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Prevent outputting \maketitle within an inset embedded in title.
[features.git] / 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 "xml.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/convert.h"
60 #include "support/debug.h"
61 #include "support/gettext.h"
62 #include "support/lassert.h"
63 #include "support/lstrings.h"
64 #include "support/RefChanger.h"
65
66 #include <algorithm>
67
68
69 using namespace std;
70 using namespace lyx::support;
71
72
73 namespace lyx {
74
75 using graphics::PreviewLoader;
76
77
78 /////////////////////////////////////////////////////////////////////
79
80 InsetText::InsetText(Buffer * buf, UsePlain type)
81         : Inset(buf), drawFrame_(false), is_changed_(false), intitle_context_(false),
82           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           intitle_context_(false), 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         // These need to be passed upstream as well
534         runparams.need_maketitle = rp.need_maketitle;
535         runparams.have_maketitle = rp.have_maketitle;
536
537         if (!il.rightdelim().empty())
538                 os << il.rightdelim();
539
540         if (!il.latexname().empty()) {
541                 if (il.latextype() == InsetLayout::COMMAND) {
542                         os << "}";
543                         if (!il.postcommandargs().empty())
544                                 getArgs(os, runparams, true);
545                         if (needendgroup)
546                                 os << "\\endgroup";
547                 } else if (il.latextype() == InsetLayout::ENVIRONMENT) {
548                         // A comment environment doesn't need a % before \n\end
549                         if (il.isDisplay() || runparams.inComment)
550                                 os << breakln;
551                         else
552                                 os << safebreakln;
553                         os << "\\end{" << from_utf8(il.latexname()) << "}" << breakln;
554                         if (!il.isDisplay())
555                                 os.protectSpace(true);
556                 }
557         }
558         if (il.forceOwnlines())
559                 os << breakln;
560 }
561
562
563 int InsetText::plaintext(odocstringstream & os,
564         OutputParams const & runparams, size_t max_length) const
565 {
566         ParagraphList::const_iterator beg = paragraphs().begin();
567         ParagraphList::const_iterator end = paragraphs().end();
568         ParagraphList::const_iterator it = beg;
569         bool ref_printed = false;
570         int len = 0;
571         for (; it != end; ++it) {
572                 if (it != beg) {
573                         os << '\n';
574                         if (runparams.linelen > 0 && !getLayout().parbreakIsNewline())
575                                 os << '\n';
576                 }
577                 odocstringstream oss;
578                 writePlaintextParagraph(buffer(), *it, oss, runparams, ref_printed, max_length);
579                 docstring const str = oss.str();
580                 os << str;
581                 // FIXME: len is not computed fully correctly; in principle,
582                 // we have to count the characters after the last '\n'
583                 len = str.size();
584                 if (os.str().size() >= max_length)
585                         break;
586         }
587
588         return len;
589 }
590
591
592 int InsetText::docbook(odocstream & os, OutputParams const & runparams) const
593 {
594         ParagraphList::const_iterator const beg = paragraphs().begin();
595
596         if (!undefined())
597                 xml::openTag(os, getLayout().latexname(),
598                               beg->getID(buffer(), runparams) + getLayout().latexparam());
599
600         docbookParagraphs(text_, buffer(), os, runparams);
601
602         if (!undefined())
603                 xml::closeTag(os, getLayout().latexname());
604
605         return 0;
606 }
607
608
609 docstring InsetText::xhtml(XMLStream & xs, OutputParams const & runparams) const
610 {
611         return insetAsXHTML(xs, runparams, WriteEverything);
612 }
613
614
615 // FIXME XHTML
616 // There are cases where we may need to close open fonts and such
617 // and then re-open them when we are done. This would be the case, e.g.,
618 // if we were otherwise about to write:
619 //              <em>word <div class='foot'>footnote text.</div> emph</em>
620 // The problem isn't so much that the footnote text will get emphasized:
621 // we can handle that with CSS. The problem is that this is invalid XHTML.
