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 "bufferparams.h"
24 #include "BufferView.h"
27 #include "dispatchresult.h"
29 #include "funcrequest.h"
33 #include "lyxlength.h"
37 #include "lyxrow_funcs.h"
38 #include "metricsinfo.h"
39 #include "paragraph.h"
40 #include "paragraph_funcs.h"
41 #include "ParagraphParameters.h"
42 #include "rowpainter.h"
45 #include "WordLangTuple.h"
47 #include "frontends/font_metrics.h"
48 #include "frontends/LyXView.h"
50 #include "insets/insettext.h"
52 #include "support/lstrings.h"
53 #include "support/textutils.h"
54 #include "support/tostr.h"
55 #include "support/std_sstream.h"
58 using lyx::word_location;
60 using lyx::support::bformat;
61 using lyx::support::contains;
62 using lyx::support::lowercase;
63 using lyx::support::split;
64 using lyx::support::uppercase;
74 /// some space for drawing the 'nested' markers (in pixel)
75 extern int const NEST_MARGIN = 20;
76 /// margin for changebar
77 extern int const CHANGEBAR_MARGIN = 10;
79 extern int const RIGHT_MARGIN = 10;
84 int numberOfSeparators(Paragraph const & par, Row const & row)
86 pos_type const first = max(row.pos(), par.beginOfBody());
87 pos_type const last = row.endpos() - 1;
89 for (pos_type p = first; p < last; ++p) {
90 if (par.isSeparator(p))
97 unsigned int maxParagraphWidth(ParagraphList const & plist)
99 unsigned int width = 0;
100 ParagraphList::const_iterator pit = plist.begin();
101 ParagraphList::const_iterator end = plist.end();
102 for (; pit != end; ++pit)
103 width = std::max(width, pit->width);
108 int numberOfLabelHfills(Paragraph const & par, Row const & row)
110 pos_type last = row.endpos() - 1;
111 pos_type first = row.pos();
113 // hfill *DO* count at the beginning of paragraphs!
115 while (first < last && par.isHfill(first))
119 last = min(last, par.beginOfBody());
121 for (pos_type p = first; p < last; ++p) {
129 int numberOfHfills(Paragraph const & par, Row const & row)
131 pos_type const last = row.endpos() - 1;
132 pos_type first = row.pos();
134 // hfill *DO* count at the beginning of paragraphs!
136 while (first < last && par.isHfill(first))
140 first = max(first, par.beginOfBody());
143 for (pos_type p = first; p < last; ++p) {
153 BufferView * LyXText::bv()
155 BOOST_ASSERT(bv_owner != 0);
160 double LyXText::spacing(Paragraph const & par) const
162 if (par.params().spacing().isDefault())
163 return bv()->buffer()->params().spacing().getValue();
164 return par.params().spacing().getValue();
168 BufferView * LyXText::bv() const
170 BOOST_ASSERT(bv_owner != 0);
175 void LyXText::updateParPositions()
177 ParagraphList::iterator pit = paragraphs().begin();
178 ParagraphList::iterator end = paragraphs().end();
179 for (height = 0; pit != end; ++pit) {
181 height += pit->height;
186 int LyXText::textWidth() const
192 int LyXText::singleWidth(ParagraphList::iterator pit, pos_type pos) const
194 if (pos >= pit->size())
197 char const c = pit->getChar(pos);
198 return singleWidth(pit, pos, c, getFont(pit, pos));
202 int LyXText::singleWidth(ParagraphList::iterator pit,
203 pos_type pos, char c, LyXFont const & font) const
205 if (pos >= pit->size()) {
206 lyxerr << "in singleWidth(), pos: " << pos << endl;
211 // The most common case is handled first (Asger)
212 if (IsPrintable(c)) {
213 if (!font.language()->RightToLeft()) {
214 if ((lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 ||
215 lyxrc.font_norm_type == LyXRC::ISO_10646_1)
216 && font.language()->lang() == "arabic") {
217 if (Encodings::IsComposeChar_arabic(c))
220 c = pit->transformChar(c, pos);
221 } else if (font.language()->lang() == "hebrew" &&
222 Encodings::IsComposeChar_hebrew(c))
225 return font_metrics::width(c, font);
228 if (c == Paragraph::META_INSET)
229 return pit->getInset(pos)->width();
231 if (IsSeparatorChar(c))
233 return font_metrics::width(c, font);
237 int LyXText::leftMargin(ParagraphList::iterator pit) const
239 return leftMargin(pit, pit->size());
243 int LyXText::leftMargin(ParagraphList::iterator pit, pos_type pos) const
245 LyXTextClass const & tclass =
246 bv()->buffer()->params().getLyXTextClass();
247 LyXLayout_ptr const & layout = pit->layout();
249 string parindent = layout->parindent;
251 int x = NEST_MARGIN + CHANGEBAR_MARGIN;
253 x += font_metrics::signedWidth(tclass.leftmargin(), tclass.defaultfont());
255 // This is the way LyX handles LaTeX-Environments.
