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"
27 #include "coordcache.h"
28 #include "CutAndPaste.h"
30 #include "dispatchresult.h"
32 #include "errorlist.h"
33 #include "funcrequest.h"
35 #include "FontIterator.h"
39 #include "lyxlength.h"
43 #include "lyxrow_funcs.h"
44 #include "metricsinfo.h"
45 #include "paragraph.h"
46 #include "paragraph_funcs.h"
47 #include "ParagraphParameters.h"
48 #include "rowpainter.h"
51 #include "WordLangTuple.h"
53 #include "frontends/font_metrics.h"
54 #include "frontends/LyXView.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"
77 using lyx::word_location;
79 using lyx::support::bformat;
80 using lyx::support::contains;
81 using lyx::support::lowercase;
82 using lyx::support::split;
83 using lyx::support::uppercase;
85 using lyx::cap::cutSelection;
98 int numberOfSeparators(Paragraph const & par, Row const & row)
100 pos_type const first = max(row.pos(), par.beginOfBody());
101 pos_type const last = row.endpos() - 1;
103 for (pos_type p = first; p < last; ++p) {
104 if (par.isSeparator(p))
111 int numberOfLabelHfills(Paragraph const & par, Row const & row)
113 pos_type last = row.endpos() - 1;
114 pos_type first = row.pos();
116 // hfill *DO* count at the beginning of paragraphs!
118 while (first < last && par.isHfill(first))
122 last = min(last, par.beginOfBody());
124 for (pos_type p = first; p < last; ++p) {
132 int numberOfHfills(Paragraph const & par, Row const & row)
134 pos_type const last = row.endpos() - 1;
135 pos_type first = row.pos();
137 // hfill *DO* count at the beginning of paragraphs!
139 while (first < last && par.isHfill(first))
143 first = max(first, par.beginOfBody());
146 for (pos_type p = first; p < last; ++p) {
154 void readParToken(Buffer const & buf, Paragraph & par, LyXLex & lex,
155 string const & token, LyXFont & font)
157 static Change change;
159 BufferParams const & bp = buf.params();
161 if (token[0] != '\\') {
162 string::const_iterator cit = token.begin();
163 for (; cit != token.end(); ++cit)
164 par.insertChar(par.size(), (*cit), font, change);
165 } else if (token == "\\begin_layout") {
167 string layoutname = lex.getString();
169 font = LyXFont(LyXFont::ALL_INHERIT, bp.language);
172 LyXTextClass const & tclass = bp.getLyXTextClass();
174 if (layoutname.empty()) {
175 layoutname = tclass.defaultLayoutName();
178 bool hasLayout = tclass.hasLayout(layoutname);
181 buf.error(ErrorItem(_("Unknown layout"),
182 bformat(_("Layout '%1$s' does not exist in textclass '%2$s'\nTrying to use the default instead.\n"),
183 layoutname, tclass.name()), par.id(), 0, par.size()));
184 layoutname = tclass.defaultLayoutName();
187 par.layout(bp.getLyXTextClass()[layoutname]);
189 // Test whether the layout is obsolete.
190 LyXLayout_ptr const & layout = par.layout();
191 if (!layout->obsoleted_by().empty())
192 par.layout(bp.getLyXTextClass()[layout->obsoleted_by()]);
194 par.params().read(lex);
196 } else if (token == "\\end_layout") {
197 lyxerr << BOOST_CURRENT_FUNCTION
198 << ": Solitary \\end_layout in line "
199 << lex.getLineNo() << "\n"
200 << "Missing \\begin_layout?.\n";
201 } else if (token == "\\end_inset") {
202 lyxerr << BOOST_CURRENT_FUNCTION
203 << ": Solitary \\end_inset in line "
204 << lex.getLineNo() << "\n"
205 << "Missing \\begin_inset?.\n";
206 } else if (token == "\\begin_inset") {
207 InsetBase * inset = readInset(lex, buf);
209 par.insertInset(par.size(), inset, font, change);
212 string line = lex.getString();
213 buf.error(ErrorItem(_("Unknown Inset"), line,
214 par.id(), 0, par.size()));
216 } else if (token == "\\family") {
218 font.setLyXFamily(lex.getString());
219 } else if (token == "\\series") {
221 font.setLyXSeries(lex.getString());
222 } else if (token == "\\shape") {
224 font.setLyXShape(lex.getString());
225 } else if (token == "\\size") {
227 font.setLyXSize(lex.getString());
228 } else if (token == "\\lang") {
230 string const tok = lex.getString();
231 Language const * lang = languages.getLanguage(tok);
233 font.setLanguage(lang);
235 font.setLanguage(bp.language);
236 lex.printError("Unknown language `$$Token'");
238 } else if (token == "\\numeric") {
240 font.setNumber(font.setLyXMisc(lex.getString()));
241 } else if (token == "\\emph") {
243 font.setEmph(font.setLyXMisc(lex.getString()));
244 } else if (token == "\\bar") {
246 string const tok = lex.getString();
249 font.setUnderbar(LyXFont::ON);
250 else if (tok == "no")
251 font.setUnderbar(LyXFont::OFF);
252 else if (tok == "default")
253 font.setUnderbar(LyXFont::INHERIT);
255 lex.printError("Unknown bar font flag "
257 } else if (token == "\\noun") {
259 font.setNoun(font.setLyXMisc(lex.getString()));
260 } else if (token == "\\color") {
262 font.setLyXColor(lex.getString());
263 } else if (token == "\\InsetSpace" || token == "\\SpecialChar") {
265 // Insets don't make sense in a free-spacing context! ---Kayvan
266 if (par.isFreeSpacing()) {
267 if (token == "\\InsetSpace")
268 par.insertChar(par.size(), ' ', font, change);
269 else if (lex.isOK()) {
271 string const next_token = lex.getString();
272 if (next_token == "\\-")
273 par.insertChar(par.size(), '-', font, change);
275 lex.printError("Token `$$Token' "
277 "paragraph layout!");
281 auto_ptr<InsetBase> inset;
282 if (token == "\\SpecialChar" )
283 inset.reset(new InsetSpecialChar);
285 inset.reset(new InsetSpace);
286 inset->read(buf, lex);
287 par.insertInset(par.size(), inset.release(),
290 } else if (token == "\\i") {
291 auto_ptr<InsetBase> inset(new InsetLatexAccent);
292 inset->read(buf, lex);
293 par.insertInset(par.size(), inset.release(), font, change);
294 } else if (token == "\\backslash") {
295 par.insertChar(par.size(), '\\', font, change);
296 } else if (token == "\\newline") {
297 auto_ptr<InsetBase> inset(new InsetNewline);
298 inset->read(buf, lex);
299 par.insertInset(par.size(), inset.release(), font, change);
300 } else if (token == "\\LyXTable") {
301 auto_ptr<InsetBase> inset(new InsetTabular(buf));
302 inset->read(buf, lex);
303 par.insertInset(par.size(), inset.release(), font, change);
304 } else if (token == "\\bibitem") {
305 InsetCommandParams p("bibitem", "dummy");
306 auto_ptr<InsetBibitem> inset(new InsetBibitem(p));
307 inset->read(buf, lex);
308 par.insertInset(par.size(), inset.release(), font, change);
309 } else if (token == "\\hfill") {
310 par.insertInset(par.size(), new InsetHFill, font, change);
311 } else if (token == "\\lyxline") {
312 par.insertInset(par.size(), new InsetLine, font, change);
313 } else if (token == "\\newpage") {
314 par.insertInset(par.size(), new InsetPagebreak, font, change);
315 } else if (token == "\\change_unchanged") {
316 // Hack ! Needed for empty paragraphs :/
317 // FIXME: is it still ??
