3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Asger Alstrup
7 * \author Lars Gullik Bjønnes
8 * \author Jean-Marc Lasgouttes
10 * \author André Pönitz
12 * \author Jürgen Vigna
14 * Full author contact details are available in file CREDITS.
23 #include "buffer_funcs.h"
24 #include "bufferparams.h"
25 #include "BufferView.h"
26 #include "bufferview_funcs.h"
28 #include "pariterator.h"
29 #include "coordcache.h"
30 #include "CutAndPaste.h"
32 #include "dispatchresult.h"
34 #include "errorlist.h"
35 #include "funcrequest.h"
37 #include "FontIterator.h"
41 #include "lyxlength.h"
45 #include "metricsinfo.h"
46 #include "paragraph.h"
47 #include "paragraph_funcs.h"
48 #include "ParagraphParameters.h"
49 #include "rowpainter.h"
52 #include "WordLangTuple.h"
54 #include "frontends/FontMetrics.h"
55 #include "frontends/Painter.h"
57 #include "insets/insettext.h"
58 #include "insets/insetbibitem.h"
59 #include "insets/insethfill.h"
60 #include "insets/insetlatexaccent.h"
61 #include "insets/insetline.h"
62 #include "insets/insetnewline.h"
63 #include "insets/insetpagebreak.h"
64 #include "insets/insetoptarg.h"
65 #include "insets/insetspace.h"
66 #include "insets/insetspecialchar.h"
67 #include "insets/insettabular.h"
69 #include "support/lstrings.h"
70 #include "support/textutils.h"
71 #include "support/convert.h"
73 #include <boost/current_function.hpp>
87 using support::bformat;
88 using support::contains;
89 using support::lowercase;
91 using support::uppercase;
93 using cap::cutSelection;
94 using cap::pasteParagraphList;
96 using frontend::FontMetrics;
100 void readParToken(Buffer const & buf, Paragraph & par, LyXLex & lex,
101 string const & token, LyXFont & font, Change & change, ErrorList & errorList)
103 BufferParams const & bp = buf.params();
105 if (token[0] != '\\') {
107 string::const_iterator cit = token.begin();
108 for (; cit != token.end(); ++cit)
109 par.insertChar(par.size(), (*cit), font, change);
111 docstring dstr = lex.getDocString();
112 docstring::const_iterator cit = dstr.begin();
113 docstring::const_iterator cend = dstr.end();
114 for (; cit != cend; ++cit)
115 par.insertChar(par.size(), *cit, font, change);
117 } else if (token == "\\begin_layout") {
119 string layoutname = lex.getString();
121 font = LyXFont(LyXFont::ALL_INHERIT, bp.language);
122 change = Change(Change::UNCHANGED);
124 LyXTextClass const & tclass = bp.getLyXTextClass();
126 if (layoutname.empty()) {
127 layoutname = tclass.defaultLayoutName();
130 bool hasLayout = tclass.hasLayout(layoutname);
133 errorList.push_back(ErrorItem(_("Unknown layout"),
134 bformat(_("Layout '%1$s' does not exist in textclass '%2$s'\nTrying to use the default instead.\n"),
135 from_utf8(layoutname), from_utf8(tclass.name())), par.id(), 0, par.size()));
136 layoutname = tclass.defaultLayoutName();
139 par.layout(bp.getLyXTextClass()[layoutname]);
141 // Test whether the layout is obsolete.
142 LyXLayout_ptr const & layout = par.layout();
143 if (!layout->obsoleted_by().empty())
144 par.layout(bp.getLyXTextClass()[layout->obsoleted_by()]);
146 par.params().read(lex);
148 } else if (token == "\\end_layout") {
149 lyxerr << BOOST_CURRENT_FUNCTION
150 << ": Solitary \\end_layout in line "
151 << lex.getLineNo() << "\n"
152 << "Missing \\begin_layout?.\n";
153 } else if (token == "\\end_inset") {
154 lyxerr << BOOST_CURRENT_FUNCTION
155 << ": Solitary \\end_inset in line "
156 << lex.getLineNo() << "\n"
157 << "Missing \\begin_inset?.\n";
158 } else if (token == "\\begin_inset") {
159 InsetBase * inset = readInset(lex, buf);
161 par.insertInset(par.size(), inset, font, change);
164 docstring line = lex.getDocString();
165 errorList.push_back(ErrorItem(_("Unknown Inset"), line,
166 par.id(), 0, par.size()));
168 } else if (token == "\\family") {
170 font.setLyXFamily(lex.getString());
171 } else if (token == "\\series") {
173 font.setLyXSeries(lex.getString());
174 } else if (token == "\\shape") {
176 font.setLyXShape(lex.getString());
177 } else if (token == "\\size") {
179 font.setLyXSize(lex.getString());
180 } else if (token == "\\lang") {
182 string const tok = lex.getString();
183 Language const * lang = languages.getLanguage(tok);
185 font.setLanguage(lang);
187 font.setLanguage(bp.language);
188 lex.printError("Unknown language `$$Token'");
190 } else if (token == "\\numeric") {
192 font.setNumber(font.setLyXMisc(lex.getString()));
193 } else if (token == "\\emph") {
195 font.setEmph(font.setLyXMisc(lex.getString()));
196 } else if (token == "\\bar") {
198 string const tok = lex.getString();
201 font.setUnderbar(LyXFont::ON);
202 else if (tok == "no")
203 font.setUnderbar(LyXFont::OFF);
204 else if (tok == "default")
205 font.setUnderbar(LyXFont::INHERIT);
207 lex.printError("Unknown bar font flag "
209 } else if (token == "\\noun") {
211 font.setNoun(font.setLyXMisc(lex.getString()));
212 } else if (token == "\\color") {
214 font.setLyXColor(lex.getString());
215 } else if (token == "\\InsetSpace" || token == "\\SpecialChar") {
217 // Insets don't make sense in a free-spacing context! ---Kayvan
218 if (par.isFreeSpacing()) {
219 if (token == "\\InsetSpace")
220 par.insertChar(par.size(), ' ', font, change);
221 else if (lex.isOK()) {
223 string const next_token = lex.getString();
224 if (next_token == "\\-")
225 par.insertChar(par.size(), '-', font, change);
227 lex.printError("Token `$$Token' "
229 "paragraph layout!");
233 auto_ptr<InsetBase> inset;
234 if (token == "\\SpecialChar" )
235 inset.reset(new InsetSpecialChar);
237 inset.reset(new InsetSpace);
238 inset->read(buf, lex);
239 par.insertInset(par.size(), inset.release(),
242 } else if (token == "\\i") {
243 auto_ptr<InsetBase> inset(new InsetLatexAccent);
244 inset->read(buf, lex);
245 par.insertInset(par.size(), inset.release(), font, change);
246 } else if (token == "\\backslash") {