256 // I have had this idea very late, so it seems to be a
257 // later added hack and this is true
258 if (pit->getDepth() == 0) {
259 if (pit->layout() == tclass.defaultLayout()) {
260 // find the previous same level paragraph
261 if (pit != paragraphs().begin()) {
262 ParagraphList::iterator newpit =
263 depthHook(pit, paragraphs(), pit->getDepth());
264 if (newpit == pit && newpit->layout()->nextnoindent)
269 // find the next level paragraph
270 ParagraphList::iterator newpar =
271 outerHook(pit, paragraphs());
273 // Make a corresponding row. Need to call leftMargin()
274 // to check whether it is a sufficent paragraph.
275 if (newpar != paragraphs().end()
276 && newpar->layout()->isEnvironment()) {
277 x = leftMargin(newpar);
280 if (newpar != paragraphs().end()
281 && pit->layout() == tclass.defaultLayout()) {
282 if (newpar->params().noindent())
285 parindent = newpar->layout()->parindent;
289 LyXFont const labelfont = getLabelFont(pit);
290 switch (layout->margintype) {
292 if (!layout->leftmargin.empty())
293 x += font_metrics::signedWidth(layout->leftmargin,
294 tclass.defaultfont());
295 if (!pit->getLabelstring().empty()) {
296 x += font_metrics::signedWidth(layout->labelindent,
298 x += font_metrics::width(pit->getLabelstring(),
300 x += font_metrics::width(layout->labelsep, labelfont);
305 x += font_metrics::signedWidth(layout->labelindent, labelfont);
306 // The width of an empty par, even with manual label, should be 0
307 if (!pit->empty() && pos >= pit->beginOfBody()) {
308 if (!pit->getLabelWidthString().empty()) {
309 x += font_metrics::width(pit->getLabelWidthString(),
311 x += font_metrics::width(layout->labelsep, labelfont);
317 x += font_metrics::signedWidth(layout->leftmargin, tclass.defaultfont()) * 4
318 / (pit->getDepth() + 4);
321 case MARGIN_FIRST_DYNAMIC:
322 if (layout->labeltype == LABEL_MANUAL) {
323 if (pos >= pit->beginOfBody()) {
324 x += font_metrics::signedWidth(layout->leftmargin,
327 x += font_metrics::signedWidth(layout->labelindent,
331 // Special case to fix problems with
333 || (layout->labeltype == LABEL_STATIC
334 && layout->latextype == LATEX_ENVIRONMENT
335 && !isFirstInSequence(pit, paragraphs()))) {
336 x += font_metrics::signedWidth(layout->leftmargin,
338 } else if (layout->labeltype != LABEL_TOP_ENVIRONMENT
339 && layout->labeltype != LABEL_BIBLIO
340 && layout->labeltype !=
341 LABEL_CENTERED_TOP_ENVIRONMENT) {
342 x += font_metrics::signedWidth(layout->labelindent,
344 x += font_metrics::width(layout->labelsep, labelfont);
345 x += font_metrics::width(pit->getLabelstring(),
350 case MARGIN_RIGHT_ADDRESS_BOX: {
352 // ok, a terrible hack. The left margin depends on the widest
353 // row in this paragraph.
354 RowList::iterator rit = pit->rows.begin();
355 RowList::iterator end = pit->rows.end();
356 #warning This is wrong.
357 int minfill = textwidth_;
358 for ( ; rit != end; ++rit)
359 if (rit->fill() < minfill)
360 minfill = rit->fill();
361 x += font_metrics::signedWidth(layout->leftmargin,
362 tclass.defaultfont());
365 // also wrong, but much shorter.