320 change = Change(Change::UNCHANGED);
321 } else if (token == "\\change_inserted") {
323 std::istringstream is(lex.getString());
327 change = Change(Change::INSERTED, bp.author_map[aid], ct);
328 } else if (token == "\\change_deleted") {
330 std::istringstream is(lex.getString());
334 change = Change(Change::DELETED, bp.author_map[aid], ct);
337 buf.error(ErrorItem(_("Unknown token"),
338 bformat(_("Unknown token: %1$s %2$s\n"), token, lex.getString()),
339 par.id(), 0, par.size()));
344 void readParagraph(Buffer const & buf, Paragraph & par, LyXLex & lex)
347 string token = lex.getString();
352 readParToken(buf, par, lex, token, font);
355 token = lex.getString();
360 if (token == "\\end_layout") {
361 //Ok, paragraph finished
365 lyxerr[Debug::PARSER] << "Handling paragraph token: `"
366 << token << '\'' << endl;
367 if (token == "\\begin_layout" || token == "\\end_document"
368 || token == "\\end_inset" || token == "\\begin_deeper"
369 || token == "\\end_deeper") {
370 lex.pushToken(token);
371 lyxerr << "Paragraph ended in line "
372 << lex.getLineNo() << "\n"
373 << "Missing \\end_layout.\n";
377 // Initialize begin_of_body_ on load; redoParagraph maintains
378 par.setBeginOfBody();
386 BufferView * LyXText::bv() const
388 BOOST_ASSERT(bv_owner != 0);
393 double LyXText::spacing(Paragraph const & par) const
395 if (par.params().spacing().isDefault())
396 return bv()->buffer()->params().spacing().getValue();
397 return par.params().spacing().getValue();
401 int LyXText::width() const
407 int LyXText::height() const
409 return dim_.height();
413 int LyXText::singleWidth(Paragraph const & par, pos_type pos) const
415 return singleWidth(par, pos, par.getChar(pos), getFont(par, pos));
419 int LyXText::singleWidth(Paragraph const & par,
420 pos_type pos, char c, LyXFont const & font) const
422 // The most common case is handled first (Asger)
423 if (IsPrintable(c)) {
424 Language const * language = font.language();
425 if (language->RightToLeft()) {
426 if ((lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 ||
427 lyxrc.font_norm_type == LyXRC::ISO_10646_1)
428 && language->lang() == "arabic") {
429 if (Encodings::IsComposeChar_arabic(c))
431 c = par.transformChar(c, pos);
432 } else if (language->lang() == "hebrew" &&
433 Encodings::IsComposeChar_hebrew(c))
436 return font_metrics::width(c, font);
439 if (c == Paragraph::META_INSET)
440 return par.getInset(pos)->width();
442 return font_metrics::width(c, font);
446 int LyXText::leftMargin(pit_type pit) const
448 BOOST_ASSERT(pit >= 0);
449 BOOST_ASSERT(pit < int(pars_.size()));
450 return leftMargin(pit, pars_[pit].size());
454 int LyXText::leftMargin(pit_type const pit, pos_type const pos) const
456 BOOST_ASSERT(pit >= 0);
457 BOOST_ASSERT(pit < int(pars_.size()));
458 Paragraph const & par = pars_[pit];
459 BOOST_ASSERT(pos >= 0);
460 BOOST_ASSERT(pos <= par.size());
461 //lyxerr << "LyXText::leftMargin: pit: " << pit << " pos: " << pos << endl;
462 LyXTextClass const & tclass =
463 bv()->buffer()->params().getLyXTextClass();
464 LyXLayout_ptr const & layout = par.layout();
466 string parindent = layout->parindent;
471 l_margin += changebarMargin();
473 l_margin += font_metrics::signedWidth(tclass.leftmargin(), tclass.defaultfont());
475 if (par.getDepth() != 0) {
476 // find the next level paragraph
477 pit_type newpar = outerHook(pit, pars_);
478 if (newpar != pit_type(pars_.size())) {
479 if (pars_[newpar].layout()->isEnvironment()) {
480 l_margin = leftMargin(newpar);
482 if (par.layout() == tclass.defaultLayout()) {
483 if (pars_[newpar].params().noindent())
486 parindent = pars_[newpar].layout()->parindent;
491 LyXFont const labelfont = getLabelFont(par);
492 switch (layout->margintype) {
494 if (!layout->leftmargin.empty())
495 l_margin += font_metrics::signedWidth(layout->leftmargin,
496 tclass.defaultfont());
497 if (!par.getLabelstring().empty()) {
498 l_margin += font_metrics::signedWidth(layout->labelindent,
500 l_margin += font_metrics::width(par.getLabelstring(),
502 l_margin += font_metrics::width(layout->labelsep, labelfont);
507 l_margin += font_metrics::signedWidth(layout->labelindent, labelfont);
508 // The width of an empty par, even with manual label, should be 0
509 if (!par.empty() && pos >= par.beginOfBody()) {
510 if (!par.getLabelWidthString().empty()) {
511 l_margin += font_metrics::width(par.getLabelWidthString(),
513 l_margin += font_metrics::width(layout->labelsep, labelfont);
519 l_margin += font_metrics::signedWidth(layout->leftmargin, tclass.defaultfont()) * 4
520 / (par.getDepth() + 4);
523 case MARGIN_FIRST_DYNAMIC:
524 if (layout->labeltype == LABEL_MANUAL) {
525 if (pos >= par.beginOfBody()) {
526 l_margin += font_metrics::signedWidth(layout->leftmargin,
529 l_margin += font_metrics::signedWidth(layout->labelindent,
533 // Special case to fix problems with
535 || (layout->labeltype == LABEL_STATIC
536 && layout->latextype == LATEX_ENVIRONMENT
537 && !isFirstInSequence(pit, pars_))) {
538 l_margin += font_metrics::signedWidth(layout->leftmargin,
540 } else if (layout->labeltype != LABEL_TOP_ENVIRONMENT
541 && layout->labeltype != LABEL_BIBLIO
542 && layout->labeltype !=
543 LABEL_CENTERED_TOP_ENVIRONMENT) {
544 l_margin += font_metrics::signedWidth(layout->labelindent,
546 l_margin += font_metrics::width(layout->labelsep, labelfont);
547 l_margin += font_metrics::width(par.getLabelstring(),
552 case MARGIN_RIGHT_ADDRESS_BOX: {
554 // ok, a terrible hack. The left margin depends on the widest
555 // row in this paragraph.
556 RowList::iterator rit = par.rows().begin();
557 RowList::iterator end = par.rows().end();
559 #warning This is wrong.
561 int minfill = maxwidth_;
562 for ( ; rit != end; ++rit)
563 if (rit->fill() < minfill)
564 minfill = rit->fill();
565 l_margin += font_metrics::signedWidth(layout->leftmargin,
566 tclass.defaultfont());
569 // also wrong, but much shorter.
570 l_margin += maxwidth_ / 2;
575 if (!par.params().leftIndent().zero())
576 l_margin += par.params().leftIndent().inPixels(maxwidth_);
580 if (par.params().align() == LYX_ALIGN_LAYOUT)
581 align = layout->align;
583 align = par.params().align();
585 // set the correct parindent
587 && (layout->labeltype == LABEL_NO_LABEL
588 || layout->labeltype == LABEL_TOP_ENVIRONMENT
589 || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT
590 || (layout->labeltype == LABEL_STATIC
591 && layout->latextype == LATEX_ENVIRONMENT
592 && !isFirstInSequence(pit, pars_)))
593 && align == LYX_ALIGN_BLOCK
594 && !par.params().noindent()
595 // display style insets are always centered, omit indentation
598 && par.getInset(pos)->display())
599 // in charstyles, tabulars and ert paragraphs are never indented!
600 && ((par.ownerCode() != InsetBase::TEXT_CODE || isMainText())
601 && par.ownerCode() != InsetBase::ERT_CODE
602 && par.ownerCode() != InsetBase::CHARSTYLE_CODE)
603 && (par.layout() != tclass.defaultLayout()
604 || bv()->buffer()->params().paragraph_separation ==
605 BufferParams::PARSEP_INDENT))
607 l_margin += font_metrics::signedWidth(parindent, tclass.defaultfont());
614 int LyXText::rightMargin(Paragraph const & par) const
616 // We do not want rightmargins on inner texts.
617 if (bv()->text() != this)
620 LyXTextClass const & tclass = bv()->buffer()->params().getLyXTextClass();
623 + font_metrics::signedWidth(tclass.rightmargin(),
624 tclass.defaultfont())
625 + font_metrics::signedWidth(par.layout()->rightmargin,
626 tclass.defaultfont())
627 * 4 / (par.getDepth() + 4);
633 int LyXText::labelEnd(pit_type const pit) const
635 // labelEnd is only needed if the layout fills a flushleft label.