247 par.insertChar(par.size(), '\\', font, change);
248 } else if (token == "\\newline") {
249 auto_ptr<InsetBase> inset(new InsetNewline);
250 inset->read(buf, lex);
251 par.insertInset(par.size(), inset.release(), font, change);
252 } else if (token == "\\LyXTable") {
253 auto_ptr<InsetBase> inset(new InsetTabular(buf));
254 inset->read(buf, lex);
255 par.insertInset(par.size(), inset.release(), font, change);
256 } else if (token == "\\hfill") {
257 par.insertInset(par.size(), new InsetHFill, font, change);
258 } else if (token == "\\lyxline") {
259 par.insertInset(par.size(), new InsetLine, font, change);
260 } else if (token == "\\newpage") {
261 par.insertInset(par.size(), new InsetPagebreak, font, change);
262 } else if (token == "\\clearpage") {
263 par.insertInset(par.size(), new InsetClearPage, font, change);
264 } else if (token == "\\cleardoublepage") {
265 par.insertInset(par.size(), new InsetClearDoublePage, font, change);
266 } else if (token == "\\change_unchanged") {
267 change = Change(Change::UNCHANGED);
268 } else if (token == "\\change_inserted") {
270 std::istringstream is(lex.getString());
274 if (aid >= bp.author_map.size()) {
275 errorList.push_back(ErrorItem(_("Change tracking error"),
276 bformat(_("Unknown author index for insertion: %1$d\n"), aid),
277 par.id(), 0, par.size()));
278 change = Change(Change::UNCHANGED);
280 change = Change(Change::INSERTED, bp.author_map[aid], ct);
281 } else if (token == "\\change_deleted") {
283 std::istringstream is(lex.getString());
287 if (aid >= bp.author_map.size()) {
288 errorList.push_back(ErrorItem(_("Change tracking error"),
289 bformat(_("Unknown author index for deletion: %1$d\n"), aid),
290 par.id(), 0, par.size()));
291 change = Change(Change::UNCHANGED);
293 change = Change(Change::DELETED, bp.author_map[aid], ct);
296 errorList.push_back(ErrorItem(_("Unknown token"),
297 bformat(_("Unknown token: %1$s %2$s\n"), from_utf8(token),
299 par.id(), 0, par.size()));
304 void readParagraph(Buffer const & buf, Paragraph & par, LyXLex & lex,
305 ErrorList & errorList)
308 string token = lex.getString();
310 Change change(Change::UNCHANGED);
313 readParToken(buf, par, lex, token, font, change, errorList);
316 token = lex.getString();
321 if (token == "\\end_layout") {
322 //Ok, paragraph finished
326 lyxerr[Debug::PARSER] << "Handling paragraph token: `"
327 << token << '\'' << endl;
328 if (token == "\\begin_layout" || token == "\\end_document"
329 || token == "\\end_inset" || token == "\\begin_deeper"
330 || token == "\\end_deeper") {
331 lex.pushToken(token);
332 lyxerr << "Paragraph ended in line "
333 << lex.getLineNo() << "\n"
334 << "Missing \\end_layout.\n";
338 // Final change goes to paragraph break:
339 par.setChange(par.size(), change);
341 // Initialize begin_of_body_ on load; redoParagraph maintains
342 par.setBeginOfBody();
350 double LyXText::spacing(Buffer const & buffer,
351 Paragraph const & par) const
353 if (par.params().spacing().isDefault())
354 return buffer.params().spacing().getValue();
355 return par.params().spacing().getValue();
359 int LyXText::singleWidth(Buffer const & buffer, Paragraph const & par,
362 return singleWidth(par, pos, par.getChar(pos),
363 getFont(buffer, par, pos));
367 int LyXText::singleWidth(Paragraph const & par,
368 pos_type pos, char_type c, LyXFont const & font) const
370 // The most common case is handled first (Asger)
371 if (isPrintable(c)) {
372 Language const * language = font.language();
373 if (language->rightToLeft()) {
374 if ((lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 ||
375 lyxrc.font_norm_type == LyXRC::ISO_10646_1)
376 && language->lang() == "arabic") {
377 if (Encodings::isComposeChar_arabic(c))
379 c = par.transformChar(c, pos);
380 } else if (language->lang() == "hebrew" &&
381 Encodings::isComposeChar_hebrew(c))
384 return theFontMetrics(font).width(c);
387 if (c == Paragraph::META_INSET)
388 return par.getInset(pos)->width();
390 return theFontMetrics(font).width(c);
394 int LyXText::leftMargin(Buffer const & buffer, int max_width, pit_type pit) const
396 BOOST_ASSERT(pit >= 0);
397 BOOST_ASSERT(pit < int(pars_.size()));
398 return leftMargin(buffer, max_width, pit, pars_[pit].size());
402 int LyXText::leftMargin(Buffer const & buffer, int max_width,
403 pit_type const pit, pos_type const pos) const
405 BOOST_ASSERT(pit >= 0);
406 BOOST_ASSERT(pit < int(pars_.size()));
407 Paragraph const & par = pars_[pit];
408 BOOST_ASSERT(pos >= 0);
409 BOOST_ASSERT(pos <= par.size());
410 //lyxerr << "LyXText::leftMargin: pit: " << pit << " pos: " << pos << endl;
411 LyXTextClass const & tclass = buffer.params().getLyXTextClass();
412 LyXLayout_ptr const & layout = par.layout();
414 string parindent = layout->parindent;
418 if (isMainText(buffer))
419 l_margin += changebarMargin();
422 docstring leftm = from_utf8(tclass.leftmargin());
423 l_margin += theFontMetrics(buffer.params().getFont()).signedWidth(leftm);
425 if (par.getDepth() != 0) {
426 // find the next level paragraph
427 pit_type newpar = outerHook(pit, pars_);
428 if (newpar != pit_type(pars_.size())) {
429 if (pars_[newpar].layout()->isEnvironment()) {
430 l_margin = leftMargin(buffer, max_width, newpar);
432 if (par.layout() == tclass.defaultLayout()) {
433 if (pars_[newpar].params().noindent())
436 parindent = pars_[newpar].layout()->parindent;
441 // This happens after sections in standard classes. The 1.3.x
442 // code compared depths too, but it does not seem necessary
444 if (par.layout() == tclass.defaultLayout()
445 && pit > 0 && pars_[pit - 1].layout()->nextnoindent)
448 LyXFont const labelfont = getLabelFont(buffer, par);
449 FontMetrics const & labelfont_metrics = theFontMetrics(labelfont);
451 switch (layout->margintype) {
453 if (!layout->leftmargin.empty()) {
455 docstring leftm = from_utf8(layout->leftmargin);