622 // One solution would be to make the footnote <span>, but the problem is
623 // completely general, and so we'd have to make absolutely everything into
624 // span. What I think will work is to check if we're about to write "div" and,
625 // if so, try to close fonts, etc.
626 // There are probably limits to how well we can do here, though, and we will
627 // have to rely upon users not putting footnotes inside noun-type insets.
628 docstring InsetText::insetAsXHTML(XMLStream & xs, OutputParams const & rp,
629                                   XHTMLOptions opts) const
630 {
631         // we will always want to output all our paragraphs when we are
632         // called this way.
633         OutputParams runparams = rp;
634         runparams.par_begin = 0;
635         runparams.par_end = text().paragraphs().size();
636
637         if (undefined()) {
638                 xs.startDivision(false);
639                 xhtmlParagraphs(text_, buffer(), xs, runparams);
640                 xs.endDivision();
641                 return docstring();
642         }
643
644         InsetLayout const & il = getLayout();
645         if (opts & WriteOuterTag)
646                 xs << xml::StartTag(il.htmltag(), il.htmlattr());
647
648         if ((opts & WriteLabel) && !il.counter().empty()) {
649                 BufferParams const & bp = buffer().masterBuffer()->params();
650                 Counters & cntrs = bp.documentClass().counters();
651                 cntrs.step(il.counter(), OutputUpdate);
652                 // FIXME: translate to paragraph language
653                 if (!il.htmllabel().empty()) {
654                         docstring const lbl =
655                                 cntrs.counterLabel(from_utf8(il.htmllabel()), bp.language->code());
656                         // FIXME is this check necessary?
657                         if (!lbl.empty()) {
658                                 xs << xml::StartTag(il.htmllabeltag(), il.htmllabelattr());
659                                 xs << lbl;
660                                 xs << xml::EndTag(il.htmllabeltag());
661                         }
662                 }
663         }
664
665         if (opts & WriteInnerTag)
666                 xs << xml::StartTag(il.htmlinnertag(), il.htmlinnerattr());
667
668         // we will eventually lose information about the containing inset
669         if (!allowMultiPar() || opts == JustText)
670                 runparams.html_make_pars = false;
671         if (il.isPassThru())
672                 runparams.pass_thru = true;
673
674         xs.startDivision(false);
675         xhtmlParagraphs(text_, buffer(), xs, runparams);
676         xs.endDivision();
677
678         if (opts & WriteInnerTag)
679                 xs << xml::EndTag(il.htmlinnertag());
680
681         if (opts & WriteOuterTag)
682                 xs << xml::EndTag(il.htmltag());
683
684         return docstring();
685 }
686
687
688 void InsetText::getArgs(otexstream & os, OutputParams const & runparams_in,
689                         bool const post) const
690 {
691         OutputParams runparams = runparams_in;
692         runparams.local_font =
693                 &paragraphs()[0].getFirstFontSettings(buffer().masterBuffer()->params());
694         if (isPassThru())
695                 runparams.pass_thru = true;
696         if (post)
697                 latexArgInsetsForParent(paragraphs(), os, runparams,
698                                         getLayout().postcommandargs(), "post:");
699         else
700                 latexArgInsetsForParent(paragraphs(), os, runparams,
701                                         getLayout().latexargs());
702 }
703
704
705 void InsetText::cursorPos(BufferView const & bv,
706                 CursorSlice const & sl, bool boundary, int & x, int & y) const
707 {
708         x = bv.textMetrics(&text_).cursorX(sl, boundary) + leftOffset(&bv);
709         y = bv.textMetrics(&text_).cursorY(sl, boundary);
710 }
711
712
713 void InsetText::setText(docstring const & data, Font const & font, bool trackChanges)
714 {
715         clear();
716         Paragraph & first = paragraphs().front();
717         for (unsigned int i = 0; i < data.length(); ++i)
718                 first.insertChar(i, data[i], font, trackChanges);
719 }
720
721
722 void InsetText::setDrawFrame(bool flag)
723 {
724         drawFrame_ = flag;
725 }
726
727
728 ColorCode InsetText::frameColor() const
729 {
730         return frame_color_;
731 }
732
733
734 void InsetText::setFrameColor(ColorCode col)
735 {
736         frame_color_ = col;
737 }
738
739
740 void InsetText::appendParagraphs(ParagraphList & plist)
741 {
742         // There is little we can do here to keep track of changes.
