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 "InsetList.h"
  31 #include "Intl.h"
  32 #include "Language.h"
  33 #include "Layout.h"
  34 #include "LaTeXFeatures.h"
  35 #include "Lexer.h"
  36 #include "lyxfind.h"
  37 #include "LyXRC.h"
  38 #include "MetricsInfo.h"
  39 #include "output_docbook.h"
  40 #include "output_latex.h"
  41 #include "output_xhtml.h"
  42 #include "OutputParams.h"
  43 #include "output_plaintext.h"
  44 #include "Paragraph.h"
  45 #include "ParagraphParameters.h"
  46 #include "ParIterator.h"
  47 #include "Row.h"
  48 #include "sgml.h"
  49 #include "TexRow.h"
  50 #include "texstream.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/bind.h"
  60 #include "support/convert.h"
  61 #include "support/debug.h"
  62 #include "support/gettext.h"
  63 #include "support/lassert.h"
  64 #include "support/lstrings.h"
  65 #include "support/RefChanger.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), is_changed_(false), frame_color_(Color_insetframe),
  83         text_(this, type == DefaultLayout)
  84 {
  85 }
  86
  87
  88 InsetText::InsetText(InsetText const & in)
  89         : Inset(in), drawFrame_(in.drawFrame_), is_changed_(in.is_changed_),
  90           frame_color_(in.frame_color_),
  91           text_(this, in.text_)
  92 {
  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->setInsetBuffers(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         LBUFERR(!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::dimensionHelper(BufferView const & bv) const
 141 {
 142         TextMetrics const & tm = bv.textMetrics(&text_);
 143         Dimension dim = tm.dim();
 144         dim.wid += leftOffset(&bv) + rightOffset(&bv);
 145         dim.des += bottomOffset(&bv);
 146         dim.asc += topOffset(&bv);
 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         int const horiz_offset = leftOffset(mi.base.bv) + rightOffset(mi.base.bv);
 194
 195         // Hand font through to contained lyxtext:
 196         tm.font_.fontInfo() = mi.base.font;
 197         mi.base.textwidth -= horiz_offset;
 198
 199         // This can happen when a layout has a left and right margin,
 200         // and the view is made very narrow. We can't do better than
 201         // to draw it partly out of view (bug 5890).
 202         if (mi.base.textwidth < 1)
 203                 mi.base.textwidth = 1;
 204
 205         if (hasFixedWidth())
 206                 tm.metrics(mi, dim, mi.base.textwidth);
 207         else
 208                 tm.metrics(mi, dim);
 209         mi.base.textwidth += horiz_offset;
 210         dim.asc += topOffset(mi.base.bv);
 211         dim.des += bottomOffset(mi.base.bv);
 212         dim.wid += horiz_offset;
 213 }
 214
 215
 216 void InsetText::draw(PainterInfo & pi, int x, int y) const
 217 {
 218         TextMetrics & tm = pi.base.bv->textMetrics(&text_);
 219
 220         int const horiz_offset = leftOffset(pi.base.bv) + rightOffset(pi.base.bv);
 221         int const w = tm.width() + (horiz_offset - horiz_offset / 2);
 222         int const yframe = y - topOffset(pi.base.bv) - tm.ascent();
 223         int const h = tm.height() + topOffset(pi.base.bv) + bottomOffset(pi.base.bv);
 224         int const xframe = x + leftOffset(pi.base.bv) / 2;
 225         bool change_drawn = false;
 226         if (pi.full_repaint)
 227                         pi.pain.fillRectangle(xframe, yframe, w, h,
 228                                 pi.backgroundColor(this));
 229
 230         {
 231                 Changer dummy = make_change(pi.background_color,
 232                                             pi.backgroundColor(this, false));
 233                 // The change tracking cue must not be inherited
 234                 Changer dummy2 = make_change(pi.change, Change());
 235                 tm.draw(pi, x + leftOffset(pi.base.bv), y);
 236         }
 237
 238         if (drawFrame_) {
 239                 // Change color of the frame in tracked changes, like for tabulars.
 240                 // Only do so if the color is not custom. But do so even if RowPainter
 241                 // handles the strike-through already.
 242                 Color c;
 243                 if (pi.change.changed()
 244                     // Originally, these are the colors with role Text, from role() in
 245                     // ColorCache.cpp.  The code is duplicated to avoid depending on Qt
 246                     // types, and also maybe it need not match in the future.