636 if (pars_[pit].layout()->margintype != MARGIN_MANUAL)
638 // return the beginning of the body
639 return leftMargin(pit);
645 // this needs special handling - only newlines count as a break point
646 pos_type addressBreakPoint(pos_type i, Paragraph const & par)
648 pos_type const end = par.size();
651 if (par.isNewline(i))
660 void LyXText::rowBreakPoint(pit_type const pit, Row & row) const
662 Paragraph const & par = pars_[pit];
663 pos_type const end = par.size();
664 pos_type const pos = row.pos();
670 // maximum pixel width of a row
671 int width = maxwidth_ - rightMargin(par); // - leftMargin(pit, row);
677 LyXLayout_ptr const & layout = par.layout();
679 if (layout->margintype == MARGIN_RIGHT_ADDRESS_BOX) {
680 row.endpos(addressBreakPoint(pos, par));
684 pos_type const body_pos = par.beginOfBody();
687 // Now we iterate through until we reach the right margin
688 // or the end of the par, then choose the possible break
691 int const left = leftMargin(pit, pos);
694 // pixel width since last breakpoint
697 FontIterator fi = FontIterator(*this, par, pos);
698 pos_type point = end;
700 for ( ; i < end; ++i, ++fi) {
701 char const c = par.getChar(i);
702 int thiswidth = singleWidth(par, i, c, *fi);
704 // add the auto-hfill from label end to the body
705 if (body_pos && i == body_pos) {
706 int add = font_metrics::width(layout->labelsep, getLabelFont(par));
707 if (par.isLineSeparator(i - 1))
708 add -= singleWidth(par, i - 1);
710 add = std::max(add, labelEnd(pit) - x);
715 chunkwidth += thiswidth;
717 // break before a character that will fall off
718 // the right of the row
720 // if no break before, break here
721 if (point == end || chunkwidth >= width - left) {
728 // exit on last registered breakpoint:
732 if (par.isNewline(i)) {
738 if (par.isInset(i + 1) && par.getInset(i + 1)->display()) {
743 if (par.isInset(i) && par.getInset(i)->display()) {
749 if (!par.isInset(i) || par.getInset(i)->isChar()) {
750 // some insets are line separators too
751 if (par.isLineSeparator(i)) {
752 // register breakpoint:
759 // maybe found one, but the par is short enough.
760 if (i == end && x < width)
763 // manual labels cannot be broken in LaTeX. But we
764 // want to make our on-screen rendering of footnotes
766 if (body_pos && point < body_pos)
773 void LyXText::setRowWidth(pit_type const pit, Row & row) const
775 // get the pure distance
776 pos_type const end = row.endpos();
778 Paragraph const & par = pars_[pit];
779 string const & labelsep = par.layout()->labelsep;
780 int w = leftMargin(pit, row.pos());
782 pos_type const body_pos = par.beginOfBody();
783 pos_type i = row.pos();
786 FontIterator fi = FontIterator(*this, par, i);
787 for ( ; i < end; ++i, ++fi) {
788 if (body_pos > 0 && i == body_pos) {
789 w += font_metrics::width(labelsep, getLabelFont(par));
790 if (par.isLineSeparator(i - 1))
791 w -= singleWidth(par, i - 1);
792 w = max(w, labelEnd(pit));
794 char const c = par.getChar(i);
795 w += singleWidth(par, i, c, *fi);
799 if (body_pos > 0 && body_pos >= end) {
800 w += font_metrics::width(labelsep, getLabelFont(par));
801 if (end > 0 && par.isLineSeparator(end - 1))
802 w -= singleWidth(par, end - 1);
803 w = max(w, labelEnd(pit));
806 row.width(w + rightMargin(par));
810 // returns the minimum space a manual label needs on the screen in pixel
811 int LyXText::labelFill(Paragraph const & par, Row const & row) const
813 pos_type last = par.beginOfBody();
815 BOOST_ASSERT(last > 0);
817 // -1 because a label ends with a space that is in the label
820 // a separator at this end does not count
821 if (par.isLineSeparator(last))
825 for (pos_type i = row.pos(); i <= last; ++i)
826 w += singleWidth(par, i);
828 string const & label = par.params().labelWidthString();
832 return max(0, font_metrics::width(label, getLabelFont(par)) - w);
836 LColor_color LyXText::backgroundColor() const
838 return LColor_color(LColor::color(background_color_));
842 void LyXText::setHeightOfRow(pit_type const pit, Row & row)
844 Paragraph const & par = pars_[pit];
845 // get the maximum ascent and the maximum descent
846 double layoutasc = 0;
847 double layoutdesc = 0;
848 double const dh = defaultRowHeight();
850 // ok, let us initialize the maxasc and maxdesc value.
851 // Only the fontsize count. The other properties
852 // are taken from the layoutfont. Nicer on the screen :)
853 LyXLayout_ptr const & layout = par.layout();
855 // as max get the first character of this row then it can
856 // increase but not decrease the height. Just some point to
857 // start with so we don't have to do the assignment below too
859 LyXFont font = getFont(par, row.pos());
860 LyXFont::FONT_SIZE const tmpsize = font.size();
861 font = getLayoutFont(pit);
862 LyXFont::FONT_SIZE const size = font.size();
863 font.setSize(tmpsize);
865 LyXFont labelfont = getLabelFont(par);
867 // these are minimum values
868 double const spacing_val = layout->spacing.getValue() * spacing(par);
869 //lyxerr << "spacing_val = " << spacing_val << endl;
870 int maxasc = int(font_metrics::maxAscent(font) * spacing_val);
871 int maxdesc = int(font_metrics::maxDescent(font) * spacing_val);
873 // insets may be taller
874 InsetList::const_iterator ii = par.insetlist.begin();
875 InsetList::const_iterator iend = par.insetlist.end();
876 for ( ; ii != iend; ++ii) {
877 if (ii->pos >= row.pos() && ii->pos < row.endpos()) {
878 maxasc = max(maxasc, ii->inset->ascent());
879 maxdesc = max(maxdesc, ii->inset->descent());
883 // Check if any custom fonts are larger (Asger)
884 // This is not completely correct, but we can live with the small,
885 // cosmetic error for now.
887 pos_type const pos_end = row.endpos();
889 LyXFont::FONT_SIZE maxsize =
890 par.highestFontInRange(row.pos(), pos_end, size);
891 if (maxsize > font.size()) {
892 font.setSize(maxsize);
893 maxasc = max(maxasc, font_metrics::maxAscent(font));
894 maxdesc = max(maxdesc, font_metrics::maxDescent(font));
897 // This is nicer with box insets:
904 if (row.pos() == 0) {
905 BufferParams const & bufparams = bv()->buffer()->params();
906 // some parksips VERY EASY IMPLEMENTATION
907 if (bv()->buffer()->params().paragraph_separation
908 == BufferParams::PARSEP_SKIP
910 && ((layout->isParagraph() && par.getDepth() == 0)
911 || (pars_[pit - 1].layout()->isParagraph()
912 && pars_[pit - 1].getDepth() == 0)))
914 maxasc += bufparams.getDefSkip().inPixels(*bv());
917 if (par.params().startOfAppendix())
918 maxasc += int(3 * dh);
920 // This is special code for the chapter, since the label of this
921 // layout is printed in an extra row
922 if (layout->counter == "chapter"
923 && !par.params().labelString().empty()) {
924 labeladdon = int(font_metrics::maxHeight(labelfont)
925 * layout->spacing.getValue()
929 // special code for the top label
930 if ((layout->labeltype == LABEL_TOP_ENVIRONMENT
931 || layout->labeltype == LABEL_BIBLIO
932 || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)
933 && isFirstInSequence(pit, paragraphs())
934 && !par.getLabelstring().empty())
937 font_metrics::maxHeight(labelfont)
938 * layout->spacing.getValue()
940 + (layout->topsep + layout->labelbottomsep) * dh);
943 // Add the layout spaces, for example before and after
944 // a section, or between the items of a itemize or enumerate
947 pit_type prev = depthHook(pit, pars_, par.getDepth());
949 && pars_[prev].layout() == layout
950 && pars_[prev].getDepth() == par.getDepth()
951 && pars_[prev].getLabelWidthString() == par.getLabelWidthString())
953 layoutasc = layout->itemsep * dh;
954 } else if (pit != 0 || row.pos() != 0) {
955 if (layout->topsep > 0)
956 layoutasc = layout->topsep * dh;
959 prev = outerHook(pit, pars_);
960 if (prev != pit_type(pars_.size())) {
961 maxasc += int(pars_[prev].layout()->parsep * dh);
962 } else if (pit != 0) {
963 if (pars_[pit - 1].getDepth() != 0 ||
964 pars_[pit - 1].layout() == layout) {
965 maxasc += int(layout->parsep * dh);
970 // is it a bottom line?