743         // As of 2006/10/20, appendParagraphs is used exclusively by
744         // LyXTabular::setMultiColumn. In this context, the paragraph break
745         // is lost irreversibly and the appended text doesn't really change
746
747         ParagraphList & pl = paragraphs();
748
749         ParagraphList::iterator pit = plist.begin();
750         ParagraphList::iterator ins = pl.insert(pl.end(), *pit);
751         ++pit;
752         mergeParagraph(buffer().params(), pl,
753                        distance(pl.begin(), ins) - 1);
754
755         ParagraphList::iterator const pend = plist.end();
756         for (; pit != pend; ++pit)
757                 pl.push_back(*pit);
758 }
759
760
761 void InsetText::addPreview(DocIterator const & text_inset_pos,
762         PreviewLoader & loader) const
763 {
764         ParagraphList::const_iterator pit = paragraphs().begin();
765         ParagraphList::const_iterator pend = paragraphs().end();
766         int pidx = 0;
767
768         DocIterator inset_pos = text_inset_pos;
769         inset_pos.push_back(CursorSlice(*const_cast<InsetText *>(this)));
770
771         for (; pit != pend; ++pit, ++pidx) {
772                 InsetList::const_iterator it  = pit->insetList().begin();
773                 InsetList::const_iterator end = pit->insetList().end();
774                 inset_pos.pit() = pidx;
775                 for (; it != end; ++it) {
776                         inset_pos.pos() = it->pos;
777                         it->inset->addPreview(inset_pos, loader);
778                 }
779         }
780 }
781
782
783 ParagraphList const & InsetText::paragraphs() const
784 {
785         return text_.paragraphs();
786 }
787
788
789 ParagraphList & InsetText::paragraphs()
790 {
791         return text_.paragraphs();
792 }
793
794
795 bool InsetText::hasCProtectContent(bool fragile) const
796 {
797         fragile |= getLayout().isNeedProtect();
798         ParagraphList const & pars = paragraphs();
799         pit_type pend = pit_type(paragraphs().size());
800         for (pit_type pit = 0; pit != pend; ++pit) {
801                 Paragraph const & par = pars[size_type(pit)];
802                 if (par.needsCProtection(fragile))
803                         return true;
804         }
805         return false;
806 }
807
808
809 bool InsetText::insetAllowed(InsetCode code) const
810 {
811         switch (code) {
812         // Arguments and (plain) quotes are also allowed in PassThru insets
813         case ARG_CODE:
814         case QUOTE_CODE:
815                 return true;
816         default:
817                 return !isPassThru();
818         }
819 }
820
821
822 void InsetText::updateBuffer(ParIterator const & it, UpdateType utype, bool const deleted)
823 {
824         ParIterator it2 = it;
825         it2.forwardPos();
826         LASSERT(&it2.inset() == this && it2.pit() == 0, return);
827         if (producesOutput()) {
828                 InsetLayout const & il = getLayout();
829                 bool const save_layouts = utype == OutputUpdate && il.htmlisblock();
830                 Counters & cnt = buffer().masterBuffer()->params().documentClass().counters();
831                 if (save_layouts) {
832                         // LYXERR0("Entering " << name());
833                         cnt.clearLastLayout();
834                         // FIXME cnt.saveLastCounter()?
835                 }
836                 buffer().updateBuffer(it2, utype, deleted);
837                 if (save_layouts) {
838                         // LYXERR0("Exiting " << name());
839                         cnt.restoreLastLayout();
840                         // FIXME cnt.restoreLastCounter()?
841                 }
842                 // Record in this inset is embedded in a title layout
843                 // This is needed to decide when \maketitle is output.