 247                     && (frameColor() == Color_foreground
 248                         || frameColor() == Color_cursor
 249                         || frameColor() == Color_preview
 250                         || frameColor() == Color_tabularline
 251                         || frameColor() == Color_previewframe)) {
 252                         c = pi.change.color();
 253                         change_drawn = true;
 254                 } else
 255                         c = frameColor();
 256                 pi.pain.rectangle(xframe, yframe, w, h, c);
 257         }
 258
 259         if (canPaintChange(*pi.base.bv) && (!change_drawn || pi.change.deleted()))
 260                 // Do not draw the change tracking cue if already done by RowPainter and
 261                 // do not draw the cue for INSERTED if the information is already in the
 262                 // color of the frame
 263                 pi.change.paintCue(pi, xframe, yframe, xframe + w, yframe + h);
 264 }
 265
 266
 267 void InsetText::edit(Cursor & cur, bool front, EntryDirection entry_from)
 268 {
 269         pit_type const pit = front ? 0 : paragraphs().size() - 1;
 270         pos_type pos = front ? 0 : paragraphs().back().size();
 271
 272         // if visual information is not to be ignored, move to extreme right/left
 273         if (entry_from != ENTRY_DIRECTION_IGNORE) {
 274                 Cursor temp_cur = cur;
 275                 temp_cur.pit() = pit;
 276                 temp_cur.pos() = pos;
 277                 temp_cur.posVisToRowExtremity(entry_from == ENTRY_DIRECTION_LEFT);
 278                 pos = temp_cur.pos();
 279         }
 280
 281         cur.top().setPitPos(pit, pos);
 282         cur.finishUndo();
 283 }
 284
 285
 286 Inset * InsetText::editXY(Cursor & cur, int x, int y)
 287 {
 288         return cur.bv().textMetrics(&text_).editXY(cur, x, y);
 289 }
 290
 291
 292 void InsetText::doDispatch(Cursor & cur, FuncRequest & cmd)
 293 {
 294         LYXERR(Debug::ACTION, "InsetText::doDispatch(): cmd: " << cmd);
 295
 296         // See bug #9042, for instance.
 297         if (isPassThru()) {
 298                 // Force any new text to latex_language FIXME: This
 299                 // should only be necessary in constructor, but new
 300                 // paragraphs that are created by pressing enter at
 301                 // the start of an existing paragraph get the buffer
 302                 // language and not latex_language, so we take this
 303                 // brute force approach.
 304                 cur.current_font.setLanguage(latex_language);
 305                 cur.real_current_font.setLanguage(latex_language);
 306         }
 307
 308         switch (cmd.action()) {
 309         case LFUN_PASTE:
 310         case LFUN_CLIPBOARD_PASTE:
 311         case LFUN_SELECTION_PASTE:
 312         case LFUN_PRIMARY_SELECTION_PASTE:
 313                 text_.dispatch(cur, cmd);
 314                 // If we we can only store plain text, we must reset all
 315                 // attributes.
 316                 // FIXME: Change only the pasted paragraphs
 317                 fixParagraphsFont();
 318                 break;
 319
 320         case LFUN_INSET_DISSOLVE: {
 321                 bool const main_inset = text_.isMainText();
 322                 bool const target_inset = cmd.argument().empty()
 323                         || cmd.getArg(0) == insetName(lyxCode());
 324
 325                 if (!main_inset && target_inset) {
 326                         // Text::dissolveInset assumes that the cursor
 327                         // is inside the Inset.
 328                         if (&cur.inset() != this)
 329                                 cur.pushBackward(*this);
 330                         cur.beginUndoGroup();
 331                         text_.dispatch(cur, cmd);
 332                         cur.endUndoGroup();
 333                 } else
 334                         cur.undispatched();
 335                 break;
 336         }
 337
 338         default:
 339                 text_.dispatch(cur, cmd);
 340         }
 341
 342         if (!cur.result().dispatched())
 343                 Inset::doDispatch(cur, cmd);
 344 }
 345
 346
 347 bool InsetText::getStatus(Cursor & cur, FuncRequest const & cmd,
 348         FuncStatus & status) const
 349 {
 350         switch (cmd.action()) {
 351         case LFUN_INSET_DISSOLVE: {
 352                 bool const main_inset = text_.isMainText();
 353                 bool const target_inset = cmd.argument().empty()
 354                         || cmd.getArg(0) == insetName(lyxCode());
 355
 356                 if (target_inset)
 357                         status.setEnabled(!main_inset);
 358                 return target_inset;
 359         }
 360
 361         case LFUN_ARGUMENT_INSERT: {
 362                 string const arg = cmd.getArg(0);
 363                 if (arg.empty()) {
 364                         status.setEnabled(false);
 365                         return true;
 366                 }
 367                 if (text_.isMainText() || !cur.paragraph().layout().args().empty())
 368                         return text_.getStatus(cur, cmd, status);
 369
 370                 Layout::LaTeXArgMap args = getLayout().args();
 371                 Layout::LaTeXArgMap::const_iterator const lait = args.find(arg);
 372                 if (lait != args.end()) {
 373                         status.setEnabled(true);
 374                         for (Paragraph const & par : paragraphs())
 375                                 for (auto const & table : par.insetList())
 376                                         if (InsetArgument const * ins = table.inset->asInsetArgument())
 377                                                 if (ins->name() == arg) {
 378                                                         // we have this already
 379                                                         status.setEnabled(false);
 380                                                         return true;
 381                                                 }
 382                 } else
 383                         status.setEnabled(false);
 384                 return true;
 385         }
 386
 387         default:
 388                 // Dispatch only to text_ if the cursor is inside
 389                 // the text_. It is not for context menus (bug 5797).