456 l_margin += theFontMetrics(buffer.params().getFont()).signedWidth(leftm);
458 if (!par.getLabelstring().empty()) {
460 docstring labin = from_utf8(layout->labelindent);
461 l_margin += labelfont_metrics.signedWidth(labin);
462 docstring labstr = par.getLabelstring();
463 l_margin += labelfont_metrics.width(labstr);
464 docstring labsep = from_utf8(layout->labelsep);
465 l_margin += labelfont_metrics.width(labsep);
469 case MARGIN_MANUAL: {
471 docstring labin = from_utf8(layout->labelindent);
472 l_margin += labelfont_metrics.signedWidth(labin);
473 // The width of an empty par, even with manual label, should be 0
474 if (!par.empty() && pos >= par.beginOfBody()) {
475 if (!par.getLabelWidthString().empty()) {
476 docstring labstr = par.getLabelWidthString();
477 l_margin += labelfont_metrics.width(labstr);
478 docstring labsep = from_utf8(layout->labelsep);
479 l_margin += labelfont_metrics.width(labsep);
485 case MARGIN_STATIC: {
487 docstring leftm = from_utf8(layout->leftmargin);
488 l_margin += theFontMetrics(buffer.params().getFont()).signedWidth(leftm)
489 * 4 / (par.getDepth() + 4);
493 case MARGIN_FIRST_DYNAMIC:
494 if (layout->labeltype == LABEL_MANUAL) {
495 if (pos >= par.beginOfBody()) {
497 l_margin += labelfont_metrics.signedWidth(
498 from_utf8(layout->leftmargin));
501 l_margin += labelfont_metrics.signedWidth(
502 from_utf8(layout->labelindent));
505 // Special case to fix problems with
507 || (layout->labeltype == LABEL_STATIC
508 && layout->latextype == LATEX_ENVIRONMENT
509 && !isFirstInSequence(pit, pars_))) {
511 l_margin += labelfont_metrics.signedWidth(from_utf8(layout->leftmargin));
512 } else if (layout->labeltype != LABEL_TOP_ENVIRONMENT
513 && layout->labeltype != LABEL_BIBLIO
514 && layout->labeltype !=
515 LABEL_CENTERED_TOP_ENVIRONMENT) {
516 l_margin += labelfont_metrics.signedWidth(from_utf8(layout->labelindent));
517 l_margin += labelfont_metrics.width(from_utf8(layout->labelsep));
518 l_margin += labelfont_metrics.width(par.getLabelstring());
522 case MARGIN_RIGHT_ADDRESS_BOX: {
524 // ok, a terrible hack. The left margin depends on the widest
525 // row in this paragraph.
526 RowList::iterator rit = par.rows().begin();
527 RowList::iterator end = par.rows().end();
529 #warning This is wrong.
531 int minfill = max_width;
532 for ( ; rit != end; ++rit)
533 if (rit->fill() < minfill)
534 minfill = rit->fill();
535 l_margin += theFontMetrics(params.getFont()).signedWidth(layout->leftmargin);
538 // also wrong, but much shorter.
539 l_margin += max_width / 2;
544 if (!par.params().leftIndent().zero())
545 l_margin += par.params().leftIndent().inPixels(max_width);
549 if (par.params().align() == LYX_ALIGN_LAYOUT)
550 align = layout->align;
552 align = par.params().align();
554 // set the correct parindent
556 && (layout->labeltype == LABEL_NO_LABEL
557 || layout->labeltype == LABEL_TOP_ENVIRONMENT
558 || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT
559 || (layout->labeltype == LABEL_STATIC
560 && layout->latextype == LATEX_ENVIRONMENT
561 && !isFirstInSequence(pit, pars_)))
562 && align == LYX_ALIGN_BLOCK
563 && !par.params().noindent()
564 // in some insets, paragraphs are never indented
565 && !(par.inInset() && par.inInset()->neverIndent(buffer))
566 // display style insets are always centered, omit indentation
569 && par.getInset(pos)->display())
570 && (par.layout() != tclass.defaultLayout()
571 || buffer.params().paragraph_separation ==
572 BufferParams::PARSEP_INDENT))
574 docstring din = from_utf8(parindent);
575 l_margin += theFontMetrics(buffer.params().getFont()).signedWidth(din);
582 LColor_color LyXText::backgroundColor() const
584 return LColor_color(LColor::color(background_color_));
588 void LyXText::breakParagraph(LCursor & cur, bool keep_layout)
590 BOOST_ASSERT(this == cur.text());
592 Paragraph & cpar = cur.paragraph();
593 pit_type cpit = cur.pit();
595 LyXTextClass const & tclass = cur.buffer().params().getLyXTextClass();
596 LyXLayout_ptr const & layout = cpar.layout();
598 // this is only allowed, if the current paragraph is not empty
599 // or caption and if it has not the keepempty flag active
600 if (cur.lastpos() == 0 && !cpar.allowEmpty() &&
601 layout->labeltype != LABEL_SENSITIVE)
604 // a layout change may affect also the following paragraph
605 recUndo(cur, cur.pit(), undoSpan(cur.pit()) - 1);
607 // Always break behind a space
608 // It is better to erase the space (Dekel)
609 if (cur.pos() != cur.lastpos() && cpar.isLineSeparator(cur.pos()))
610 cpar.eraseChar(cur.pos(), cur.buffer().params().trackChanges);
612 // What should the layout for the new paragraph be?
613 int preserve_layout = 0;
617 preserve_layout = layout->isEnvironment();
619 // We need to remember this before we break the paragraph, because
620 // that invalidates the layout variable
621 bool sensitive = layout->labeltype == LABEL_SENSITIVE;
623 // we need to set this before we insert the paragraph.
624 bool const isempty = cpar.allowEmpty() && cpar.empty();
626 lyx::breakParagraph(cur.buffer().params(), paragraphs(), cpit,
627 cur.pos(), preserve_layout);
629 // After this, neither paragraph contains any rows!
632 pit_type next_par = cpit + 1;
634 // well this is the caption hack since one caption is really enough
637 // set to standard-layout
638 pars_[cpit].applyLayout(tclass.defaultLayout());
640 // set to standard-layout
641 pars_[next_par].applyLayout(tclass.defaultLayout());
644 while (!pars_[next_par].empty() && pars_[next_par].isNewline(0)) {
645 if (!pars_[next_par].eraseChar(0, cur.buffer().params().trackChanges))
646 break; // the character couldn't be deleted physically due to change tracking
649 ParIterator current_it(cur);
650 ParIterator last_it(cur);
654 updateLabels(cur.buffer(), current_it, last_it);
656 // A singlePar update is not enough in this case.