371 if (!pit->params().leftIndent().zero())
372 x += pit->params().leftIndent().inPixels(textWidth());
376 if (pit->params().align() == LYX_ALIGN_LAYOUT)
377 align = layout->align;
379 align = pit->params().align();
381 // set the correct parindent
383 && (layout->labeltype == LABEL_NO_LABEL
384 || layout->labeltype == LABEL_TOP_ENVIRONMENT
385 || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT
386 || (layout->labeltype == LABEL_STATIC
387 && layout->latextype == LATEX_ENVIRONMENT
388 && !isFirstInSequence(pit, paragraphs())))
389 && align == LYX_ALIGN_BLOCK
390 && !pit->params().noindent()
391 // in tabulars and ert paragraphs are never indented!
393 || !pit->inInset()->owner()
394 || (pit->inInset()->owner()->lyxCode() != InsetOld::TABULAR_CODE
395 && pit->inInset()->owner()->lyxCode() != InsetOld::ERT_CODE))
396 && (pit->layout() != tclass.defaultLayout()
397 || bv()->buffer()->params().paragraph_separation ==
398 BufferParams::PARSEP_INDENT))
400 x += font_metrics::signedWidth(parindent, tclass.defaultfont());
407 int LyXText::rightMargin(Paragraph const & par) const
409 LyXTextClass const & tclass = bv()->buffer()->params().getLyXTextClass();
413 + font_metrics::signedWidth(tclass.rightmargin(),
414 tclass.defaultfont())
415 + font_metrics::signedWidth(par.layout()->rightmargin,
416 tclass.defaultfont())
417 * 4 / (par.getDepth() + 4);
421 int LyXText::labelEnd(ParagraphList::iterator pit) const
423 // labelEnd is only needed if the layout fills a flushleft label.
424 if (pit->layout()->margintype != MARGIN_MANUAL)
426 // return the beginning of the body
427 return leftMargin(pit);
433 // this needs special handling - only newlines count as a break point
434 pos_type addressBreakPoint(pos_type i, Paragraph const & par)
436 pos_type const end = par.size();
439 if (par.isNewline(i))
447 FontIterator::FontIterator(LyXText const & text, ParagraphList::iterator pit,
449 : text_(text), pit_(pit), pos_(pos),
450 font_(text.getFont(pit, pos)),
451 endspan_(pit->getEndPosOfFontSpan(pos)),
452 bodypos_(pit->beginOfBody())
456 LyXFont FontIterator::operator*() const
462 LyXFont * FontIterator::operator->()
468 FontIterator & FontIterator::operator++()
471 if (pos_ > endspan_ || pos_ == bodypos_) {
472 font_ = text_.getFont(pit_, pos_);
473 endspan_ = pit_->getEndPosOfFontSpan(pos_);
479 void LyXText::rowBreakPoint(ParagraphList::iterator pit, Row & row) const
481 pos_type const end = pit->size();
482 pos_type const pos = row.pos();
488 // maximum pixel width of a row
489 int width = textWidth() - rightMargin(*pit); // - leftMargin(pit, row);
495 LyXLayout_ptr const & layout = pit->layout();
497 if (layout->margintype == MARGIN_RIGHT_ADDRESS_BOX) {
498 row.endpos(addressBreakPoint(pos, *pit));
502 pos_type const body_pos = pit->beginOfBody();
505 // Now we iterate through until we reach the right margin
506 // or the end of the par, then choose the possible break
509 int const left = leftMargin(pit, pos);
512 // pixel width since last breakpoint
515 FontIterator fi = FontIterator(*this, pit, pos);
516 pos_type point = end;
518 for ( ; i < end; ++i, ++fi) {
519 if (pit->isNewline(i)) {
525 if (pit->isInset(i + 1) && pit->getInset(i + 1)->display()) {
530 if (pit->isInset(i) && pit->getInset(i)->display()) {
536 char const c = pit->getChar(i);
539 int thiswidth = singleWidth(pit, i, c, *fi);
541 // add the auto-hfill from label end to the body
542 if (body_pos && i == body_pos) {
543 int add = font_metrics::width(layout->labelsep, getLabelFont(pit));
544 if (pit->isLineSeparator(i - 1))
545 add -= singleWidth(pit, i - 1);
547 add = std::max(add, labelEnd(pit) - x);
552 chunkwidth += thiswidth;
555 // break before a character that will fall off
556 // the right of the row
558 // if no break before, break here
559 if (point == end || chunkwidth >= width - left) {
566 // exit on last registered breakpoint:
570 if (!pit->isInset(i) || pit->getInset(i)->isChar()) {
571 // some insets are line separators too
572 if (pit->isLineSeparator(i)) {
573 // register breakpoint:
580 if (i == end && x < width) {
581 // maybe found one, but the par is short enough.