 390                 bool ret = false;
 391                 if (cur.text() == &text_)
 392                         ret = text_.getStatus(cur, cmd, status);
 393
 394                 if (!ret)
 395                         ret = Inset::getStatus(cur, cmd, status);
 396                 return ret;
 397         }
 398 }
 399
 400
 401 void InsetText::fixParagraphsFont()
 402 {
 403         Font font(inherit_font, buffer().params().language);
 404         font.setLanguage(latex_language);
 405         ParagraphList::iterator par = paragraphs().begin();
 406         ParagraphList::iterator const end = paragraphs().end();
 407         while (par != end) {
 408                 if (par->isPassThru())
 409                         par->resetFonts(font);
 410                 if (!par->allowParagraphCustomization())
 411                         par->params().clear();
 412                 ++par;
 413         }
 414 }
 415
 416
 417 // bool InsetText::isChanged() const
 418 // {
 419 //      ParagraphList::const_iterator pit = paragraphs().begin();
 420 //      ParagraphList::const_iterator end = paragraphs().end();
 421 //      for (; pit != end; ++pit) {
 422 //              if (pit->isChanged())
 423 //                      return true;
 424 //      }
 425 //      return false;
 426 // }
 427
 428
 429 void InsetText::setChange(Change const & change)
 430 {
 431         ParagraphList::iterator pit = paragraphs().begin();
 432         ParagraphList::iterator end = paragraphs().end();
 433         for (; pit != end; ++pit) {
 434                 pit->setChange(change);
 435         }
 436 }
 437
 438
 439 void InsetText::acceptChanges()
 440 {
 441         text_.acceptChanges();
 442 }
 443
 444
 445 void InsetText::rejectChanges()
 446 {
 447         text_.rejectChanges();
 448 }
 449
 450
 451 void InsetText::validate(LaTeXFeatures & features) const
 452 {
 453         features.useInsetLayout(getLayout());
 454         for (Paragraph const & p : paragraphs())
 455                 p.validate(features);
 456 }
 457
 458
 459 void InsetText::latex(otexstream & os, OutputParams const & runparams) const
 460 {
 461         // This implements the standard way of handling the LaTeX
 462         // output of a text inset, either a command or an
 463         // environment. Standard collapsible insets should not
 464         // redefine this, non-standard ones may call this.
 465         InsetLayout const & il = getLayout();
 466         if (il.forceOwnlines())
 467                 os << breakln;
 468         bool needendgroup = false;
 469         if (!il.latexname().empty()) {
 470                 if (il.latextype() == InsetLayout::COMMAND) {
 471                         // FIXME UNICODE
 472                         // FIXME \protect should only be used for fragile
 473                         //    commands, but we do not provide this information yet.
 474                         if (hasCProtectContent(runparams.moving_arg)) {
 475                                 if (contains(runparams.active_chars, '^')) {
 476                                         // cprotect relies on ^ being on catcode 7
 477                                         os << "\\begingroup\\catcode`\\^=7";
 478                                         needendgroup = true;
 479                                 }
 480                                 os << "\\cprotect";
 481                         } else if (runparams.moving_arg)
 482                                 os << "\\protect";
 483                         os << '\\' << from_utf8(il.latexname());
 484                         if (!il.latexargs().empty())
 485                                 getArgs(os, runparams);
 486                         if (!il.latexparam().empty())
 487                                 os << from_utf8(il.latexparam());
 488                         os << '{';
 489                 } else if (il.latextype() == InsetLayout::ENVIRONMENT) {
 490                         if (il.isDisplay())
 491                                 os << breakln;
 492                         else
 493                                 os << safebreakln;
 494                         if (runparams.lastid != -1)
 495                                 os.texrow().start(runparams.lastid,
 496                                                   runparams.lastpos);
 497                         os << "\\begin{" << from_utf8(il.latexname()) << "}";
 498                         if (!il.latexargs().empty())
 499                                 getArgs(os, runparams);
 500                         if (!il.latexparam().empty())
 501                                 os << from_utf8(il.latexparam());
 502                         os << '\n';
 503                 }
 504         } else {
 505                 if (!il.latexargs().empty())
 506                         getArgs(os, runparams);
 507                 if (!il.latexparam().empty())
 508                         os << from_utf8(il.latexparam());
 509         }
 510
 511         if (!il.leftdelim().empty())
 512                 os << il.leftdelim();
 513
 514         OutputParams rp = runparams;
 515         if (isPassThru())
 516                 rp.pass_thru = true;
 517         if (il.isNeedProtect())
 518                 rp.moving_arg = true;
 519         if (il.isNeedMBoxProtect())
 520                 ++rp.inulemcmd;
 521         if (!il.passThruChars().empty())
 522                 rp.pass_thru_chars += il.passThruChars();
 523         if (!il.newlineCmd().empty())
 524                 rp.newlinecmd = il.newlineCmd();
 525         rp.par_begin = 0;
 526         rp.par_end = paragraphs().size();
 527
 528         // Output the contents of the inset