657 cur.updateFlags(Update::Force);
659 // This check is necessary. Otherwise the new empty paragraph will
660 // be deleted automatically. And it is more friendly for the user!
661 if (cur.pos() != 0 || isempty)
662 setCursor(cur.top(), cur.pit() + 1, 0);
664 setCursor(cur.top(), cur.pit(), 0);
668 // insert a character, moves all the following breaks in the
669 // same Paragraph one to the right and make a rebreak
670 void LyXText::insertChar(LCursor & cur, char_type c)
672 BOOST_ASSERT(this == cur.text());
673 BOOST_ASSERT(c != Paragraph::META_INSET);
675 recordUndo(cur, Undo::INSERT);
677 Buffer const & buffer = cur.buffer();
678 Paragraph & par = cur.paragraph();
679 // try to remove this
680 pit_type const pit = cur.pit();
682 bool const freeSpacing = par.layout()->free_spacing ||
685 if (lyxrc.auto_number) {
686 static docstring const number_operators = from_ascii("+-/*");
687 static docstring const number_unary_operators = from_ascii("+-");
688 static docstring const number_seperators = from_ascii(".,:");
690 if (current_font.number() == LyXFont::ON) {
691 if (!isDigit(c) && !contains(number_operators, c) &&
692 !(contains(number_seperators, c) &&
694 cur.pos() != cur.lastpos() &&
695 getFont(buffer, par, cur.pos()).number() == LyXFont::ON &&
696 getFont(buffer, par, cur.pos() - 1).number() == LyXFont::ON)
698 number(cur); // Set current_font.number to OFF
699 } else if (isDigit(c) &&
700 real_current_font.isVisibleRightToLeft()) {
701 number(cur); // Set current_font.number to ON
703 if (cur.pos() != 0) {
704 char_type const c = par.getChar(cur.pos() - 1);
705 if (contains(number_unary_operators, c) &&
707 || par.isSeparator(cur.pos() - 2)
708 || par.isNewline(cur.pos() - 2))
710 setCharFont(buffer, pit, cur.pos() - 1, current_font);
711 } else if (contains(number_seperators, c)
713 && getFont(buffer, par, cur.pos() - 2).number() == LyXFont::ON) {
714 setCharFont(buffer, pit, cur.pos() - 1, current_font);
720 // First check, if there will be two blanks together or a blank at
721 // the beginning of a paragraph.
722 // I decided to handle blanks like normal characters, the main
723 // difference are the special checks when calculating the row.fill
724 // (blank does not count at the end of a row) and the check here
726 // When the free-spacing option is set for the current layout,
727 // disable the double-space checking
728 if (!freeSpacing && isLineSeparatorChar(c)) {
729 if (cur.pos() == 0) {
730 static bool sent_space_message = false;
731 if (!sent_space_message) {
732 cur.message(_("You cannot insert a space at the "
733 "beginning of a paragraph. Please read the Tutorial."));
734 sent_space_message = true;
738 BOOST_ASSERT(cur.pos() > 0);
739 if ((par.isLineSeparator(cur.pos() - 1) || par.isNewline(cur.pos() - 1))
740 && !par.isDeleted(cur.pos() - 1)) {
741 static bool sent_space_message = false;
742 if (!sent_space_message) {
743 cur.message(_("You cannot type two spaces this way. "
744 "Please read the Tutorial."));
745 sent_space_message = true;
751 par.insertChar(cur.pos(), c, current_font, cur.buffer().params().trackChanges);
753 // cur.updateFlags(Update::Force);
754 setCursor(cur.top(), cur.pit(), cur.pos() + 1);
759 void LyXText::charInserted()
761 // Here we call finishUndo for every 20 characters inserted.
762 // This is from my experience how emacs does it. (Lgb)
763 static unsigned int counter;
773 // the cursor set functions have a special mechanism. When they
774 // realize, that you left an empty paragraph, they will delete it.
776 bool LyXText::cursorRightOneWord(LCursor & cur)
778 BOOST_ASSERT(this == cur.text());
782 if (old.pos() == old.lastpos() && old.pit() != old.lastpit()) {
786 // Advance through word.
787 while (old.pos() != old.lastpos() && old.paragraph().isLetter(old.pos()))
789 // Skip through trailing nonword stuff.
790 while (old.pos() != old.lastpos() && !old.paragraph().isLetter(old.pos()))
793 return setCursor(cur, old.pit(), old.pos());
797 bool LyXText::cursorLeftOneWord(LCursor & cur)
799 BOOST_ASSERT(this == cur.text());
803 if (old.pos() == 0 && old.pit() != 0) {
805 old.pos() = old.lastpos();
807 // Skip through initial nonword stuff.
808 while (old.pos() != 0 && !old.paragraph().isLetter(old.pos() - 1))
810 // Advance through word.
811 while (old.pos() != 0 && old.paragraph().isLetter(old.pos() - 1))
814 return setCursor(cur, old.pit(), old.pos());
818 void LyXText::selectWord(LCursor & cur, word_location loc)
820 BOOST_ASSERT(this == cur.text());
821 CursorSlice from = cur.top();
822 CursorSlice to = cur.top();
823 getWord(from, to, loc);
824 if (cur.top() != from)
825 setCursor(cur, from.pit(), from.pos());
829 setCursor(cur, to.pit(), to.pos());
834 // Select the word currently under the cursor when no
835 // selection is currently set
836 bool LyXText::selectWordWhenUnderCursor(LCursor & cur, word_location loc)
838 BOOST_ASSERT(this == cur.text());
841 selectWord(cur, loc);
842 return cur.selection();
846 void LyXText::acceptChange(LCursor & cur)
848 // FIXME: change tracking (MG)
850 BOOST_ASSERT(this == cur.text());
852 if (!cur.selection() && cur.lastpos() != 0)
855 // FIXME: we must handle start = end = 0
857 recordUndoSelection(cur, Undo::INSERT);
859 DocIterator it = cur.selectionBegin();
860 DocIterator et = cur.selectionEnd();
861 pit_type pit = it.pit();
862 for (; pit <= et.pit(); ++pit) {
863 pos_type left = (pit == it.pit() ? it.pos() : 0);
864 pos_type right = (pit == et.pit() ? et.pos() : pars_[pit].size());
866 // handle imaginary end-of-par character first
867 if (right == pars_[pit].size() && !pars_[pit].isUnchanged(right)) {
868 if (pars_[pit].isInserted(right)) {
869 pars_[pit].setChange(right, Change(Change::UNCHANGED));
871 // if (pit + 1 < et.pit()) {
872 // setCursorIntern(cur, pit + 1, 0);
873 // backspacePos0(cur);
878 pars_[pit].acceptChanges(left, right);
881 cur.clearSelection();
882 setCursorIntern(cur, it.pit(), it.pos());
883 cur.updateFlags(Update::Force);
887 void LyXText::rejectChange(LCursor & cur)
889 // FIXME: change tracking (MG)
891 BOOST_ASSERT(this == cur.text());
893 if (!cur.selection() && cur.lastpos() != 0)
896 // FIXME: we must handle start = end = 0
898 recordUndoSelection(cur, Undo::INSERT);
900 DocIterator it = cur.selectionBegin();
901 DocIterator et = cur.selectionEnd();
902 pit_type pit = it.pit();
903 for (; pit <= et.pit(); ++pit) {
904 pos_type left = (pit == it.pit() ? it.pos() : 0);
905 pos_type right = (pit == et.pit() ? et.pos() : pars_[pit].size());
907 // handle imaginary end-of-par character first
908 if (right == pars_[pit].size() && !pars_[pit].isUnchanged(right)) {
909 if (pars_[pit].isDeleted(right)) {
910 pars_[pit].setChange(right, Change(Change::UNCHANGED));
912 // if (pit + 1 < et.pit()) {
913 // setCursorIntern(cur, pit + 1, 0);
914 // backspacePos0(cur);
919 pars_[pit].rejectChanges(left, right);
922 cur.clearSelection();
923 setCursorIntern(cur, it.pit(), it.pos());
924 cur.updateFlags(Update::Force);
928 // Delete from cursor up to the end of the current or next word.