971 if (row.endpos() >= par.size()) {
972 // add the layout spaces, for example before and after
973 // a section, or between the items of a itemize or enumerate
975 pit_type nextpit = pit + 1;
976 if (nextpit != pit_type(pars_.size())) {
981 if (pars_[cpit].getDepth() > pars_[nextpit].getDepth()) {
982 usual = pars_[cpit].layout()->bottomsep * dh;
983 cpit = depthHook(cpit, paragraphs(), pars_[nextpit].getDepth());
984 if (pars_[cpit].layout() != pars_[nextpit].layout()
985 || pars_[nextpit].getLabelWidthString() != pars_[cpit].getLabelWidthString())
987 unusual = pars_[cpit].layout()->bottomsep * dh;
989 layoutdesc = max(unusual, usual);
990 } else if (pars_[cpit].getDepth() == pars_[nextpit].getDepth()) {
991 if (pars_[cpit].layout() != pars_[nextpit].layout()
992 || pars_[nextpit].getLabelWidthString() != pars_[cpit].getLabelWidthString())
993 layoutdesc = int(pars_[cpit].layout()->bottomsep * dh);
998 // incalculate the layout spaces
999 maxasc += int(layoutasc * 2 / (2 + pars_[pit].getDepth()));
1000 maxdesc += int(layoutdesc * 2 / (2 + pars_[pit].getDepth()));
1002 // Top and bottom margin of the document (only at top-level)
1003 if (bv_owner->text() == this) {
1004 if (pit == 0 && row.pos() == 0)
1006 if (pit + 1 == pars_.size() && row.endpos() == par.size())
1010 row.ascent(maxasc + labeladdon);
1011 row.descent(maxdesc);
1019 void LyXText::breakParagraph(LCursor & cur, bool keep_layout)
1021 BOOST_ASSERT(this == cur.text());
1022 // allow only if at start or end, or all previous is new text
1023 Paragraph & cpar = cur.paragraph();
1024 pit_type cpit = cur.pit();
1026 if (cur.pos() != 0 && cur.pos() != cur.lastpos()
1027 && cpar.isChangeEdited(0, cur.pos()))
1030 LyXTextClass const & tclass = cur.buffer().params().getLyXTextClass();
1031 LyXLayout_ptr const & layout = cpar.layout();
1033 // this is only allowed, if the current paragraph is not empty
1034 // or caption and if it has not the keepempty flag active
1035 if (cur.lastpos() == 0 && !cpar.allowEmpty()
1036 && layout->labeltype != LABEL_SENSITIVE)
1039 // a layout change may affect also the following paragraph
1040 recUndo(cur.pit(), undoSpan(cur.pit()) - 1);
1042 // Always break behind a space
1043 // It is better to erase the space (Dekel)
1044 if (cur.pos() != cur.lastpos() && cpar.isLineSeparator(cur.pos()))
1045 cpar.erase(cur.pos());
1047 // How should the layout for the new paragraph be?
1048 int preserve_layout = 0;
1050 preserve_layout = 2;
1052 preserve_layout = layout->isEnvironment();
1054 // We need to remember this before we break the paragraph, because
1055 // that invalidates the layout variable
1056 bool sensitive = layout->labeltype == LABEL_SENSITIVE;
1058 // we need to set this before we insert the paragraph.
1059 bool const isempty = cpar.allowEmpty() && cpar.empty();
1061 ::breakParagraph(cur.buffer().params(), paragraphs(), cpit,
1062 cur.pos(), preserve_layout);
1064 // After this, neither paragraph contains any rows!
1067 pit_type next_par = cpit + 1;
1069 // well this is the caption hack since one caption is really enough
1072 // set to standard-layout
1073 pars_[cpit].applyLayout(tclass.defaultLayout());
1075 // set to standard-layout
1076 pars_[next_par].applyLayout(tclass.defaultLayout());
1079 while (!pars_[next_par].empty() && pars_[next_par].isNewline(0))
1080 pars_[next_par].erase(0);
1082 updateCounters(cur.buffer());
1084 // This check is necessary. Otherwise the new empty paragraph will
1085 // be deleted automatically. And it is more friendly for the user!
1086 if (cur.pos() != 0 || isempty)
1087 setCursor(cur, cur.pit() + 1, 0);
1089 setCursor(cur, cur.pit(), 0);
1093 // insert a character, moves all the following breaks in the
1094 // same Paragraph one to the right and make a rebreak
1095 void LyXText::insertChar(LCursor & cur, char c)
1097 BOOST_ASSERT(this == cur.text());
1098 BOOST_ASSERT(c != Paragraph::META_INSET);
1100 recordUndo(cur, Undo::INSERT);
1102 Paragraph & par = cur.paragraph();
1103 // try to remove this
1104 pit_type const pit = cur.pit();
1106 bool const freeSpacing = par.layout()->free_spacing ||
1107 par.isFreeSpacing();
1109 if (lyxrc.auto_number) {
1110 static string const number_operators = "+-/*";
1111 static string const number_unary_operators = "+-";
1112 static string const number_seperators = ".,:";
1114 if (current_font.number() == LyXFont::ON) {
1115 if (!IsDigit(c) && !contains(number_operators, c) &&
1116 !(contains(number_seperators, c) &&
1118 cur.pos() != cur.lastpos() &&
1119 getFont(par, cur.pos()).number() == LyXFont::ON &&
1120 getFont(par, cur.pos() - 1).number() == LyXFont::ON)
1122 number(cur); // Set current_font.number to OFF
1123 } else if (IsDigit(c) &&
1124 real_current_font.isVisibleRightToLeft()) {
1125 number(cur); // Set current_font.number to ON
1127 if (cur.pos() != 0) {
1128 char const c = par.getChar(cur.pos() - 1);
1129 if (contains(number_unary_operators, c) &&
1131 || par.isSeparator(cur.pos() - 2)
1132 || par.isNewline(cur.pos() - 2))
1134 setCharFont(pit, cur.pos() - 1, current_font);
1135 } else if (contains(number_seperators, c)
1137 && getFont(par, cur.pos() - 2).number() == LyXFont::ON) {
1138 setCharFont(pit, cur.pos() - 1, current_font);
1144 // First check, if there will be two blanks together or a blank at
1145 // the beginning of a paragraph.
1146 // I decided to handle blanks like normal characters, the main
1147 // difference are the special checks when calculating the row.fill
1148 // (blank does not count at the end of a row) and the check here
1150 // The bug is triggered when we type in a description environment:
1151 // The current_font is not changed when we go from label to main text
1152 // and it should (along with realtmpfont) when we type the space.
1153 // CHECK There is a bug here! (Asger)
1155 // store the current font. This is because of the use of cursor
1156 // movements. The moving cursor would refresh the current font
1157 LyXFont realtmpfont = real_current_font;
1158 LyXFont rawtmpfont = current_font;
1160 // When the free-spacing option is set for the current layout,
1161 // disable the double-space checking
1162 if (!freeSpacing && IsLineSeparatorChar(c)) {
1163 if (cur.pos() == 0) {
1164 static bool sent_space_message = false;
1165 if (!sent_space_message) {
1166 cur.message(_("You cannot insert a space at the "
1167 "beginning of a paragraph. Please read the Tutorial."));
1168 sent_space_message = true;
1172 BOOST_ASSERT(cur.pos() > 0);
1173 if ((par.isLineSeparator(cur.pos() - 1)
1174 || par.isNewline(cur.pos() - 1))
1175 && par.lookupChange(cur.pos() - 1) != Change::DELETED) {
1176 static bool sent_space_message = false;
1177 if (!sent_space_message) {
1178 cur.message(_("You cannot type two spaces this way. "
1179 "Please read the Tutorial."));
1180 sent_space_message = true;
1186 par.insertChar(cur.pos(), c, rawtmpfont);
1188 current_font = rawtmpfont;
1189 real_current_font = realtmpfont;
1190 //setCursor(cur, cur.pit(), cur.pos() + 1, false, cur.boundary());
1191 setCursor(cur, cur.pit(), cur.pos() + 1, false, true);
1196 void LyXText::charInserted()
1198 // Here we call finishUndo for every 20 characters inserted.