585 // manual labels cannot be broken in LaTeX. But we
586 // want to make our on-screen rendering of footnotes
588 if (body_pos && point < body_pos)
595 void LyXText::setRowWidth(ParagraphList::iterator pit, Row & row) const
597 // get the pure distance
598 pos_type const end = row.endpos();
600 string labelsep = pit->layout()->labelsep;
601 int w = leftMargin(pit, row.pos());
603 pos_type const body_pos = pit->beginOfBody();
604 pos_type i = row.pos();
607 FontIterator fi = FontIterator(*this, pit, i);
608 for ( ; i < end; ++i, ++fi) {
609 if (body_pos > 0 && i == body_pos) {
610 w += font_metrics::width(labelsep, getLabelFont(pit));
611 if (pit->isLineSeparator(i - 1))
612 w -= singleWidth(pit, i - 1);
613 w = max(w, labelEnd(pit));
615 char const c = pit->getChar(i);
616 w += singleWidth(pit, i, c, *fi);
620 if (body_pos > 0 && body_pos >= end) {
621 w += font_metrics::width(labelsep, getLabelFont(pit));
622 if (end > 0 && pit->isLineSeparator(end - 1))
623 w -= singleWidth(pit, end - 1);
624 w = max(w, labelEnd(pit));
627 row.width(w + rightMargin(*pit));
631 // returns the minimum space a manual label needs on the screen in pixel
632 int LyXText::labelFill(ParagraphList::iterator pit, Row const & row) const
634 pos_type last = pit->beginOfBody();
636 BOOST_ASSERT(last > 0);
638 // -1 because a label ends with a space that is in the label
641 // a separator at this end does not count
642 if (pit->isLineSeparator(last))
646 for (pos_type i = row.pos(); i <= last; ++i)
647 w += singleWidth(pit, i);
649 string const & label = pit->params().labelWidthString();
653 return max(0, font_metrics::width(label, getLabelFont(pit)) - w);
657 LColor_color LyXText::backgroundColor() const
659 return LColor_color(LColor::color(background_color_));
663 void LyXText::setHeightOfRow(ParagraphList::iterator pit, Row & row)
665 // get the maximum ascent and the maximum descent
666 double layoutasc = 0;
667 double layoutdesc = 0;
668 double const dh = defaultRowHeight();
670 // ok, let us initialize the maxasc and maxdesc value.
671 // Only the fontsize count. The other properties
672 // are taken from the layoutfont. Nicer on the screen :)
673 LyXLayout_ptr const & layout = pit->layout();
675 // as max get the first character of this row then it can
676 // increase but not decrease the height. Just some point to
677 // start with so we don't have to do the assignment below too
679 LyXFont font = getFont(pit, row.pos());
680 LyXFont::FONT_SIZE const tmpsize = font.size();
681 font = getLayoutFont(pit);
682 LyXFont::FONT_SIZE const size = font.size();
683 font.setSize(tmpsize);
685 LyXFont labelfont = getLabelFont(pit);
687 // these are minimum values
688 double const spacing_val = layout->spacing.getValue() * spacing(*pit);
689 //lyxerr << "spacing_val = " << spacing_val << endl;
690 int maxasc = int(font_metrics::maxAscent(font) * spacing_val);
691 int maxdesc = int(font_metrics::maxDescent(font) * spacing_val);
693 // insets may be taller
694 InsetList::iterator ii = pit->insetlist.begin();
695 InsetList::iterator iend = pit->insetlist.end();
696 for ( ; ii != iend; ++ii) {
697 if (ii->pos >= row.pos() && ii->pos < row.endpos()) {
698 maxasc = max(maxasc, ii->inset->ascent());
699 maxdesc = max(maxdesc, ii->inset->descent());
703 // Check if any custom fonts are larger (Asger)
704 // This is not completely correct, but we can live with the small,
705 // cosmetic error for now.