 529         latexParagraphs(buffer(), text_, os, rp);
 530         runparams.encoding = rp.encoding;
 531         // Pass the post_macros upstream
 532         runparams.post_macro = rp.post_macro;
 533
 534         if (!il.rightdelim().empty())
 535                 os << il.rightdelim();
 536
 537         if (!il.latexname().empty()) {
 538                 if (il.latextype() == InsetLayout::COMMAND) {
 539                         os << "}";
 540                         if (!il.postcommandargs().empty())
 541                                 getArgs(os, runparams, true);
 542                         if (needendgroup)
 543                                 os << "\\endgroup";
 544                 } else if (il.latextype() == InsetLayout::ENVIRONMENT) {
 545                         // A comment environment doesn't need a % before \n\end
 546                         if (il.isDisplay() || runparams.inComment)
 547                                 os << breakln;
 548                         else
 549                                 os << safebreakln;
 550                         os << "\\end{" << from_utf8(il.latexname()) << "}" << breakln;
 551                         if (!il.isDisplay())
 552                                 os.protectSpace(true);
 553                 }
 554         }
 555         if (il.forceOwnlines())
 556                 os << breakln;
 557 }
 558
 559
 560 int InsetText::plaintext(odocstringstream & os,
 561         OutputParams const & runparams, size_t max_length) const
 562 {
 563         ParagraphList::const_iterator beg = paragraphs().begin();
 564         ParagraphList::const_iterator end = paragraphs().end();
 565         ParagraphList::const_iterator it = beg;
 566         bool ref_printed = false;
 567         int len = 0;
 568         for (; it != end; ++it) {
 569                 if (it != beg) {
 570                         os << '\n';
 571                         if (runparams.linelen > 0)
 572                                 os << '\n';
 573                 }
 574                 odocstringstream oss;
 575                 writePlaintextParagraph(buffer(), *it, oss, runparams, ref_printed, max_length);
 576                 docstring const str = oss.str();
 577                 os << str;
 578                 // FIXME: len is not computed fully correctly; in principle,
 579                 // we have to count the characters after the last '\n'
 580                 len = str.size();
 581                 if (os.str().size() >= max_length)
 582                         break;
 583         }
 584
 585         return len;
 586 }
 587
 588
 589 int InsetText::docbook(odocstream & os, OutputParams const & runparams) const
 590 {
 591         ParagraphList::const_iterator const beg = paragraphs().begin();
 592
 593         if (!undefined())
 594                 sgml::openTag(os, getLayout().latexname(),
 595                               beg->getID(buffer(), runparams) + getLayout().latexparam());
 596
 597         docbookParagraphs(text_, buffer(), os, runparams);
 598
 599         if (!undefined())
 600                 sgml::closeTag(os, getLayout().latexname());
 601
 602         return 0;
 603 }
 604
 605
 606 docstring InsetText::xhtml(XHTMLStream & xs, OutputParams const & runparams) const
 607 {
 608         return insetAsXHTML(xs, runparams, WriteEverything);
 609 }
 610
 611
 612 // FIXME XHTML
 613 // There are cases where we may need to close open fonts and such
 614 // and then re-open them when we are done. This would be the case, e.g.,
 615 // if we were otherwise about to write:
 616 //              <em>word <div class='foot'>footnote text.</div> emph</em>
 617 // The problem isn't so much that the footnote text will get emphasized:
 618 // we can handle that with CSS. The problem is that this is invalid XHTML.
 619 // One solution would be to make the footnote <span>, but the problem is
 620 // completely general, and so we'd have to make absolutely everything into
 621 // span. What I think will work is to check if we're about to write "div" and,
 622 // if so, try to close fonts, etc.
 623 // There are probably limits to how well we can do here, though, and we will
 624 // have to rely upon users not putting footnotes inside noun-type insets.
 625 docstring InsetText::insetAsXHTML(XHTMLStream & xs, OutputParams const & rp,
 626                                   XHTMLOptions opts) const
 627 {
 628         // we will always want to output all our paragraphs when we are
 629         // called this way.
 630         OutputParams runparams = rp;
 631         runparams.par_begin = 0;
 632         runparams.par_end = text().paragraphs().size();
 633
 634         if (undefined()) {
 635                 xs.startDivision(false);
 636                 xhtmlParagraphs(text_, buffer(), xs, runparams);
 637                 xs.endDivision();
 638                 return docstring();
 639         }
 640
 641         InsetLayout const & il = getLayout();
 642         if (opts & WriteOuterTag)
 643                 xs << html::StartTag(il.htmltag(), il.htmlattr());
 644
 645         if ((opts & WriteLabel) && !il.counter().empty()) {
 646                 BufferParams const & bp = buffer().masterBuffer()->params();
 647                 Counters & cntrs = bp.documentClass().counters();
 648                 cntrs.step(il.counter(), OutputUpdate);
 649                 // FIXME: translate to paragraph language
 650                 if (!il.htmllabel().empty()) {
 651                         docstring const lbl =
 652                                 cntrs.counterLabel(from_utf8(il.htmllabel()), bp.language->code());
 653                         // FIXME is this check necessary?