1199 // This is from my experience how emacs does it. (Lgb)
1200 static unsigned int counter;
1211 LyXText::computeRowMetrics(pit_type const pit, Row const & row) const
1214 Paragraph const & par = pars_[pit];
1216 double w = dim_.wid - row.width();
1218 bool const is_rtl = isRTL(par);
1220 result.x = rightMargin(par);
1222 result.x = leftMargin(pit, row.pos());
1224 // is there a manual margin with a manual label
1225 LyXLayout_ptr const & layout = par.layout();
1227 if (layout->margintype == MARGIN_MANUAL
1228 && layout->labeltype == LABEL_MANUAL) {
1229 /// We might have real hfills in the label part
1230 int nlh = numberOfLabelHfills(par, row);
1232 // A manual label par (e.g. List) has an auto-hfill
1233 // between the label text and the body of the
1235 // But we don't want to do this auto hfill if the par
1240 if (nlh && !par.getLabelWidthString().empty())
1241 result.label_hfill = labelFill(par, row) / double(nlh);
1244 // are there any hfills in the row?
1245 int const nh = numberOfHfills(par, row);
1249 result.hfill = w / nh;
1250 // we don't have to look at the alignment if it is ALIGN_LEFT and
1251 // if the row is already larger then the permitted width as then
1252 // we force the LEFT_ALIGN'edness!
1253 } else if (int(row.width()) < maxwidth_) {
1254 // is it block, flushleft or flushright?
1255 // set x how you need it
1257 if (par.params().align() == LYX_ALIGN_LAYOUT)
1258 align = layout->align;
1260 align = par.params().align();
1262 // Display-style insets should always be on a centred row
1263 // The test on par.size() is to catch zero-size pars, which
1264 // would trigger the assert in Paragraph::getInset().
1265 //inset = par.size() ? par.getInset(row.pos()) : 0;
1267 && par.isInset(row.pos())
1268 && par.getInset(row.pos())->display())
1270 align = LYX_ALIGN_CENTER;
1274 case LYX_ALIGN_BLOCK: {
1275 int const ns = numberOfSeparators(par, row);
1276 bool disp_inset = false;
1277 if (row.endpos() < par.size()) {
1278 InsetBase const * in = par.getInset(row.endpos());
1280 disp_inset = in->display();
1282 // If we have separators, this is not the last row of a
1283 // par, does not end in newline, and is not row above a
1284 // display inset... then stretch it
1286 && row.endpos() < par.size()
1287 && !par.isNewline(row.endpos() - 1)
1290 result.separator = w / ns;
1291 } else if (is_rtl) {
1296 case LYX_ALIGN_RIGHT:
1299 case LYX_ALIGN_CENTER:
1305 bidi.computeTables(par, *bv()->buffer(), row);
1307 pos_type body_pos = par.beginOfBody();
1308 pos_type end = row.endpos();
1311 && (body_pos > end || !par.isLineSeparator(body_pos - 1)))
1313 result.x += font_metrics::width(layout->labelsep, getLabelFont(par));
1314 if (body_pos <= end)
1315 result.x += result.label_hfill;
1323 // the cursor set functions have a special mechanism. When they
1324 // realize, that you left an empty paragraph, they will delete it.
1326 bool LyXText::cursorRightOneWord(LCursor & cur)
1328 BOOST_ASSERT(this == cur.text());
1332 if (old.pos() == old.lastpos() && old.pit() != old.lastpit()) {
1336 // Skip through initial nonword stuff.
1337 // Treat floats and insets as words.
1338 while (old.pos() != old.lastpos() && !old.paragraph().isLetter(old.pos()))
1340 // Advance through word.
1341 while (old.pos() != old.lastpos() && old.paragraph().isLetter(old.pos()))
1344 return setCursor(cur, old.pit(), old.pos());
1348 bool LyXText::cursorLeftOneWord(LCursor & cur)
1350 BOOST_ASSERT(this == cur.text());
1354 if (old.pos() == 0 && old.pit() != 0) {
1356 old.pos() = old.lastpos();
1358 // Skip through initial nonword stuff.
1359 // Treat floats and insets as words.
1360 while (old.pos() != 0 && !old.paragraph().isLetter(old.pos() - 1))
1362 // Advance through word.
1363 while (old.pos() != 0 && old.paragraph().isLetter(old.pos() - 1))
1366 return setCursor(cur, old.pit(), old.pos());
1370 void LyXText::selectWord(LCursor & cur, word_location loc)
1372 BOOST_ASSERT(this == cur.text());
1373 CursorSlice from = cur.top();
1374 CursorSlice to = cur.top();
1375 getWord(from, to, loc);
1376 if (cur.top() != from)
1377 setCursor(cur, from.pit(), from.pos());
1381 setCursor(cur, to.pit(), to.pos());
1386 // Select the word currently under the cursor when no
1387 // selection is currently set
1388 bool LyXText::selectWordWhenUnderCursor(LCursor & cur, word_location loc)
1390 BOOST_ASSERT(this == cur.text());
1391 if (cur.selection())
1393 selectWord(cur, loc);
1394 return cur.selection();
1398 void LyXText::acceptChange(LCursor & cur)
1400 BOOST_ASSERT(this == cur.text());
1401 if (!cur.selection() && cur.lastpos() != 0)
1404 CursorSlice const & startc = cur.selBegin();
1405 CursorSlice const & endc = cur.selEnd();
1406 if (startc.pit() == endc.pit()) {
1407 recordUndoSelection(cur, Undo::INSERT);
1408 pars_[startc.pit()].acceptChange(startc.pos(), endc.pos());
1410 cur.clearSelection();
1411 setCursorIntern(cur, startc.pit(), 0);
1413 #ifdef WITH_WARNINGS
1414 #warning handle multi par selection
1419 void LyXText::rejectChange(LCursor & cur)
1421 BOOST_ASSERT(this == cur.text());
1422 if (!cur.selection() && cur.lastpos() != 0)
1425 CursorSlice const & startc = cur.selBegin();
1426 CursorSlice const & endc = cur.selEnd();
1427 if (startc.pit() == endc.pit()) {
1428 recordUndoSelection(cur, Undo::INSERT);
1429 pars_[startc.pit()].rejectChange(startc.pos(), endc.pos());
1431 cur.clearSelection();
1432 setCursorIntern(cur, startc.pit(), 0);
1434 #ifdef WITH_WARNINGS
1435 #warning handle multi par selection
1440 // Delete from cursor up to the end of the current or next word.
1441 void LyXText::deleteWordForward(LCursor & cur)
1443 BOOST_ASSERT(this == cur.text());
1444 if (cur.lastpos() == 0)
1448 cur.selection() = true;
1449 cursorRightOneWord(cur);
1451 cutSelection(cur, true, false);
1456 // Delete from cursor to start of current or prior word.
1457 void LyXText::deleteWordBackward(LCursor & cur)
1459 BOOST_ASSERT(this == cur.text());
1460 if (cur.lastpos() == 0)
1464 cur.selection() = true;
1465 cursorLeftOneWord(cur);
1467 cutSelection(cur, true, false);
1472 // Kill to end of line.