844                 intitle_context_ = it.paragraph().layout().intitle;
845         } else {
846                 DocumentClass const & tclass = buffer().masterBuffer()->params().documentClass();
847                 // Note that we do not need to call:
848                 //      tclass.counters().clearLastLayout()
849                 // since we are saving and restoring the existing counters, etc.
850                 Counters savecnt = tclass.counters();
851                 tclass.counters().reset();
852                 // we need float information even in note insets (#9760)
853                 tclass.counters().current_float(savecnt.current_float());
854                 tclass.counters().isSubfloat(savecnt.isSubfloat());
855                 buffer().updateBuffer(it2, utype, deleted);
856                 tclass.counters() = move(savecnt);
857         }
858 }
859
860
861 void InsetText::toString(odocstream & os) const
862 {
863         os << text().asString(0, 1, AS_STR_LABEL | AS_STR_INSETS);
864 }
865
866
867 void InsetText::forOutliner(docstring & os, size_t const maxlen,
868                                                         bool const shorten) const
869 {
870         if (!getLayout().isInToc())
871                 return;
872         text().forOutliner(os, maxlen, shorten);
873 }
874
875
876 void InsetText::addToToc(DocIterator const & cdit, bool output_active,
877                                                  UpdateType utype, TocBackend & backend) const
878 {
879         DocIterator dit = cdit;
880         dit.push_back(CursorSlice(const_cast<InsetText &>(*this)));
881         iterateForToc(dit, output_active, utype, backend);
882 }
883
884
885 void InsetText::iterateForToc(DocIterator const & cdit, bool output_active,
886                                                           UpdateType utype, TocBackend & backend) const
887 {
888         DocIterator dit = cdit;
889         // This also ensures that any document has a table of contents
890         shared_ptr<Toc> toc = backend.toc("tableofcontents");
891
892         BufferParams const & bufparams = buffer_->params();
893         int const min_toclevel = bufparams.documentClass().min_toclevel();
894         // we really should have done this before we got here, but it
895         // can't hurt too much to do it again
896         bool const doing_output = output_active && producesOutput();
897
898         // For each paragraph,
899         // * Add a toc item for the paragraph if it is AddToToc--merging adjacent
900         //   paragraphs as needed.
901         // * Traverse its insets and let them add their toc items
902         // * Compute the main table of contents (this is hardcoded)
903         // * Add the list of changes
904         ParagraphList const & pars = paragraphs();
905         pit_type pend = paragraphs().size();
906         // Record pairs {start,end} of where a toc item was opened for a paragraph
907         // and where it must be closed
908         stack<pair<pit_type, pit_type>> addtotoc_stack;
909
910         for (pit_type pit = 0; pit != pend; ++pit) {
911                 Paragraph const & par = pars[pit];
912                 dit.pit() = pit;
913                 dit.pos() = 0;
914
915                 // Custom AddToToc in paragraph layouts (i.e. theorems)
916                 if (par.layout().addToToc() && text().isFirstInSequence(pit)) {
917                         pit_type end =
918                                 openAddToTocForParagraph(pit, dit, output_active, backend);
919                         addtotoc_stack.push({pit, end});
920                 }
921
922                 // If we find an InsetArgument that is supposed to provide the TOC caption,
923                 // we'll save it for use later.
924                 InsetArgument const * arginset = nullptr;
925                 for (auto const & table : par.insetList()) {
926                         dit.pos() = table.pos;
927                         table.inset->addToToc(dit, doing_output, utype, backend);
928                         if (InsetArgument const * x = table.inset->asInsetArgument())
929                                 if (x->isTocCaption())
930                                         arginset = x;
931                 }
932
933                 // End custom AddToToc in paragraph layouts
934                 while (!addtotoc_stack.empty() && addtotoc_stack.top().second == pit) {
935                         // execute the closing function
936                         closeAddToTocForParagraph(addtotoc_stack.top().first,
937                                                   addtotoc_stack.top().second, backend);
938                         addtotoc_stack.pop();
939                 }
940
941                 // now the toc entry for the paragraph in the main table of contents
942                 int const toclevel = text().getTocLevel(pit);
943                 if (toclevel != Layout::NOT_IN_TOC && toclevel >= min_toclevel) {
944                         // insert this into the table of contents
945                         docstring tocstring;
946                         int const length = (doing_output && utype == OutputUpdate) ?