929 void LyXText::deleteWordForward(LCursor & cur)
931 BOOST_ASSERT(this == cur.text());
932 if (cur.lastpos() == 0)
936 cur.selection() = true;
937 cursorRightOneWord(cur);
939 cutSelection(cur, true, false);
944 // Delete from cursor to start of current or prior word.
945 void LyXText::deleteWordBackward(LCursor & cur)
947 BOOST_ASSERT(this == cur.text());
948 if (cur.lastpos() == 0)
952 cur.selection() = true;
953 cursorLeftOneWord(cur);
955 cutSelection(cur, true, false);
960 // Kill to end of line.
961 void LyXText::deleteLineForward(LCursor & cur)
963 BOOST_ASSERT(this == cur.text());
964 if (cur.lastpos() == 0) {
965 // Paragraph is empty, so we just go to the right
969 cur.selection() = true; // to avoid deletion
972 // What is this test for ??? (JMarc)
973 if (!cur.selection())
974 deleteWordForward(cur);
976 cutSelection(cur, true, false);
981 void LyXText::changeCase(LCursor & cur, LyXText::TextCase action)
983 BOOST_ASSERT(this == cur.text());
987 if (cur.selection()) {
988 from = cur.selBegin();
992 getWord(from, to, PARTIAL_WORD);
993 cursorRightOneWord(cur);
996 recordUndoSelection(cur);
998 pos_type pos = from.pos();
999 int par = from.pit();
1001 while (par != int(pars_.size()) && (pos != to.pos() || par != to.pit())) {
1003 if (pos == pars_[pit].size()) {
1008 char_type c = pars_[pit].getChar(pos);
1009 if (c != Paragraph::META_INSET) {
1011 case text_lowercase:
1014 case text_capitalization:
1016 action = text_lowercase;
1018 case text_uppercase:
1024 // FIXME: change tracking (MG)
1025 // sorry but we are no longer allowed to set a single character directly
1026 // we have to rewrite this method in terms of erase&insert operations
1027 //pars_[pit].setChar(pos, c);
1033 bool LyXText::erase(LCursor & cur)
1035 BOOST_ASSERT(this == cur.text());
1036 bool needsUpdate = false;
1037 Paragraph & par = cur.paragraph();
1039 if (cur.pos() != cur.lastpos()) {
1040 // this is the code for a normal delete, not pasting
1042 recordUndo(cur, Undo::DELETE);
1043 par.eraseChar(cur.pos(), cur.buffer().params().trackChanges);
1044 if (par.isDeleted(cur.pos()))
1045 cur.forwardPosNoDescend();
1048 if (cur.pit() == cur.lastpit())
1049 return dissolveInset(cur);
1051 if (!par.isMergedOnEndOfParDeletion(cur.buffer().params().trackChanges)) {
1052 par.setChange(cur.pos(), Change(Change::DELETED));
1056 setCursorIntern(cur, cur.pit() + 1, 0);
1057 needsUpdate = backspacePos0(cur);
1062 // Make sure the cursor is correct. Is this really needed?
1063 // No, not really... at least not here!
1064 cur.text()->setCursor(cur.top(), cur.pit(), cur.pos());
1071 bool LyXText::backspacePos0(LCursor & cur)
1073 BOOST_ASSERT(this == cur.text());
1077 bool needsUpdate = false;
1079 BufferParams const & bufparams = cur.buffer().params();
1080 LyXTextClass const & tclass = bufparams.getLyXTextClass();
1081 ParagraphList & plist = cur.text()->paragraphs();
1082 Paragraph const & par = cur.paragraph();
1083 LCursor prevcur = cur;
1085 prevcur.pos() = prevcur.lastpos();
1086 Paragraph const & prevpar = prevcur.paragraph();
1088 // is it an empty paragraph?
1089 if (cur.lastpos() == 0
1090 || (cur.lastpos() == 1 && par.isSeparator(0))) {
1091 recordUndo(cur, Undo::ATOMIC, prevcur.pit(), cur.pit());
1092 plist.erase(boost::next(plist.begin(), cur.pit()));
1095 // is previous par empty?
1096 else if (prevcur.lastpos() == 0
1097 || (prevcur.lastpos() == 1 && prevpar.isSeparator(0))) {
1098 recordUndo(cur, Undo::ATOMIC, prevcur.pit(), cur.pit());
1099 plist.erase(boost::next(plist.begin(), prevcur.pit()));
1102 // Pasting is not allowed, if the paragraphs have different
1103 // layouts. I think it is a real bug of all other
1104 // word processors to allow it. It confuses the user.
1105 // Correction: Pasting is always allowed with standard-layout
1106 else if (par.layout() == prevpar.layout()
1107 || par.layout() == tclass.defaultLayout()) {
1108 recordUndo(cur, Undo::ATOMIC, prevcur.pit());
1109 mergeParagraph(bufparams, plist, prevcur.pit());
1114 updateLabels(cur.buffer());
1115 setCursorIntern(cur, prevcur.pit(), prevcur.pos());
1122 bool LyXText::backspace(LCursor & cur)
1124 BOOST_ASSERT(this == cur.text());
1125 bool needsUpdate = false;
1126 if (cur.pos() == 0) {
1128 return dissolveInset(cur);
1130 Paragraph & prev_par = pars_[cur.pit() - 1];
1132 if (!prev_par.isMergedOnEndOfParDeletion(cur.buffer().params().trackChanges)) {
1133 prev_par.setChange(prev_par.size(), Change(Change::DELETED));
1134 setCursorIntern(cur, cur.pit() - 1, prev_par.size());
1137 // The cursor is at the beginning of a paragraph, so
1138 // the backspace will collapse two paragraphs into one.