1473 void LyXText::deleteLineForward(LCursor & cur)
1475 BOOST_ASSERT(this == cur.text());
1476 if (cur.lastpos() == 0) {
1477 // Paragraph is empty, so we just go to the right
1481 cur.selection() = true; // to avoid deletion
1484 // What is this test for ??? (JMarc)
1485 if (!cur.selection())
1486 deleteWordForward(cur);
1488 cutSelection(cur, true, false);
1493 void LyXText::changeCase(LCursor & cur, LyXText::TextCase action)
1495 BOOST_ASSERT(this == cur.text());
1499 if (cur.selection()) {
1500 from = cur.selBegin();
1504 getWord(from, to, lyx::PARTIAL_WORD);
1505 setCursor(cur, to.pit(), to.pos() + 1);
1508 recordUndoSelection(cur);
1510 pos_type pos = from.pos();
1511 int par = from.pit();
1513 while (par != int(pars_.size()) && (pos != to.pos() || par != to.pit())) {
1515 if (pos == pars_[pit].size()) {
1520 unsigned char c = pars_[pit].getChar(pos);
1521 if (c != Paragraph::META_INSET) {
1523 case text_lowercase:
1526 case text_capitalization:
1528 action = text_lowercase;
1530 case text_uppercase:
1535 #ifdef WITH_WARNINGS
1538 pars_[pit].setChar(pos, c);
1544 void LyXText::Delete(LCursor & cur)
1546 BOOST_ASSERT(this == cur.text());
1548 if (cur.pos() != cur.lastpos()) {
1549 recordUndo(cur, Undo::DELETE, cur.pit());
1550 setCursorIntern(cur, cur.pit(), cur.pos() + 1, false, cur.boundary());
1552 } else if (cur.pit() != cur.lastpit()) {
1555 setCursorIntern(cur, cur.pit()+1, 0, false, false);
1556 if (pars_[cur.pit()].layout() == pars_[scur.pit()].layout()) {
1557 recordUndo(scur, Undo::DELETE, scur.pit());
1560 setCursorIntern(scur, scur.pit(), scur.pos(), false, scur.boundary());
1566 void LyXText::backspace(LCursor & cur)
1568 BOOST_ASSERT(this == cur.text());
1569 if (cur.pos() == 0) {
1570 // The cursor is at the beginning of a paragraph, so
1571 // the the backspace will collapse two paragraphs into
1574 // but it's not allowed unless it's new
1575 Paragraph & par = cur.paragraph();
1576 if (par.isChangeEdited(0, par.size()))
1579 // we may paste some paragraphs
1581 // is it an empty paragraph?
1582 pos_type lastpos = cur.lastpos();
1583 if (lastpos == 0 || (lastpos == 1 && par.isSeparator(0))) {
1584 // This is an empty paragraph and we delete it just
1585 // by moving the cursor one step
1586 // left and let the DeleteEmptyParagraphMechanism
1587 // handle the actual deletion of the paragraph.
1589 if (cur.pit() != 0) {
1590 // For KeepEmpty layouts we need to get
1591 // rid of the keepEmpty setting first.
1592 // And the only way to do this is to
1593 // reset the layout to something
1594 // else: f.ex. the default layout.
1595 if (par.allowEmpty()) {
1596 Buffer & buf = cur.buffer();
1597 BufferParams const & bparams = buf.params();
1598 par.layout(bparams.getLyXTextClass().defaultLayout());
1607 recordUndo(cur, Undo::DELETE, cur.pit() - 1);
1609 pit_type tmppit = cur.pit();
1610 // We used to do cursorLeftIntern() here, but it is
1611 // not a good idea since it triggers the auto-delete
1612 // mechanism. So we do a cursorLeftIntern()-lite,
1613 // without the dreaded mechanism. (JMarc)
1614 if (cur.pit() != 0) {
1615 // steps into the above paragraph.
1616 setCursorIntern(cur, cur.pit() - 1,
1617 pars_[cur.pit() - 1].size(),
1621 // Pasting is not allowed, if the paragraphs have different
1622 // layout. I think it is a real bug of all other
1623 // word processors to allow it. It confuses the user.
1624 // Correction: Pasting is always allowed with standard-layout
1625 // Correction (Jug 20050717): Remove check about alignment!
1626 Buffer & buf = cur.buffer();
1627 BufferParams const & bufparams = buf.params();
1628 LyXTextClass const & tclass = bufparams.getLyXTextClass();
1629 pit_type const cpit = cur.pit();
1632 && (pars_[cpit].layout() == pars_[tmppit].layout()
1633 || pars_[tmppit].layout() == tclass.defaultLayout()))
1635 mergeParagraph(bufparams, pars_, cpit);
1637 if (cur.pos() != 0 && pars_[cpit].isSeparator(cur.pos() - 1))
1640 // the counters may have changed
1641 updateCounters(cur.buffer());
1642 setCursor(cur, cur.pit(), cur.pos(), false);
1645 // this is the code for a normal backspace, not pasting
1647 recordUndo(cur, Undo::DELETE);
1648 // We used to do cursorLeftIntern() here, but it is
1649 // not a good idea since it triggers the auto-delete
1650 // mechanism. So we do a cursorLeftIntern()-lite,
1651 // without the dreaded mechanism. (JMarc)
1652 setCursorIntern(cur, cur.pit(), cur.pos() - 1,
1653 false, cur.boundary());
1654 cur.paragraph().erase(cur.pos());
1657 if (cur.pos() == cur.lastpos())
1658 setCurrentFont(cur);
1660 setCursor(cur, cur.pit(), cur.pos(), false, cur.boundary());
1664 Row const & LyXText::firstRow() const
1666 return *paragraphs().front().rows().begin();
1670 bool LyXText::redoParagraph(pit_type const pit)
1672 // remove rows of paragraph, keep track of height changes
1673 Paragraph & par = pars_[pit];
1675 // Add bibitem insets if necessary
1676 if (par.layout()->labeltype == LABEL_BIBLIO) {
1677 bool hasbibitem(false);
1678 if (!par.insetlist.empty()
1679 // Insist on it being in pos 0
1680 && par.getChar(0) == Paragraph::META_INSET) {
1681 InsetBase * inset = par.insetlist.begin()->inset;
1682 if (inset->lyxCode() == InsetBase::BIBITEM_CODE)
1686 InsetBibitem * inset(new
1687 InsetBibitem(InsetCommandParams("bibitem")));
1688 par.insertInset(0, static_cast<InsetBase *>(inset));
1689 bv()->cursor().posRight();
1694 InsetList::iterator ii = par.insetlist.begin();
1695 InsetList::iterator iend = par.insetlist.end();
1696 for (; ii != iend; ++ii) {
1698 int const w = maxwidth_ - leftMargin(pit) - rightMargin(par);
1699 MetricsInfo mi(bv(), getFont(par, ii->pos), w);
1700 ii->inset->metrics(mi, dim);
1703 // rebreak the paragraph
1707 par.setBeginOfBody();
1711 rowBreakPoint(pit, row);
1712 setRowWidth(pit, row);
1713 setHeightOfRow(pit, row);
1714 par.rows().push_back(row);
1715 dim.wid = std::max(dim.wid, row.width());
1716 dim.des += row.height();
1718 } while (z < par.size());
1720 dim.asc += par.rows()[0].ascent();
1721 dim.des -= par.rows()[0].ascent();
1723 bool const same = dim == par.dim();
1726 //lyxerr << "redoParagraph: " << par.rows().size() << " rows\n";
1732 void LyXText::metrics(MetricsInfo & mi, Dimension & dim)
1734 //BOOST_ASSERT(mi.base.textwidth);
1735 if (mi.base.textwidth)
1736 maxwidth_ = mi.base.textwidth;
1737 //lyxerr << "LyXText::metrics: width: " << mi.base.textwidth
1738 // << " maxWidth: " << maxwidth_ << "\nfont: " << mi.base.font << endl;
1739 // save the caller's font locally:
1740 font_ = mi.base.font;
1744 for (pit_type pit = 0, n = paragraphs().size(); pit != n; ++pit) {
1746 Paragraph & par = paragraphs()[pit];
1748 if (w < par.width())
1753 dim.asc = pars_[0].ascent();
1754 dim.des = h - dim.asc;
1760 // only used for inset right now. should also be used for main text
1761 void LyXText::draw(PainterInfo & pi, int x, int y) const
1763 paintTextInset(*this, pi, x, y);
1768 // only used for inset right now. should also be used for main text
1769 void LyXText::drawSelection(PainterInfo & pi, int x , int) const
1771 LCursor & cur = pi.base.bv->cursor();
1772 if (!cur.selection())
1774 if (!ptr_cmp(cur.text(), this))
1777 lyxerr << "draw selection at " << x << endl;
1779 // is there a better way of getting these two iterators?