 654                         if (!lbl.empty()) {
 655                                 xs << html::StartTag(il.htmllabeltag(), il.htmllabelattr());
 656                                 xs << lbl;
 657                                 xs << html::EndTag(il.htmllabeltag());
 658                         }
 659                 }
 660         }
 661
 662         if (opts & WriteInnerTag)
 663                 xs << html::StartTag(il.htmlinnertag(), il.htmlinnerattr());
 664
 665         // we will eventually lose information about the containing inset
 666         if (!allowMultiPar() || opts == JustText)
 667                 runparams.html_make_pars = false;
 668         if (il.isPassThru())
 669                 runparams.pass_thru = true;
 670
 671         xs.startDivision(false);
 672         xhtmlParagraphs(text_, buffer(), xs, runparams);
 673         xs.endDivision();
 674
 675         if (opts & WriteInnerTag)
 676                 xs << html::EndTag(il.htmlinnertag());
 677
 678         if (opts & WriteOuterTag)
 679                 xs << html::EndTag(il.htmltag());
 680
 681         return docstring();
 682 }
 683
 684
 685 void InsetText::getArgs(otexstream & os, OutputParams const & runparams_in,
 686                         bool const post) const
 687 {
 688         OutputParams runparams = runparams_in;
 689         runparams.local_font =
 690                 &paragraphs()[0].getFirstFontSettings(buffer().masterBuffer()->params());
 691         if (isPassThru())
 692                 runparams.pass_thru = true;
 693         if (post)
 694                 latexArgInsetsForParent(paragraphs(), os, runparams,
 695                                         getLayout().postcommandargs(), "post:");
 696         else
 697                 latexArgInsetsForParent(paragraphs(), os, runparams,
 698                                         getLayout().latexargs());
 699 }
 700
 701
 702 void InsetText::cursorPos(BufferView const & bv,
 703                 CursorSlice const & sl, bool boundary, int & x, int & y) const
 704 {
 705         x = bv.textMetrics(&text_).cursorX(sl, boundary) + leftOffset(&bv);
 706         y = bv.textMetrics(&text_).cursorY(sl, boundary);
 707 }
 708
 709
 710 void InsetText::setText(docstring const & data, Font const & font, bool trackChanges)
 711 {
 712         clear();
 713         Paragraph & first = paragraphs().front();
 714         for (unsigned int i = 0; i < data.length(); ++i)
 715                 first.insertChar(i, data[i], font, trackChanges);
 716 }
 717
 718
 719 void InsetText::setDrawFrame(bool flag)
 720 {
 721         drawFrame_ = flag;
 722 }
 723
 724
 725 ColorCode InsetText::frameColor() const
 726 {
 727         return frame_color_;
 728 }
 729
 730
 731 void InsetText::setFrameColor(ColorCode col)
 732 {
 733         frame_color_ = col;
 734 }
 735
 736
 737 void InsetText::appendParagraphs(ParagraphList & plist)
 738 {
 739         // There is little we can do here to keep track of changes.
