring.empty())
 853                                         tocstring += ' ';
 854                                 arginset->text().forToc(tocstring, TOC_ENTRY_LENGTH);
 855                         } else
 856                                 par.forToc(tocstring, TOC_ENTRY_LENGTH);
 857                         dit.pos() = 0;
 858                         toc.push_back(TocItem(dit, toclevel - min_toclevel,
 859                                 tocstring, output_active, tocstring));
 860                 }
 861
 862                 // And now the list of changes.
 863                 par.addChangesToToc(dit, buffer(), doing_output);
 864         }
 865 }
 866
 867
 868 bool InsetText::notifyCursorLeaves(Cursor const & old, Cursor & cur)
 869 {
 870         if (buffer().isClean())
 871                 return Inset::notifyCursorLeaves(old, cur);
 872
 873         // find text inset in old cursor
 874         Cursor insetCur = old;
 875         int scriptSlice = insetCur.find(this);
 876         LASSERT(scriptSlice != -1, /**/);
 877         insetCur.cutOff(scriptSlice);
 878         LASSERT(&insetCur.inset() == this, /**/);
 879
 880         // update the old paragraph's words
 881         insetCur.paragraph().updateWords();
 882
 883         return Inset::notifyCursorLeaves(old, cur);
 884 }
 885
 886
 887 bool InsetText::completionSupported(Cursor const & cur) const
 888 {
 889         //LASSERT(&cur.bv().cursor().inset() != this, return false);
 890         return text_.completionSupported(cur);
 891 }
 892
 893
 894 bool InsetText::inlineCompletionSupported(Cursor const & cur) const
 895 {
 896         return completionSupported(cur);
 897 }
 898
 899
 900 bool InsetText::automaticInlineCompletion() const
 901 {
 902         return lyxrc.completion_inline_text;
 903 }
 904
 905
 906 bool InsetText::automaticPopupCompletion() const
 907 {
 908         return lyxrc.completion_popup_text;
 909 }
 910
 911
 912 bool InsetText::showCompletionCursor() const
 913 {
 914         return lyxrc.completion_cursor_text;
 915 }
 916
 917
 918 CompletionList const * InsetText::createCompletionList(Cursor const & cur) const
 919 {
 920         return completionSupported(cur) ? text_.createCompletionList(cur) : 0;
 921 }
 922
 923
 924 docstring InsetText::completionPrefix(Cursor const & cur) const
 925 {
 926         if (!completionSupported(cur))
 927                 return docstring();
 928         return text_.completionPrefix(cur);
 929 }
 930
 931
 932 bool InsetText::insertCompletion(Cursor & cur, docstring const & s,
 933         bool finished)
 934 {
 935         if (!completionSupported(cur))
 936                 return false;
 937
 938         return text_.insertCompletion(cur, s, finished);
 939 }
 940
 941
 942 void InsetText::completionPosAndDim(Cursor const & cur, int & x, int & y,
 943         Dimension & dim) const
 944 {
 945         TextMetrics const & tm = cur.bv().textMetrics(&text_);
 946         tm.completionPosAndDim(cur, x, y, dim);
 947 }
 948
 949
 950 string InsetText::contextMenu(BufferView const &, int, int) const
 951 {
 952         string context_menu = contextMenuName();
 953         if (context_menu != InsetText::contextMenuName())
 954                 context_menu += ";" + InsetText::contextMenuName();
 955         return context_menu;
 956 }
 957
 958
 959 string InsetText::contextMenuName() const
 960 {
 961         return "context-edit";
 962 }
 963
 964
 965 docstring InsetText::toolTipText(docstring prefix,
 966                 size_t numlines, size_t len) const
 967 {
 968         size_t const max_length = numlines * len;
 969         OutputParams rp(&buffer().params().encoding());
 970         rp.for_tooltip = true;
 971         odocstringstream oss;
 972         oss << prefix;
 973
 974         ParagraphList::const_iterator beg = paragraphs().begin();
 975         ParagraphList::const_iterator end = paragraphs().end();
 976         ParagraphList::const_iterator it = beg;
 977         bool ref_printed = false;
 978         docstring str;
 979
 980         for (; it != end; ++it) {
 981                 if (it != beg)
 982                         oss << '\n';
 983                 writePlaintextParagraph(buffer(), *it, oss, rp, ref_printed, max_length);
 984                 str = oss.str();
 985                 if (str.length() >= max_length)
 986                         break;
 987         }
 988         return support::wrapParas(str, 4, len, numlines);
 989 }
 990
 991
 992 InsetCaption const * InsetText::getCaptionInset() const
 993 {
 994         ParagraphList::const_iterator pit = paragraphs().begin();
 995         for (; pit != paragraphs().end(); ++pit) {
 996                 InsetList::const_iterator it = pit->insetList().begin();
 997                 for (; it != pit->insetList().end(); ++it) {
 998                         Inset & inset = *it->inset;
 999                         if (inset.lyxCode() == CAPTION_CODE) {
1000                                 InsetCaption const * ins =
1001                                         static_cast<InsetCaption const *>(it->inset);
1002                                 return ins;
1003                         }
1004                 }
1005         }
1006         return 0;
1007 }
1008
1009
1010 docstring InsetText::getCaptionText(OutputParams const & runparams) const
1011 {
1012         InsetCaption const * ins = getCaptionInset();
1013         if (ins == 0)
1014                 return docstring();
1015
1016         odocstringstream ods;
1017         ins->getCaptionAsPlaintext(ods, runparams);
1018         return ods.str();
1019 }
1020
1021
1022 docstring InsetText::getCaptionHTML(OutputParams const & runparams) const
1023 {
1024         InsetCaption const * ins = getCaptionInset();
1025         if (ins == 0)
1026                 return docstring();
1027
1028         odocstringstream ods;
1029         XHTMLStream xs(ods);
1030         docstring def = ins->getCaptionAsHTML(xs, runparams);
1031         if (!def.empty())
1032                 // should already have been escaped
1033                 xs << XHTMLStream::ESCAPE_NONE << def << '\n';
1034         return ods.str();
1035 }
1036
1037
1038 InsetText::XHTMLOptions operator|(InsetText::XHTMLOptions a1, InsetText::XHTMLOptions a2)
1039 {
1040         return static_cast<InsetText::XHTMLOptions>((int)a1 | (int)a2);
1041 }
1042
1043 } // namespace lyx