707 pos_type const pos_end = row.endpos();
709 LyXFont::FONT_SIZE maxsize =
710 pit->highestFontInRange(row.pos(), pos_end, size);
711 if (maxsize > font.size()) {
712 font.setSize(maxsize);
713 maxasc = max(maxasc, font_metrics::maxAscent(font));
714 maxdesc = max(maxdesc, font_metrics::maxDescent(font));
717 // This is nicer with box insets:
721 row.ascent_of_text(maxasc);
724 if (row.pos() == 0) {
725 BufferParams const & bufparams = bv()->buffer()->params();
726 // some parksips VERY EASY IMPLEMENTATION
727 if (bv()->buffer()->params().paragraph_separation
728 == BufferParams::PARSEP_SKIP
729 && pit != paragraphs().begin()
730 && ((layout->isParagraph() && pit->getDepth() == 0)
731 || (boost::prior(pit)->layout()->isParagraph()
732 && boost::prior(pit)->getDepth() == 0)))
734 maxasc += bufparams.getDefSkip().inPixels(*bv());
737 if (pit->params().startOfAppendix())
738 maxasc += int(3 * dh);
740 // This is special code for the chapter, since the label of this
741 // layout is printed in an extra row
742 if (layout->counter == "chapter" && bufparams.secnumdepth >= 0) {
743 labeladdon = int(font_metrics::maxHeight(labelfont)
744 * layout->spacing.getValue() * spacing(*pit));
747 // special code for the top label
748 if ((layout->labeltype == LABEL_TOP_ENVIRONMENT
749 || layout->labeltype == LABEL_BIBLIO
750 || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)
751 && isFirstInSequence(pit, paragraphs())
752 && !pit->getLabelstring().empty())
755 font_metrics::maxHeight(labelfont)
756 * layout->spacing.getValue()
758 + (layout->topsep + layout->labelbottomsep) * dh);
761 // Add the layout spaces, for example before and after
762 // a section, or between the items of a itemize or enumerate
765 ParagraphList::iterator prev =
766 depthHook(pit, paragraphs(), pit->getDepth());
768 && prev->layout() == layout
769 && prev->getDepth() == pit->getDepth()
770 && prev->getLabelWidthString() == pit->getLabelWidthString())
772 layoutasc = layout->itemsep * dh;
773 } else if (pit != paragraphs().begin() || row.pos() != 0) {
774 if (layout->topsep > 0)
775 layoutasc = layout->topsep * dh;
778 prev = outerHook(pit, paragraphs());
779 if (prev != paragraphs().end()) {
780 maxasc += int(prev->layout()->parsep * dh);
781 } else if (pit != paragraphs().begin()) {
782 ParagraphList::iterator prior_pit = boost::prior(pit);
783 if (prior_pit->getDepth() != 0 ||
784 prior_pit->layout() == layout) {
785 maxasc += int(layout->parsep * dh);
790 // is it a bottom line?
791 if (row.endpos() >= pit->size()) {
792 // add the layout spaces, for example before and after
793 // a section, or between the items of a itemize or enumerate
795 ParagraphList::iterator nextpit = boost::next(pit);
796 if (nextpit != paragraphs().end()) {
797 ParagraphList::iterator cpit = pit;
801 if (cpit->getDepth() > nextpit->getDepth()) {
802 usual = cpit->layout()->bottomsep * dh;
803 cpit = depthHook(cpit, paragraphs(), nextpit->getDepth());
804 if (cpit->layout() != nextpit->layout()
805 || nextpit->getLabelWidthString() != cpit->getLabelWidthString())
807 unusual = cpit->layout()->bottomsep * dh;
809 layoutdesc = max(unusual, usual);
810 } else if (cpit->getDepth() == nextpit->getDepth()) {
811 if (cpit->layout() != nextpit->layout()
812 || nextpit->getLabelWidthString() != cpit->getLabelWidthString())
813 layoutdesc = int(cpit->layout()->bottomsep * dh);
818 // incalculate the layout spaces
819 maxasc += int(layoutasc * 2 / (2 + pit->getDepth()));
820 maxdesc += int(layoutdesc * 2 / (2 + pit->getDepth()));
822 row.height(maxasc + maxdesc + labeladdon);
823 row.baseline(maxasc + labeladdon);
824 row.top_of_text(row.baseline() - font_metrics::maxAscent(font));
828 void LyXText::breakParagraph(LCursor & cur, char keep_layout)
830 BOOST_ASSERT(this == cur.text());
831 // allow only if at start or end, or all previous is new text
832 Paragraph & cpar = cur.paragraph();
833 ParagraphList::iterator cpit = getPar(cur.par());
835 if (cur.pos() != 0 && cur.pos() != cur.lastpos()