 740         // As of 2006/10/20, appendParagraphs is used exclusively by
 741         // LyXTabular::setMultiColumn. In this context, the paragraph break
 742         // is lost irreversibly and the appended text doesn't really change
 743
 744         ParagraphList & pl = paragraphs();
 745
 746         ParagraphList::iterator pit = plist.begin();
 747         ParagraphList::iterator ins = pl.insert(pl.end(), *pit);
 748         ++pit;
 749         mergeParagraph(buffer().params(), pl,
 750                        distance(pl.begin(), ins) - 1);
 751
 752         for_each(pit, plist.end(),
 753                  bind(&ParagraphList::push_back, ref(pl), _1));
 754 }
 755
 756
 757 void InsetText::addPreview(DocIterator const & text_inset_pos,
 758         PreviewLoader & loader) const
 759 {
 760         ParagraphList::const_iterator pit = paragraphs().begin();
 761         ParagraphList::const_iterator pend = paragraphs().end();
 762         int pidx = 0;
 763
 764         DocIterator inset_pos = text_inset_pos;
 765         inset_pos.push_back(CursorSlice(*const_cast<InsetText *>(this)));
 766
 767         for (; pit != pend; ++pit, ++pidx) {
 768                 InsetList::const_iterator it  = pit->insetList().begin();
 769                 InsetList::const_iterator end = pit->insetList().end();
 770                 inset_pos.pit() = pidx;
 771                 for (; it != end; ++it) {
 772                         inset_pos.pos() = it->pos;
 773                         it->inset->addPreview(inset_pos, loader);
 774                 }
 775         }
 776 }
 777
 778
 779 ParagraphList const & InsetText::paragraphs() const
 780 {
 781         return text_.paragraphs();
 782 }
 783
 784
 785 ParagraphList & InsetText::paragraphs()
 786 {
 787         return text_.paragraphs();
 788 }
 789
 790
 791 bool InsetText::hasCProtectContent(bool fragile) const
 792 {
 793         fragile |= getLayout().isNeedProtect();
 794         ParagraphList const & pars = paragraphs();
 795         pit_type pend = pit_type(paragraphs().size());
 796         for (pit_type pit = 0; pit != pend; ++pit) {
 797                 Paragraph const & par = pars[size_type(pit)];
 798                 if (par.needsCProtection(fragile))
 799                         return true;
 800         }
 801         return false;
 802 }
 803
 804
 805 bool InsetText::insetAllowed(InsetCode code) const
 806 {
 807         switch (code) {
 808         // Arguments and (plain) quotes are also allowed in PassThru insets
 809         case ARG_CODE:
 810         case QUOTE_CODE:
 811                 return true;
 812         default:
 813                 return !isPassThru();
 814         }
 815 }
 816
 817
 818 void InsetText::updateBuffer(ParIterator const & it, UpdateType utype, bool const deleted)
 819 {
 820         ParIterator it2 = it;
 821         it2.forwardPos();
 822         LASSERT(&it2.inset() == this && it2.pit() == 0, return);
 823         if (producesOutput()) {
 824                 InsetLayout const & il = getLayout();
 825                 bool const save_layouts = utype == OutputUpdate && il.htmlisblock();
 826                 Counters & cnt = buffer().masterBuffer()->params().documentClass().counters();
 827                 if (save_layouts) {
 828                         // LYXERR0("Entering " << name());
 829                         cnt.clearLastLayout();
 830                         // FIXME cnt.saveLastCounter()?
 831                 }
 832                 buffer().updateBuffer(it2, utype, deleted);
 833                 if (save_layouts) {
 834                         // LYXERR0("Exiting " << name());
 835                         cnt.restoreLastLayout();
 836                         // FIXME cnt.restoreLastCounter()?
 837                 }
 838         } else {
 839                 DocumentClass const & tclass = buffer().masterBuffer()->params().documentClass();
 840                 // Note that we do not need to call:
 841                 //      tclass.counters().clearLastLayout()
 842                 // since we are saving and restoring the existing counters, etc.
 843                 Counters savecnt = tclass.counters();
 844                 tclass.counters().reset();
 845                 // we need float information even in note insets (#9760)
 846                 tclass.counters().current_float(savecnt.current_float());
 847                 tclass.counters().isSubfloat(savecnt.isSubfloat());
 848                 buffer().updateBuffer(it2, utype, deleted);
 849                 tclass.counters() = move(savecnt);
 850         }
 851 }
 852
 853
 854 void InsetText::toString(odocstream & os) const
 855 {
 856         os << text().asString(0, 1, AS_STR_LABEL | AS_STR_INSETS);
 857 }
 858
 859
 860 void InsetText::forOutliner(docstring & os, size_t const maxlen,
 861                                                         bool const shorten) const
 862 {
 863         if (!getLayout().isInToc())
 864                 return;
 865         text().forOutliner(os, maxlen, shorten);
 866 }
 867
 868
 869 void InsetText::addToToc(DocIterator const & cdit, bool output_active,
 870                                                  UpdateType utype, TocBackend & backend) const
 871 {
 872         DocIterator dit = cdit;
 873         dit.push_back(CursorSlice(const_cast<InsetText &>(*this)));
 874         iterateForToc(dit, output_active, utype, backend);
 875 }
 876
 877
 878 void InsetText::iterateForToc(DocIterator const & cdit, bool output_active,
 879                                                           UpdateType utype, TocBackend & backend) const
 880 {
 881         DocIterator dit = cdit;
 882         // This also ensures that any document has a table of contents
 883         shared_ptr<Toc> toc = backend.toc("tableofcontents");
 884
 885         BufferParams const & bufparams = buffer_->params();
 886         int const min_toclevel = bufparams.documentClass().min_toclevel();
 887         // we really should have done this before we got here, but it
 888         // can't hurt too much to do it again
 889         bool const doing_output = output_active && producesOutput();
 890
 891         // For each paragraph,
 892         // * Add a toc item for the paragraph if it is AddToToc--merging adjacent
 893         //   paragraphs as needed.