1780 DocIterator beg = cur;
1781 DocIterator end = cur;
1783 beg.top() = cur.selBegin();
1784 end.top() = cur.selEnd();
1786 // the selection doesn't touch the visible screen
1787 if (bv_funcs::status(pi.base.bv, beg) == bv_funcs::CUR_BELOW
1788 || bv_funcs::status(pi.base.bv, end) == bv_funcs::CUR_ABOVE)
1791 Paragraph const & par1 = pars_[beg.pit()];
1792 Paragraph const & par2 = pars_[end.pit()];
1794 Row const & row1 = par1.getRow(beg.pos(), beg.boundary());
1795 Row const & row2 = par2.getRow(end.pos(), end.boundary());
1798 if (bv_funcs::status(pi.base.bv, beg) == bv_funcs::CUR_ABOVE) {
1803 y1 = bv_funcs::getPos(beg).y_ - row1.ascent();
1804 int const startx = cursorX(beg.top(), begin.boundary());
1805 x1 = isRTL(par1) ? startx : 0;
1806 x2 = isRTL(par1) ? 0 + dim_.wid : startx;
1810 if (bv_funcs::status(pi.base.bv, end) == bv_funcs::CUR_BELOW) {
1811 y2 = pi.base.bv->workHeight();
1815 y2 = bv_funcs::getPos(end).y_ + row2.descent();
1816 int const endx = cursorX(end.top(), end.boundary());
1817 X1 = isRTL(par2) ? 0 : endx;
1818 X2 = isRTL(par2) ? endx : 0 + dim_.wid;
1821 lyxerr << " y1: " << y1 << " y2: " << y2
1822 << " xo: " << xo_ << " wid: " << dim_.wid
1825 // paint big rectangle in one go
1826 pi.pain.fillRectangle(x, y1, dim_.wid, y2 - y1, LColor::selection);
1828 // reset background at begin of first selected line
1829 pi.pain.fillRectangle(x + x1, y1, x2 - x1, row1.height(),
1830 LColor::background);
1832 // reset background at end of last selected line
1833 pi.pain.fillRectangle(x + X1, y2 - row2.height(),
1834 X2 - X1, row2.height(), LColor::background);
1839 void LyXText::drawSelection(PainterInfo & pi, int x, int) const
1841 LCursor & cur = pi.base.bv->cursor();
1842 if (!cur.selection())
1844 if (!ptr_cmp(cur.text(), this))
1847 lyxerr[Debug::DEBUG]
1848 << BOOST_CURRENT_FUNCTION
1849 << "draw selection at " << x
1852 // is there a better way of getting these two iterators?
1853 DocIterator beg = cur;
1854 DocIterator end = cur;
1856 beg.top() = cur.selBegin();
1857 end.top() = cur.selEnd();
1859 // the selection doesn't touch the visible screen
1860 if (bv_funcs::status(pi.base.bv, beg) == bv_funcs::CUR_BELOW
1861 || bv_funcs::status(pi.base.bv, end) == bv_funcs::CUR_ABOVE)
1864 Paragraph const & par1 = pars_[beg.pit()];
1865 Paragraph const & par2 = pars_[end.pit()];
1867 bool const above = (bv_funcs::status(pi.base.bv, beg)
1868 == bv_funcs::CUR_ABOVE);
1869 bool const below = (bv_funcs::status(pi.base.bv, end)
1870 == bv_funcs::CUR_BELOW);
1878 Row const & row1 = par1.getRow(beg.pos(), beg.boundary());
1879 y1 = bv_funcs::getPos(beg, beg.boundary()).y_ - row1.ascent();
1880 y2 = y1 + row1.height();
1881 int const startx = cursorX(beg.top(), beg.boundary());
1882 x1 = !isRTL(par1) ? startx : 0;
1883 x2 = !isRTL(par1) ? 0 + dim_.wid : startx;
1888 Y1 = pi.base.bv->workHeight();
1889 Y2 = pi.base.bv->workHeight();
1893 Row const & row2 = par2.getRow(end.pos(), end.boundary());
1894 Y1 = bv_funcs::getPos(end, end.boundary()).y_ - row2.ascent();
1895 Y2 = Y1 + row2.height();
1896 int const endx = cursorX(end.top(), end.boundary());
1897 X1 = !isRTL(par2) ? 0 : endx;
1898 X2 = !isRTL(par2) ? endx : 0 + dim_.wid;
1901 if (!above && !below && &par1.getRow(beg.pos(), end.boundary())
1902 == &par2.getRow(end.pos(), end.boundary()))
1904 // paint only one rectangle
1905 pi.pain.fillRectangle(x + x1, y1, X2 - x1, y2 - y1,
1910 lyxerr[Debug::DEBUG] << " y1: " << y1 << " y2: " << y2
1911 << "X1:" << X1 << " x2: " << X2 << " wid: " << dim_.wid
1914 // paint upper rectangle
1915 pi.pain.fillRectangle(x + x1, y1, x2 - x1, y2 - y1,
1917 // paint bottom rectangle
1918 pi.pain.fillRectangle(x + X1, Y1, X2 - X1, Y2 - Y1,
1920 // paint center rectangle
1921 pi.pain.fillRectangle(x, y2, dim_.wid,
1922 Y1 - y2, LColor::selection);
1926 bool LyXText::isLastRow(pit_type pit, Row const & row) const
1928 return row.endpos() >= pars_[pit].size()
1929 && pit + 1 == pit_type(paragraphs().size());
1933 bool LyXText::isFirstRow(pit_type pit, Row const & row) const
1935 return row.pos() == 0 && pit == 0;
1939 void LyXText::getWord(CursorSlice & from, CursorSlice & to,
1940 word_location const loc)
1942 Paragraph const & from_par = pars_[from.pit()];
1944 case lyx::WHOLE_WORD_STRICT:
1945 if (from.pos() == 0 || from.pos() == from_par.size()
1946 || !from_par.isLetter(from.pos())
1947 || !from_par.isLetter(from.pos() - 1)) {
1951 // no break here, we go to the next
1953 case lyx::WHOLE_WORD:
1954 // If we are already at the beginning of a word, do nothing
1955 if (!from.pos() || !from_par.isLetter(from.pos() - 1))
1957 // no break here, we go to the next
1959 case lyx::PREVIOUS_WORD:
1960 // always move the cursor to the beginning of previous word
1961 while (from.pos() && from_par.isLetter(from.pos() - 1))
1964 case lyx::NEXT_WORD:
1965 lyxerr << "LyXText::getWord: NEXT_WORD not implemented yet"
1968 case lyx::PARTIAL_WORD:
1969 // no need to move the 'from' cursor
1973 Paragraph & to_par = pars_[to.pit()];
1974 while (to.pos() < to_par.size() && to_par.isLetter(to.pos()))
1979 void LyXText::write(Buffer const & buf, std::ostream & os) const
1981 ParagraphList::const_iterator pit = paragraphs().begin();
1982 ParagraphList::const_iterator end = paragraphs().end();
1983 Paragraph::depth_type dth = 0;
1984 for (; pit != end; ++pit)
1985 pit->write(buf, os, buf.params(), dth);
1989 bool LyXText::read(Buffer const & buf, LyXLex & lex)
1991 static Change current_change;
1993 Paragraph::depth_type depth = 0;
1995 while (lex.isOK()) {
1997 string const token = lex.getString();
2002 if (token == "\\end_inset") {
2006 if (token == "\\end_body") {
2010 if (token == "\\begin_body") {
2014 if (token == "\\end_document") {
2018 if (token == "\\begin_layout") {
2019 lex.pushToken(token);
2022 par.params().depth(depth);
2023 if (buf.params().tracking_changes)
2025 par.setFont(0, LyXFont(LyXFont::ALL_INHERIT, buf.params().language));
2026 pars_.push_back(par);
2028 // FIXME: goddamn InsetTabular makes us pass a Buffer
2030 ::readParagraph(buf, pars_.back(), lex);
2032 } else if (token == "\\begin_deeper") {
2034 } else if (token == "\\end_deeper") {
2036 lex.printError("\\end_deeper: " "depth is already null");
2041 lyxerr << "Handling unknown body token: `"
2042 << token << '\'' << endl;
2049 int LyXText::ascent() const
2055 int LyXText::descent() const
2061 int LyXText::cursorX(CursorSlice const & sl, bool boundary) const
2063 pit_type const pit = sl.pit();
2064 Paragraph const & par = pars_[pit];
2065 if (par.rows().empty())
2068 pos_type ppos = sl.pos();
2069 // Correct position in front of big insets