1139 needsUpdate = backspacePos0(cur);
1142 // this is the code for a normal backspace, not pasting
1144 recordUndo(cur, Undo::DELETE);
1145 // We used to do cursorLeftIntern() here, but it is
1146 // not a good idea since it triggers the auto-delete
1147 // mechanism. So we do a cursorLeftIntern()-lite,
1148 // without the dreaded mechanism. (JMarc)
1149 setCursorIntern(cur, cur.pit(), cur.pos() - 1,
1150 false, cur.boundary());
1151 cur.paragraph().eraseChar(cur.pos(), cur.buffer().params().trackChanges);
1154 if (cur.pos() == cur.lastpos())
1155 setCurrentFont(cur);
1157 // A singlePar update is not enough in this case.
1158 // cur.updateFlags(Update::Force);
1159 setCursor(cur.top(), cur.pit(), cur.pos());
1165 bool LyXText::dissolveInset(LCursor & cur) {
1166 BOOST_ASSERT(this == cur.text());
1168 if (isMainText(*cur.bv().buffer()) || cur.inset().nargs() != 1)
1171 recordUndoInset(cur);
1172 cur.selHandle(false);
1174 pos_type spos = cur.pos();
1175 pit_type spit = cur.pit();
1176 ParagraphList plist;
1177 if (cur.lastpit() != 0 || cur.lastpos() != 0)
1178 plist = paragraphs();
1180 // store cursor offset
1184 Buffer & b = cur.buffer();
1185 cur.paragraph().eraseChar(cur.pos(), b.params().trackChanges);
1186 if (!plist.empty()) {
1187 // ERT paragraphs have the Language latex_language.
1188 // This is invalid outside of ERT, so we need to
1189 // change it to the buffer language.
1190 ParagraphList::iterator it = plist.begin();
1191 ParagraphList::iterator it_end = plist.end();
1192 for (; it != it_end; it++) {
1193 it->changeLanguage(b.params(), latex_language,
1197 pasteParagraphList(cur, plist, b.params().textclass,
1198 b.errorList("Paste"));
1200 cur.pit() = std::min(cur.lastpit(), spit);
1201 cur.pos() = std::min(cur.lastpos(), spos);
1203 cur.clearSelection();
1209 // only used for inset right now. should also be used for main text
1210 void LyXText::draw(PainterInfo & pi, int x, int y) const
1212 paintTextInset(*this, pi, x, y);
1216 // only used for inset right now. should also be used for main text
1217 void LyXText::drawSelection(PainterInfo & pi, int x, int) const
1219 LCursor & cur = pi.base.bv->cursor();
1220 if (!cur.selection())
1222 if (!ptr_cmp(cur.text(), this))
1225 if (lyxerr.debugging(Debug::DEBUG)) {
1226 lyxerr[Debug::DEBUG]
1227 << BOOST_CURRENT_FUNCTION
1228 << "draw selection at " << x
1232 DocIterator beg = cur.selectionBegin();
1233 DocIterator end = cur.selectionEnd();
1235 BufferView & bv = *pi.base.bv;
1236 Buffer const & buffer = *bv.buffer();
1238 // the selection doesn't touch the visible screen
1239 if (bv_funcs::status(&bv, beg) == bv_funcs::CUR_BELOW
1240 || bv_funcs::status(&bv, end) == bv_funcs::CUR_ABOVE)
1243 Paragraph const & par1 = pars_[beg.pit()];
1244 Paragraph const & par2 = pars_[end.pit()];
1245 TextMetrics const & tm = bv.textMetrics(this);
1246 ParagraphMetrics const & pm1 = tm.parMetrics(beg.pit());
1247 ParagraphMetrics const & pm2 = tm.parMetrics(end.pit());
1249 bool const above = (bv_funcs::status(&bv, beg)
1250 == bv_funcs::CUR_ABOVE);
1251 bool const below = (bv_funcs::status(&bv, end)
1252 == bv_funcs::CUR_BELOW);
1260 Row const & row1 = pm1.getRow(beg.pos(), beg.boundary());
1261 y1 = bv_funcs::getPos(bv, beg, beg.boundary()).y_ - row1.ascent();
1262 y2 = y1 + row1.height();
1263 int const startx = cursorX(bv, beg.top(), beg.boundary());
1264 if (!isRTL(buffer, par1)) {
1266 x2 = 0 + tm.width();
1276 Y1 = bv.workHeight();
1277 Y2 = bv.workHeight();
1281 Row const & row2 = pm2.getRow(end.pos(), end.boundary());
1282 Y1 = bv_funcs::getPos(bv, end, end.boundary()).y_ - row2.ascent();
1283 Y2 = Y1 + row2.height();
1284 int const endx = cursorX(bv, end.top(), end.boundary());
1285 if (!isRTL(buffer, par2)) {
1291 X2 = 0 + tm.width();
1295 if (!above && !below && &pm1.getRow(beg.pos(), beg.boundary())
1296 == &pm2.getRow(end.pos(), end.boundary()))
1298 // paint only one rectangle
1299 int const b( !isRTL(*bv.buffer(), par1) ? x + x1 : x + X1 );
1300 int const w( !isRTL(*bv.buffer(), par1) ? X2 - x1 : x2 - X1 );
1301 pi.pain.fillRectangle(b, y1, w, y2 - y1, LColor::selection);
1305 if (lyxerr.debugging(Debug::DEBUG)) {
1306 lyxerr[Debug::DEBUG] << " y1: " << y1 << " y2: " << y2
1307 << "X1:" << X1 << " x2: " << X2 << " wid: " << tm.width()
1311 // paint upper rectangle
1312 pi.pain.fillRectangle(x + x1, y1, x2 - x1, y2 - y1,
1314 // paint bottom rectangle
1315 pi.pain.fillRectangle(x + X1, Y1, X2 - X1, Y2 - Y1,
1317 // paint center rectangle
1318 pi.pain.fillRectangle(x, y2, tm.width(),
1319 Y1 - y2, LColor::selection);
1323 bool LyXText::isLastRow(pit_type pit, Row const & row) const
1325 return row.endpos() >= pars_[pit].size()
1326 && pit + 1 == pit_type(paragraphs().size());
1330 bool LyXText::isFirstRow(pit_type pit, Row const & row) const
1332 return row.pos() == 0 && pit == 0;
1336 void LyXText::getWord(CursorSlice & from, CursorSlice & to,
1337 word_location const loc)
1339 Paragraph const & from_par = pars_[from.pit()];
1341 case WHOLE_WORD_STRICT:
1342 if (from.pos() == 0 || from.pos() == from_par.size()
1343 || !from_par.isLetter(from.pos())