 894         // * Traverse its insets and let them add their toc items
 895         // * Compute the main table of contents (this is hardcoded)
 896         // * Add the list of changes
 897         ParagraphList const & pars = paragraphs();
 898         pit_type pend = paragraphs().size();
 899         // Record pairs {start,end} of where a toc item was opened for a paragraph
 900         // and where it must be closed
 901         stack<pair<pit_type, pit_type>> addtotoc_stack;
 902
 903         for (pit_type pit = 0; pit != pend; ++pit) {
 904                 Paragraph const & par = pars[pit];
 905                 dit.pit() = pit;
 906                 dit.pos() = 0;
 907
 908                 // Custom AddToToc in paragraph layouts (i.e. theorems)
 909                 if (par.layout().addToToc() && text().isFirstInSequence(pit)) {
 910                         pit_type end =
 911                                 openAddToTocForParagraph(pit, dit, output_active, backend);
 912                         addtotoc_stack.push({pit, end});
 913                 }
 914
 915                 // If we find an InsetArgument that is supposed to provide the TOC caption,
 916                 // we'll save it for use later.
 917                 InsetArgument const * arginset = nullptr;
 918                 for (auto const & table : par.insetList()) {
 919                         dit.pos() = table.pos;
 920                         table.inset->addToToc(dit, doing_output, utype, backend);
 921                         if (InsetArgument const * x = table.inset->asInsetArgument())
 922                                 if (x->isTocCaption())
 923                                         arginset = x;
 924                 }
 925
 926                 // End custom AddToToc in paragraph layouts
 927                 while (!addtotoc_stack.empty() && addtotoc_stack.top().second == pit) {
 928                         // execute the closing function
 929                         closeAddToTocForParagraph(addtotoc_stack.top().first,
 930                                                   addtotoc_stack.top().second, backend);
 931                         addtotoc_stack.pop();
 932                 }
 933
 934                 // now the toc entry for the paragraph in the main table of contents
 935                 int const toclevel = text().getTocLevel(pit);
 936                 if (toclevel != Layout::NOT_IN_TOC && toclevel >= min_toclevel) {
 937                         // insert this into the table of contents
 938                         docstring tocstring;
 939                         int const length = (doing_output && utype == OutputUpdate) ?
 940                                 INT_MAX : TOC_ENTRY_LENGTH;
 941                         if (arginset) {
 942                                 tocstring = par.labelString();
 943                                 if (!tocstring.empty())
 944                                         tocstring += ' ';
 945                                 arginset->text().forOutliner(tocstring, length);
 946                         } else
 947                                 par.forOutliner(tocstring, length);
 948                         dit.pos() = 0;
 949                         toc->push_back(TocItem(dit, toclevel - min_toclevel,
 950                                                tocstring, doing_output));
 951                 }
 952
 953                 // And now the list of changes.
 954                 par.addChangesToToc(dit, buffer(), doing_output, backend);
 955         }
 956 }
 957
 958
 959 pit_type InsetText::openAddToTocForParagraph(pit_type pit,
 960                                              DocIterator const & dit,
 961                                              bool output_active,
 962                                              TocBackend & backend) const
 963 {
 964         Paragraph const & par = paragraphs()[pit];
 965         TocBuilder & b = backend.builder(par.layout().tocType());
 966         docstring const label = par.labelString();
 967         b.pushItem(dit, label + (label.empty() ? "" : " "), output_active);
 968         return text().lastInSequence(pit);
 969 }
 970
 971
 972 void InsetText::closeAddToTocForParagraph(pit_type start, pit_type end,
 973                                           TocBackend & backend) const
 974 {
 975         Paragraph const & par = paragraphs()[start];
 976         TocBuilder & b = backend.builder(par.layout().tocType());
 977         if (par.layout().isTocCaption()) {
 978                 docstring str;
 979                 text().forOutliner(str, TOC_ENTRY_LENGTH, start, end);
 980                 b.argumentItem(str);
 981         }
 982         b.pop();
 983 }
 984
 985
 986 bool InsetText::notifyCursorLeaves(Cursor const & old, Cursor & cur)
 987 {
 988         if (buffer().isClean())
 989                 return Inset::notifyCursorLeaves(old, cur);
 990
 991         // find text inset in old cursor
 992         Cursor insetCur = old;
 993         int scriptSlice = insetCur.find(this);
 994         // we can try to continue here. returning true means
 995         // the cursor is "now" invalid. which it was.