836 && cpar.isChangeEdited(0, cur.pos()))
839 LyXTextClass const & tclass =
840 bv()->buffer()->params().getLyXTextClass();
841 LyXLayout_ptr const & layout = cpar.layout();
843 // this is only allowed, if the current paragraph is not empty
844 // or caption and if it has not the keepempty flag active
845 if (cur.lastpos() == 0 && !cpar.allowEmpty()
846 && layout->labeltype != LABEL_SENSITIVE)
849 // a layout change may affect also the following paragraph
850 recUndo(cur.par(), parOffset(undoSpan(cpit)) - 1);
852 // Always break behind a space
853 // It is better to erase the space (Dekel)
854 if (cur.pos() != cur.lastpos() && cpar.isLineSeparator(cur.pos()))
855 cpar.erase(cur.pos());
857 // break the paragraph
861 keep_layout = layout->isEnvironment();
863 // we need to set this before we insert the paragraph. IMO the
864 // breakParagraph call should return a bool if it inserts the
865 // paragraph before or behind and we should react on that one
866 // but we can fix this in 1.3.0 (Jug 20020509)
867 bool const isempty = cpar.allowEmpty() && cpar.empty();
868 ::breakParagraph(bv()->buffer()->params(), paragraphs(), cpit,
869 cur.pos(), keep_layout);
871 cpit = getPar(cur.par());
872 ParagraphList::iterator next_par = boost::next(cpit);
874 // well this is the caption hack since one caption is really enough
875 if (layout->labeltype == LABEL_SENSITIVE) {
877 // set to standard-layout
878 cpit->applyLayout(tclass.defaultLayout());
880 // set to standard-layout
881 next_par->applyLayout(tclass.defaultLayout());
884 // if the cursor is at the beginning of a row without prior newline,
886 // This touches only the screen-update. Otherwise we would may have
887 // an empty row on the screen
888 if (cur.pos() != 0 && cur.textRow().pos() == cur.pos()
889 && !cpit->isNewline(cur.pos() - 1))
894 while (!next_par->empty() && next_par->isNewline(0))
899 redoParagraph(next_par);
901 // This check is necessary. Otherwise the new empty paragraph will
902 // be deleted automatically. And it is more friendly for the user!
903 if (cur.pos() != 0 || isempty)
904 setCursor(cur, cur.par() + 1, 0);
906 setCursor(cur, cur.par(), 0);
910 // convenience function
911 void LyXText::redoParagraph(LCursor & cur)
913 BOOST_ASSERT(this == cur.text());
914 cur.clearSelection();
915 redoParagraph(getPar(cur.par()));
916 setCursorIntern(cur, cur.par(), cur.pos());
920 // insert a character, moves all the following breaks in the
921 // same Paragraph one to the right and make a rebreak
922 void LyXText::insertChar(LCursor & cur, char c)
924 BOOST_ASSERT(this == cur.text());
925 recordUndo(cur, Undo::INSERT);
927 Paragraph & par = cur.paragraph();
928 // try to remove this
929 ParagraphList::iterator pit = getPar(cur.par());
931 bool const freeSpacing = par.layout()->free_spacing ||
934 if (lyxrc.auto_number) {
935 static string const number_operators = "+-/*";
936 static string const number_unary_operators = "+-";
937 static string const number_seperators = ".,:";
939 if (current_font.number() == LyXFont::ON) {
940 if (!IsDigit(c) && !contains(number_operators, c) &&
941 !(contains(number_seperators, c) &&
943 cur.pos() != cur.lastpos() &&
944 getFont(pit, cur.pos()).number() == LyXFont::ON &&
945 getFont(pit, cur.pos() - 1).number() == LyXFont::ON)
947 number(cur); // Set current_font.number to OFF
948 } else if (IsDigit(c) &&
949 real_current_font.isVisibleRightToLeft()) {
950 number(cur); // Set current_font.number to ON
952 if (cur.pos() != 0) {
953 char const c = par.getChar(cur.pos() - 1);
954 if (contains(number_unary_operators, c) &&
956 || par.isSeparator(cur.pos() - 2)
957 || par.isNewline(cur.pos() - 2))
959 setCharFont(pit, cur.pos() - 1, current_font);
960 } else if (contains(number_seperators, c)
962 && getFont(pit, cur.pos() - 2).number() == LyXFont::ON) {
963 setCharFont(pit, cur.pos() - 1, current_font);
969 // First check, if there will be two blanks together or a blank at
970 // the beginning of a paragraph.