1344 || !from_par.isLetter(from.pos() - 1)) {
1348 // no break here, we go to the next
1351 // If we are already at the beginning of a word, do nothing
1352 if (!from.pos() || !from_par.isLetter(from.pos() - 1))
1354 // no break here, we go to the next
1357 // always move the cursor to the beginning of previous word
1358 while (from.pos() && from_par.isLetter(from.pos() - 1))
1362 lyxerr << "LyXText::getWord: NEXT_WORD not implemented yet"
1366 // no need to move the 'from' cursor
1370 Paragraph & to_par = pars_[to.pit()];
1371 while (to.pos() < to_par.size() && to_par.isLetter(to.pos()))
1376 void LyXText::write(Buffer const & buf, std::ostream & os) const
1378 ParagraphList::const_iterator pit = paragraphs().begin();
1379 ParagraphList::const_iterator end = paragraphs().end();
1381 for (; pit != end; ++pit)
1382 pit->write(buf, os, buf.params(), dth);
1386 bool LyXText::read(Buffer const & buf, LyXLex & lex, ErrorList & errorList)
1388 depth_type depth = 0;
1390 while (lex.isOK()) {
1392 string const token = lex.getString();
1397 if (token == "\\end_inset")
1400 if (token == "\\end_body")
1403 if (token == "\\begin_body")
1406 if (token == "\\end_document")
1409 if (token == "\\begin_layout") {
1410 lex.pushToken(token);
1413 par.params().depth(depth);
1414 par.setFont(0, LyXFont(LyXFont::ALL_INHERIT, buf.params().language));
1415 pars_.push_back(par);
1417 // FIXME: goddamn InsetTabular makes us pass a Buffer
1419 lyx::readParagraph(buf, pars_.back(), lex, errorList);
1421 } else if (token == "\\begin_deeper") {
1423 } else if (token == "\\end_deeper") {
1425 lex.printError("\\end_deeper: " "depth is already null");
1430 lyxerr << "Handling unknown body token: `"
1431 << token << '\'' << endl;
1437 int LyXText::cursorX(BufferView const & bv, CursorSlice const & sl,
1438 bool boundary) const
1440 TextMetrics const & tm = bv.textMetrics(sl.text());
1441 pit_type const pit = sl.pit();
1442 Paragraph const & par = pars_[pit];
1443 ParagraphMetrics const & pm = tm.parMetrics(pit);
1444 if (pm.rows().empty())
1447 pos_type ppos = sl.pos();
1448 // Correct position in front of big insets
1449 bool const boundary_correction = ppos != 0 && boundary;
1450 if (boundary_correction)
1453 Row const & row = pm.getRow(sl.pos(), boundary);
1455 pos_type cursor_vpos = 0;
1457 Buffer const & buffer = *bv.buffer();
1458 RowMetrics const m = tm.computeRowMetrics(pit, row);
1461 pos_type const row_pos = row.pos();
1462 pos_type const end = row.endpos();
1465 cursor_vpos = row_pos;
1466 else if (ppos >= end)
1467 cursor_vpos = isRTL(buffer, par) ? row_pos : end;
1468 else if (ppos > row_pos && ppos >= end)
1469 // Place cursor after char at (logical) position pos - 1
1470 cursor_vpos = (bidi.level(ppos - 1) % 2 == 0)
1471 ? bidi.log2vis(ppos - 1) + 1 : bidi.log2vis(ppos - 1);
1473 // Place cursor before char at (logical) position ppos
1474 cursor_vpos = (bidi.level(ppos) % 2 == 0)
1475 ? bidi.log2vis(ppos) : bidi.log2vis(ppos) + 1;
1477 pos_type body_pos = par.beginOfBody();
1479 (body_pos > end || !par.isLineSeparator(body_pos - 1)))
1482 // Use font span to speed things up, see below
1485 FontMetrics const & labelfm = theFontMetrics(
1486 getLabelFont(buffer, par));
1488 for (pos_type vpos = row_pos; vpos < cursor_vpos; ++vpos) {
1489 pos_type pos = bidi.vis2log(vpos);
1490 if (body_pos > 0 && pos == body_pos - 1) {
1492 docstring const lsep = from_utf8(par.layout()->labelsep);
1493 x += m.label_hfill + labelfm.width(lsep);
1494 if (par.isLineSeparator(body_pos - 1))
1495 x -= singleWidth(buffer, par, body_pos - 1);
1498 // Use font span to speed things up, see above
1499 if (pos < font_span.first || pos > font_span.last) {
1500 font_span = par.fontSpan(pos);
1501 font = getFont(buffer, par, pos);
1504 x += singleWidth(par, pos, par.getChar(pos), font);
1506 if (par.hfillExpansion(row, pos))
1507 x += (pos >= body_pos) ? m.hfill : m.label_hfill;
1508 else if (par.isSeparator(pos) && pos >= body_pos)
1512 // see correction above
1513 if (boundary_correction)
1514 if (getFont(buffer, par, ppos).isVisibleRightToLeft())
1515 x -= singleWidth(buffer, par, ppos);
1517 x += singleWidth(buffer, par, ppos);
1519 // Make sure inside an inset we always count from the left
1520 // edge (bidi!) -- MV
1521 if (sl.pos() < par.size()) {
1522 font = getFont(buffer, par, sl.pos());
1523 if (!boundary && font.isVisibleRightToLeft()
1524 && par.isInset(sl.pos()))
1525 x -= par.getInset(sl.pos())->width();
1531 int LyXText::cursorY(BufferView const & bv, CursorSlice const & sl, bool boundary) const
1533 //lyxerr << "LyXText::cursorY: boundary: " << boundary << std::endl;
1534 ParagraphMetrics const & pm = bv.parMetrics(this, sl.pit());
1535 if (pm.rows().empty())
1539 h -= bv.parMetrics(this, 0).rows()[0].ascent();
1540 for (pit_type pit = 0; pit < sl.pit(); ++pit) {
1541 h += bv.parMetrics(this, pit).height();
1544 if (pos && boundary)
1546 size_t const rend = pm.pos2row(pos);
1547 for (size_t rit = 0; rit != rend; ++rit)
1548 h += pm.rows()[rit].height();
1549 h += pm.rows()[rend].ascent();
1554 // Returns the current font and depth as a message.