2070 bool const boundary_correction = ppos != 0 && boundary;
2071 if (boundary_correction)
2074 Row const & row = par.getRow(sl.pos(), boundary);
2076 pos_type cursor_vpos = 0;
2078 RowMetrics const m = computeRowMetrics(pit, row);
2081 pos_type const row_pos = row.pos();
2082 pos_type const end = row.endpos();
2085 cursor_vpos = row_pos;
2086 else if (ppos >= end)
2087 cursor_vpos = isRTL(par) ? row_pos : end;
2088 else if (ppos > row_pos && ppos >= end)
2089 // Place cursor after char at (logical) position pos - 1
2090 cursor_vpos = (bidi.level(ppos - 1) % 2 == 0)
2091 ? bidi.log2vis(ppos - 1) + 1 : bidi.log2vis(ppos - 1);
2093 // Place cursor before char at (logical) position ppos
2094 cursor_vpos = (bidi.level(ppos) % 2 == 0)
2095 ? bidi.log2vis(ppos) : bidi.log2vis(ppos) + 1;
2097 pos_type body_pos = par.beginOfBody();
2099 (body_pos > end || !par.isLineSeparator(body_pos - 1)))
2102 // Use font span to speed things up, see below
2106 for (pos_type vpos = row_pos; vpos < cursor_vpos; ++vpos) {
2107 pos_type pos = bidi.vis2log(vpos);
2108 if (body_pos > 0 && pos == body_pos - 1) {
2110 + font_metrics::width(par.layout()->labelsep,
2112 if (par.isLineSeparator(body_pos - 1))
2113 x -= singleWidth(par, body_pos - 1);
2116 // Use font span to speed things up, see above
2117 if (pos < font_span.first || pos > font_span.last) {
2118 font_span = par.fontSpan(pos);
2119 font = getFont(par, pos);
2122 x += singleWidth(par, pos, par.getChar(pos), font);
2124 if (hfillExpansion(par, row, pos))
2125 x += (pos >= body_pos) ? m.hfill : m.label_hfill;
2126 else if (par.isSeparator(pos) && pos >= body_pos)
2130 // see correction above
2131 if (boundary_correction)
2132 x += singleWidth(par, ppos);
2138 int LyXText::cursorY(CursorSlice const & sl, bool boundary) const
2140 //lyxerr << "LyXText::cursorY: boundary: " << boundary << std::endl;
2141 Paragraph const & par = getPar(sl.pit());
2143 h -= pars_[0].rows()[0].ascent();
2144 for (pit_type pit = 0; pit < sl.pit(); ++pit)
2145 h += pars_[pit].height();
2147 if (pos && boundary)
2149 size_t const rend = par.pos2row(pos);
2150 for (size_t rit = 0; rit != rend; ++rit)
2151 h += par.rows()[rit].height();
2152 h += par.rows()[rend].ascent();
2157 // Returns the current font and depth as a message.
2158 string LyXText::currentState(LCursor & cur)
2160 BOOST_ASSERT(this == cur.text());
2161 Buffer & buf = cur.buffer();
2162 Paragraph const & par = cur.paragraph();
2163 std::ostringstream os;
2165 bool const show_change = buf.params().tracking_changes
2166 && cur.pos() != cur.lastpos()
2167 && par.lookupChange(cur.pos()) != Change::UNCHANGED;
2170 Change change = par.lookupChangeFull(cur.pos());
2171 Author const & a = buf.params().authors().get(change.author);
2172 os << _("Change: ") << a.name();
2173 if (!a.email().empty())
2174 os << " (" << a.email() << ")";
2175 if (change.changetime)
2176 os << _(" at ") << ctime(&change.changetime);
2180 // I think we should only show changes from the default
2182 LyXFont font = real_current_font;
2183 font.reduce(buf.params().getLyXTextClass().defaultfont());
2185 // avoid _(...) re-entrance problem
2186 string const s = font.stateText(&buf.params());
2187 os << bformat(_("Font: %1$s"), s);
2189 // os << bformat(_("Font: %1$s"), font.stateText(&buf.params));
2191 // The paragraph depth
2192 int depth = cur.paragraph().getDepth();
2194 os << bformat(_(", Depth: %1$d"), depth);
2196 // The paragraph spacing, but only if different from
2198 Spacing const & spacing = par.params().spacing();
2199 if (!spacing.isDefault()) {
2200 os << _(", Spacing: ");
2201 switch (spacing.getSpace()) {
2202 case Spacing::Single:
2205 case Spacing::Onehalf:
2208 case Spacing::Double:
2211 case Spacing::Other:
2212 os << _("Other (") << spacing.getValueAsString() << ')';
2214 case Spacing::Default:
2215 // should never happen, do nothing
2220 #ifdef DEVEL_VERSION
2221 os << _(", Inset: ") << &cur.inset();
2222 os << _(", Paragraph: ") << cur.pit();
2223 os << _(", Id: ") << par.id();
2224 os << _(", Position: ") << cur.pos();
2225 os << _(", Boundary: ") << cur.boundary();
2226 // Row & row = cur.textRow();
2227 // os << bformat(_(", Row b:%1$d e:%2$d"), row.pos(), row.endpos());
2233 string LyXText::getPossibleLabel(LCursor & cur) const
2235 pit_type pit = cur.pit();
2237 LyXLayout_ptr layout = pars_[pit].layout();
2239 if (layout->latextype == LATEX_PARAGRAPH && pit != 0) {
2240 LyXLayout_ptr const & layout2 = pars_[pit - 1].layout();
2241 if (layout2->latextype != LATEX_PARAGRAPH) {
2247 string text = layout->latexname().substr(0, 3);
2248 if (layout->latexname() == "theorem")
2249 text = "thm"; // Create a correct prefix for prettyref
2252 if (layout->latextype == LATEX_PARAGRAPH || lyxrc.label_init_length < 0)
2255 string par_text = pars_[pit].asString(cur.buffer(), false);
2256 for (int i = 0; i < lyxrc.label_init_length; ++i) {
2257 if (par_text.empty())
2260 par_text = split(par_text, head, ' ');
2261 // Is it legal to use spaces in labels ?
2271 //pos_type LyXText::x2pos(pit_type pit, int row, int x) const
2275 // Paragraph const & par = pars_[pit];
2276 // Row const & r = par.rows()[row];
2277 // int pos = r.pos();
2278 // for (; currx < x && pos < r.endpos(); ++pos) {
2280 // currx += singleWidth(par, pos);
2282 // if (abs(lastx - x) < abs(currx - x) && pos != r.pos())
2288 pos_type LyXText::x2pos(pit_type pit, int row, int x) const
2290 BOOST_ASSERT(row < int(pars_[pit].rows().size()));
2292 Row const & r = pars_[pit].rows()[row];
2293 return r.pos() + getColumnNearX(pit, r, x, bound);
2297 //int LyXText::pos2x(pit_type pit, pos_type pos) const
2299 // Paragraph const & par = pars_[pit];
2300 // Row const & r = par.rows()[row];
2306 // x,y are screen coordinates
2307 // sets cursor only within this LyXText
2308 void LyXText::setCursorFromCoordinates(LCursor & cur, int const x, int const y)
2310 pit_type pit = getPitNearY(y);
2311 int yy = theCoords.get(this, pit).y_ - pars_[pit].ascent();
2312 lyxerr[Debug::DEBUG]
2313 << BOOST_CURRENT_FUNCTION
2317 << " yy: " << yy << endl;
2319 Paragraph const & par = pars_[pit];
2321 BOOST_ASSERT(par.rows().size());
2322 for (; r < int(par.rows().size()) - 1; ++r) {
2323 Row const & row = par.rows()[r];
2324 if (int(yy + row.height()) > y)
2329 Row const & row = par.rows()[r];
2331 lyxerr[Debug::DEBUG]
2332 << BOOST_CURRENT_FUNCTION
2334 << " from pos: " << row.pos()
2339 pos_type const pos = row.pos() + getColumnNearX(pit, row, xx, bound);
2341 lyxerr[Debug::DEBUG]
2342 << BOOST_CURRENT_FUNCTION
2343 << ": setting cursor pit: " << pit
2347 setCursor(cur, pit, pos, true, bound);