 996         LASSERT(scriptSlice != -1, return true);
 997         insetCur.cutOff(scriptSlice);
 998         LASSERT(&insetCur.inset() == this, return true);
 999
1000         // update the old paragraph's words
1001         insetCur.paragraph().updateWords();
1002
1003         return Inset::notifyCursorLeaves(old, cur);
1004 }
1005
1006
1007 bool InsetText::completionSupported(Cursor const & cur) const
1008 {
1009         //LASSERT(&cur.bv().cursor().inset() == this, return false);
1010         return text_.completionSupported(cur);
1011 }
1012
1013
1014 bool InsetText::inlineCompletionSupported(Cursor const & cur) const
1015 {
1016         return completionSupported(cur);
1017 }
1018
1019
1020 bool InsetText::automaticInlineCompletion() const
1021 {
1022         return lyxrc.completion_inline_text;
1023 }
1024
1025
1026 bool InsetText::automaticPopupCompletion() const
1027 {
1028         return lyxrc.completion_popup_text;
1029 }
1030
1031
1032 bool InsetText::showCompletionCursor() const
1033 {
1034         return lyxrc.completion_cursor_text;
1035 }
1036
1037
1038 CompletionList const * InsetText::createCompletionList(Cursor const & cur) const
1039 {
1040         return completionSupported(cur) ? text_.createCompletionList(cur) : 0;
1041 }
1042
1043
1044 docstring InsetText::completionPrefix(Cursor const & cur) const
1045 {
1046         if (!completionSupported(cur))
1047                 return docstring();
1048         return text_.completionPrefix(cur);
1049 }
1050
1051
1052 bool InsetText::insertCompletion(Cursor & cur, docstring const & s,
1053         bool finished)
1054 {
1055         if (!completionSupported(cur))
1056                 return false;
1057
1058         return text_.insertCompletion(cur, s, finished);
1059 }
1060
1061
1062 void InsetText::completionPosAndDim(Cursor const & cur, int & x, int & y,
1063         Dimension & dim) const
1064 {
1065         TextMetrics const & tm = cur.bv().textMetrics(&text_);
1066         tm.completionPosAndDim(cur, x, y, dim);
1067 }
1068
1069
1070 string InsetText::contextMenu(BufferView const &, int, int) const
1071 {
1072         string context_menu = contextMenuName();
1073         if (context_menu != InsetText::contextMenuName())
1074                 context_menu += ";" + InsetText::contextMenuName();
1075         return context_menu;
1076 }
1077
1078
1079 string InsetText::contextMenuName() const
1080 {
1081         return "context-edit";
1082 }
1083
1084
1085 docstring InsetText::toolTipText(docstring prefix, size_t const len) const
1086 {
1087         OutputParams rp(&buffer().params().encoding());
1088         rp.for_tooltip = true;
1089         odocstringstream oss;
1090         oss << prefix;
1091
1092         ParagraphList::const_iterator beg = paragraphs().begin();
1093         ParagraphList::const_iterator end = paragraphs().end();
1094         ParagraphList::const_iterator it = beg;
1095         bool ref_printed = false;
1096
1097         for (; it != end; ++it) {
1098                 if (it != beg)
1099                         oss << '\n';
1100                 if ((*it).isRTL(buffer().params()))
1101                         oss << "<div dir=\"rtl\">";
1102                 writePlaintextParagraph(buffer(), *it, oss, rp, ref_printed, len);
1103                 if (oss.tellp() >= 0 && size_t(oss.tellp()) > len)
1104                         break;
1105         }
1106         docstring str = oss.str();
1107         if (isChanged())
1108                 str += from_ascii("\n\n") + _("[contains tracked changes]");
1109         support::truncateWithEllipsis(str, len);
1110         return str;
1111 }
1112
1113
1114 InsetText::XHTMLOptions operator|(InsetText::XHTMLOptions a1, InsetText::XHTMLOptions a2)
1115 {
1116         return static_cast<InsetText::XHTMLOptions>((int)a1 | (int)a2);
1117 }
1118
1119
1120 bool InsetText::needsCProtection(bool const maintext, bool const fragile) const
1121 {
1122         // Nested cprotect content needs \cprotect
1123         // on each level
1124         if (producesOutput() && hasCProtectContent(fragile))
1125                 return true;
1126
1127         // Environments generally need cprotection in fragile context
1128         if (fragile && getLayout().latextype() == InsetLayout::ENVIRONMENT)
1129                 return true;
1130
1131         if (!getLayout().needsCProtect())
1132                 return false;
1133
1134         // Environments and "no latex" types (e.g., knitr chunks)
1135         // need cprotection regardless the content
1136         if (!maintext && getLayout().latextype() != InsetLayout::COMMAND)
1137                 return true;
1138
1139         // If the inset does not produce output (e.g. Note or Branch),
1140         // we can ignore the contained paragraphs
1141         if (!producesOutput())
1142                 return false;
1143
1144         // Commands need cprotection if they contain specific chars
1145         int const nchars_escape = 9;
1146         static char_type const chars_escape[nchars_escape] = {
1147                 '&', '_', '$', '%', '#', '^', '{', '}', '\\'};
1148
1149         ParagraphList const & pars = paragraphs();
1150         pit_type pend = pit_type(paragraphs().size());
1151
1152         for (pit_type pit = 0; pit != pend; ++pit) {
1153                 Paragraph const & par = pars[size_type(pit)];
1154                 if (par.needsCProtection(fragile))
1155                         return true;
1156                 docstring const par_str = par.asString();
1157                 for (int k = 0; k < nchars_escape; k++) {
1158                         if (contains(par_str, chars_escape[k]))
1159                                 return true;
1160                 }
1161         }
1162         return false;
1163 }
1164
1165 } // namespace lyx