947                                 INT_MAX : TOC_ENTRY_LENGTH;
948                         if (arginset) {
949                                 tocstring = par.labelString();
950                                 if (!tocstring.empty())
951                                         tocstring += ' ';
952                                 arginset->text().forOutliner(tocstring, length);
953                         } else
954                                 par.forOutliner(tocstring, length);
955                         dit.pos() = 0;
956                         toc->push_back(TocItem(dit, toclevel - min_toclevel,
957                                                tocstring, doing_output));
958                 }
959
960                 // And now the list of changes.
961                 par.addChangesToToc(dit, buffer(), doing_output, backend);
962         }
963 }
964
965
966 pit_type InsetText::openAddToTocForParagraph(pit_type pit,
967                                              DocIterator const & dit,
968                                              bool output_active,
969                                              TocBackend & backend) const
970 {
971         Paragraph const & par = paragraphs()[pit];
972         TocBuilder & b = backend.builder(par.layout().tocType());
973         docstring const label = par.labelString();
974         b.pushItem(dit, label + (label.empty() ? "" : " "), output_active);
975         return text().lastInSequence(pit);
976 }
977
978
979 void InsetText::closeAddToTocForParagraph(pit_type start, pit_type end,
980                                           TocBackend & backend) const
981 {
982         Paragraph const & par = paragraphs()[start];
983         TocBuilder & b = backend.builder(par.layout().tocType());
984         if (par.layout().isTocCaption()) {
985                 docstring str;
986                 text().forOutliner(str, TOC_ENTRY_LENGTH, start, end);
987                 b.argumentItem(str);
988         }
989         b.pop();
990 }
991
992
993 bool InsetText::notifyCursorLeaves(Cursor const & old, Cursor & cur)
994 {
995         if (buffer().isClean())
996                 return Inset::notifyCursorLeaves(old, cur);
997
998         // find text inset in old cursor
999         Cursor insetCur = old;
1000         int scriptSlice = insetCur.find(this);
1001         // we can try to continue here. returning true means
1002         // the cursor is "now" invalid. which it was.
1003         LASSERT(scriptSlice != -1, return true);
1004         insetCur.cutOff(scriptSlice);
1005         LASSERT(&insetCur.inset() == this, return true);
1006
1007         // update the old paragraph's words
1008         insetCur.paragraph().updateWords();
1009
1010         return Inset::notifyCursorLeaves(old, cur);
1011 }
1012
1013
1014 bool InsetText::completionSupported(Cursor const & cur) const
1015 {
1016         //LASSERT(&cur.bv().cursor().inset() == this, return false);
1017         return text_.completionSupported(cur);
1018 }
1019
1020
1021 bool InsetText::inlineCompletionSupported(Cursor const & cur) const
1022 {
1023         return completionSupported(cur);
1024 }
1025
1026
1027 bool InsetText::automaticInlineCompletion() const
1028 {
1029         return lyxrc.completion_inline_text;
1030 }
1031
1032
1033 bool InsetText::automaticPopupCompletion() const
1034 {
1035         return lyxrc.completion_popup_text;
1036 }
1037
1038
1039 bool InsetText::showCompletionCursor() const
1040 {
1041         return lyxrc.completion_cursor_text;
1042 }
1043
1044
1045 CompletionList const * InsetText::createCompletionList(Cursor const & cur) const
1046 {
1047         return completionSupported(cur) ? text_.createCompletionList(cur) : 0;
1048 }
1049
1050
1051 docstring InsetText::completionPrefix(Cursor const & cur) const
1052 {
1053         if (!completionSupported(cur))
1054                 return docstring();
1055         return text_.completionPrefix(cur);
1056 }
1057
1058
1059 bool InsetText::insertCompletion(Cursor & cur, docstring const & s,
1060         bool finished)
1061 {
1062         if (!completionSupported(cur))