1555 docstring LyXText::currentState(LCursor & cur)
1557 BOOST_ASSERT(this == cur.text());
1558 Buffer & buf = cur.buffer();
1559 Paragraph const & par = cur.paragraph();
1560 odocstringstream os;
1562 if (buf.params().trackChanges)
1565 Change change = par.lookupChange(cur.pos());
1567 if (change.type != Change::UNCHANGED) {
1568 Author const & a = buf.params().authors().get(change.author);
1569 os << _("Change: ") << a.name();
1570 if (!a.email().empty())
1571 os << " (" << a.email() << ")";
1572 // FIXME ctime is english, we should translate that
1573 os << _(" at ") << ctime(&change.changetime);
1577 // I think we should only show changes from the default
1579 // No, from the document font (MV)
1580 LyXFont font = real_current_font;
1581 font.reduce(buf.params().getFont());
1583 os << bformat(_("Font: %1$s"), font.stateText(&buf.params()));
1585 // The paragraph depth
1586 int depth = cur.paragraph().getDepth();
1588 os << bformat(_(", Depth: %1$d"), depth);
1590 // The paragraph spacing, but only if different from
1592 Spacing const & spacing = par.params().spacing();
1593 if (!spacing.isDefault()) {
1594 os << _(", Spacing: ");
1595 switch (spacing.getSpace()) {
1596 case Spacing::Single:
1599 case Spacing::Onehalf:
1602 case Spacing::Double:
1605 case Spacing::Other:
1606 os << _("Other (") << from_ascii(spacing.getValueAsString()) << ')';
1608 case Spacing::Default:
1609 // should never happen, do nothing
1614 #ifdef DEVEL_VERSION
1615 os << _(", Inset: ") << &cur.inset();
1616 os << _(", Paragraph: ") << cur.pit();
1617 os << _(", Id: ") << par.id();
1618 os << _(", Position: ") << cur.pos();
1619 os << _(", Boundary: ") << cur.boundary();
1620 // Row & row = cur.textRow();
1621 // os << bformat(_(", Row b:%1$d e:%2$d"), row.pos(), row.endpos());
1627 docstring LyXText::getPossibleLabel(LCursor & cur) const
1629 pit_type pit = cur.pit();
1631 LyXLayout_ptr layout = pars_[pit].layout();
1633 if (layout->latextype == LATEX_PARAGRAPH && pit != 0) {
1634 LyXLayout_ptr const & layout2 = pars_[pit - 1].layout();
1635 if (layout2->latextype != LATEX_PARAGRAPH) {
1641 docstring name = from_ascii(layout->latexname());
1643 // for captions, we want the abbreviation of the float type
1644 if (layout->labeltype == LABEL_SENSITIVE) {
1645 // Search for the first float or wrap inset in the iterator
1646 for (int i = cur.depth(); --i >= 0; ) {
1647 InsetBase * const in = &cur[i].inset();
1648 if (in->lyxCode() == InsetBase::FLOAT_CODE
1649 || in->lyxCode() == InsetBase::WRAP_CODE) {
1650 name = in->getInsetName();
1656 docstring text = name.substr(0, 3);
1657 if (name == "theorem")
1658 text = from_ascii("thm"); // Create a correct prefix for prettyref
1661 if (layout->latextype == LATEX_PARAGRAPH || lyxrc.label_init_length < 0)
1664 docstring par_text = pars_[pit].asString(cur.buffer(), false);
1665 for (int i = 0; i < lyxrc.label_init_length; ++i) {
1666 if (par_text.empty())
1669 par_text = split(par_text, head, ' ');
1670 // Is it legal to use spaces in labels ?
1680 void LyXText::setCursorFromCoordinates(LCursor & cur, int const x, int const y)
1682 BOOST_ASSERT(this == cur.text());
1683 pit_type pit = getPitNearY(cur.bv(), y);
1685 TextMetrics const & tm = cur.bv().textMetrics(this);
1686 ParagraphMetrics const & pm = tm.parMetrics(pit);
1688 int yy = cur.bv().coordCache().get(this, pit).y_ - pm.ascent();
1689 lyxerr[Debug::DEBUG]
1690 << BOOST_CURRENT_FUNCTION
1694 << " yy: " << yy << endl;
1697 BOOST_ASSERT(pm.rows().size());
1698 for (; r < int(pm.rows().size()) - 1; ++r) {
1699 Row const & row = pm.rows()[r];
1700 if (int(yy + row.height()) > y)
1705 Row const & row = pm.rows()[r];
1707 lyxerr[Debug::DEBUG]
1708 << BOOST_CURRENT_FUNCTION
1710 << " from pos: " << row.pos()
1715 pos_type const pos = row.pos()
1716 + tm.getColumnNearX(pit, row, xx, bound);
1718 lyxerr[Debug::DEBUG]
1719 << BOOST_CURRENT_FUNCTION
1720 << ": setting cursor pit: " << pit
1724 setCursor(cur, pit, pos, true, bound);
1728 void LyXText::charsTranspose(LCursor & cur)
1730 BOOST_ASSERT(this == cur.text());
1732 pos_type pos = cur.pos();
1734 // If cursor is at beginning or end of paragraph, do nothing.
1735 if (pos == cur.lastpos() || pos == 0)
1738 Paragraph & par = cur.paragraph();
1740 // Get the positions of the characters to be transposed.
1741 pos_type pos1 = pos - 1;
1742 pos_type pos2 = pos;
1744 // In change tracking mode, ignore deleted characters.
1745 while (pos2 < cur.lastpos() && par.isDeleted(pos2))
1747 if (pos2 == cur.lastpos())
1750 while (pos1 >= 0 && par.isDeleted(pos1))
1755 // Don't do anything if one of the "characters" is not regular text.
1756 if (par.isInset(pos1) || par.isInset(pos2))
1759 // Store the characters to be transposed (including font information).
1760 char_type char1 = par.getChar(pos1);
1761 LyXFont const font1 =
1762 par.getFontSettings(cur.buffer().params(), pos1);
1764 char_type char2 = par.getChar(pos2);
1765 LyXFont const font2 =
1766 par.getFontSettings(cur.buffer().params(), pos2);
1768 // And finally, we are ready to perform the transposition.
1769 // Track the changes if Change Tracking is enabled.
1770 bool const trackChanges = cur.buffer().params().trackChanges;
1774 par.eraseChar(pos2, trackChanges);
1775 par.eraseChar(pos1, trackChanges);
1776 par.insertChar(pos1, char2, font2, trackChanges);
1777 par.insertChar(pos2, char1, font1, trackChanges);
1779 // After the transposition, move cursor to after the transposition.
1780 setCursor(cur, cur.pit(), pos2);