1063                 return false;
1064
1065         return text_.insertCompletion(cur, s, finished);
1066 }
1067
1068
1069 void InsetText::completionPosAndDim(Cursor const & cur, int & x, int & y,
1070         Dimension & dim) const
1071 {
1072         TextMetrics const & tm = cur.bv().textMetrics(&text_);
1073         tm.completionPosAndDim(cur, x, y, dim);
1074 }
1075
1076
1077 string InsetText::contextMenu(BufferView const &, int, int) const
1078 {
1079         string context_menu = contextMenuName();
1080         if (context_menu != InsetText::contextMenuName())
1081                 context_menu += ";" + InsetText::contextMenuName();
1082         return context_menu;
1083 }
1084
1085
1086 string InsetText::contextMenuName() const
1087 {
1088         return "context-edit";
1089 }
1090
1091
1092 docstring InsetText::toolTipText(docstring prefix, size_t const len) const
1093 {
1094         OutputParams rp(&buffer().params().encoding());
1095         rp.for_tooltip = true;
1096         odocstringstream oss;
1097         oss << prefix;
1098
1099         ParagraphList::const_iterator beg = paragraphs().begin();
1100         ParagraphList::const_iterator end = paragraphs().end();
1101         ParagraphList::const_iterator it = beg;
1102         bool ref_printed = false;
1103
1104         for (; it != end; ++it) {
1105                 if (it != beg)
1106                         oss << '\n';
1107                 if ((*it).isRTL(buffer().params()))
1108                         oss << "<div dir=\"rtl\">";
1109                 writePlaintextParagraph(buffer(), *it, oss, rp, ref_printed, len);
1110                 if (oss.tellp() >= 0 && size_t(oss.tellp()) > len)
1111                         break;
1112         }
1113         docstring str = oss.str();
1114         if (isChanged())
1115                 str += from_ascii("\n\n") + _("[contains tracked changes]");
1116         support::truncateWithEllipsis(str, len);
1117         return str;
1118 }
1119
1120
1121 InsetText::XHTMLOptions operator|(InsetText::XHTMLOptions a1, InsetText::XHTMLOptions a2)
1122 {
1123         return static_cast<InsetText::XHTMLOptions>((int)a1 | (int)a2);
1124 }
1125
1126
1127 bool InsetText::needsCProtection(bool const maintext, bool const fragile) const
1128 {
1129         // Nested cprotect content needs \cprotect
1130         // on each level
1131         if (producesOutput() && hasCProtectContent(fragile))
1132                 return true;
1133
1134         // Environments generally need cprotection in fragile context
1135         if (fragile && getLayout().latextype() == InsetLayout::ENVIRONMENT)
1136                 return true;
1137
1138         if (!getLayout().needsCProtect())
1139                 return false;
1140
1141         // Environments and "no latex" types (e.g., knitr chunks)
1142         // need cprotection regardless the content
1143         if (!maintext && getLayout().latextype() != InsetLayout::COMMAND)
1144                 return true;
1145
1146         // If the inset does not produce output (e.g. Note or Branch),
1147         // we can ignore the contained paragraphs
1148         if (!producesOutput())
1149                 return false;
1150
1151         // Commands need cprotection if they contain specific chars
1152         int const nchars_escape = 9;
1153         static char_type const chars_escape[nchars_escape] = {
1154                 '&', '_', '$', '%', '#', '^', '{', '}', '\\'};
1155
1156         ParagraphList const & pars = paragraphs();
1157         pit_type pend = pit_type(paragraphs().size());
1158
1159         for (pit_type pit = 0; pit != pend; ++pit) {
1160                 Paragraph const & par = pars[size_type(pit)];
1161                 if (par.needsCProtection(fragile))
1162                         return true;
1163                 docstring const par_str = par.asString();
1164                 for (int k = 0; k < nchars_escape; k++) {
1165                         if (contains(par_str, chars_escape[k]))
1166                                 return true;
1167                 }
1168         }
1169         return false;
1170 }
1171
1172 } // namespace lyx