971 // I decided to handle blanks like normal characters, the main
972 // difference are the special checks when calculating the row.fill
973 // (blank does not count at the end of a row) and the check here
975 // The bug is triggered when we type in a description environment:
976 // The current_font is not changed when we go from label to main text
977 // and it should (along with realtmpfont) when we type the space.
978 // CHECK There is a bug here! (Asger)
980 // store the current font. This is because of the use of cursor
981 // movements. The moving cursor would refresh the current font
982 LyXFont realtmpfont = real_current_font;
983 LyXFont rawtmpfont = current_font;
985 // When the free-spacing option is set for the current layout,
986 // disable the double-space checking
987 if (!freeSpacing && IsLineSeparatorChar(c)) {
988 if (cur.pos() == 0) {
989 static bool sent_space_message = false;
990 if (!sent_space_message) {
991 cur.message(_("You cannot insert a space at the "
992 "beginning of a paragraph. Please read the Tutorial."));
993 sent_space_message = true;
997 BOOST_ASSERT(cur.pos() > 0);
998 if (par.isLineSeparator(cur.pos() - 1)
999 || par.isNewline(cur.pos() - 1)) {
1000 static bool sent_space_message = false;
1001 if (!sent_space_message) {
1002 cur.message(_("You cannot type two spaces this way. "
1003 "Please read the Tutorial."));
1004 sent_space_message = true;
1010 // Here case LyXText::InsertInset already inserted the character
1011 if (c != Paragraph::META_INSET)
1012 par.insertChar(cur.pos(), c);
1014 setCharFont(pit, cur.pos(), rawtmpfont);
1016 current_font = rawtmpfont;
1017 real_current_font = realtmpfont;
1019 setCursor(cur, cur.par(), cur.pos() + 1, false, cur.boundary());
1024 void LyXText::charInserted()
1026 // Here we call finishUndo for every 20 characters inserted.
1027 // This is from my experience how emacs does it. (Lgb)
1028 static unsigned int counter;
1038 void LyXText::prepareToPrint(ParagraphList::iterator pit, Row & row) const
1040 double w = textWidth() - row.width();
1041 double fill_hfill = 0;
1042 double fill_label_hfill = 0;
1043 double fill_separator = 0;
1046 bool const is_rtl = isRTL(*pit);
1048 x = rightMargin(*pit);
1050 x = leftMargin(pit, row.pos());
1052 // is there a manual margin with a manual label
1053 LyXLayout_ptr const & layout = pit->layout();
1055 if (layout->margintype == MARGIN_MANUAL
1056 && layout->labeltype == LABEL_MANUAL) {
1057 /// We might have real hfills in the label part
1058 int nlh = numberOfLabelHfills(*pit, row);
1060 // A manual label par (e.g. List) has an auto-hfill
1061 // between the label text and the body of the
1063 // But we don't want to do this auto hfill if the par
1068 if (nlh && !pit->getLabelWidthString().empty())
1069 fill_label_hfill = labelFill(pit, row) / double(nlh);
1072 // are there any hfills in the row?
1073 int const nh = numberOfHfills(*pit, row);
1077 fill_hfill = w / nh;
1078 // we don't have to look at the alignment if it is ALIGN_LEFT and
1079 // if the row is already larger then the permitted width as then
1080 // we force the LEFT_ALIGN'edness!
1081 } else if (int(row.width()) < textWidth()) {
1082 // is it block, flushleft or flushright?
1083 // set x how you need it
1085 if (pit->params().align() == LYX_ALIGN_LAYOUT)
1086 align = layout->align;
1088 align = pit->params().align();
1090 // Display-style insets should always be on a centred row
1091 // The test on pit->size() is to catch zero-size pars, which
1092 // would trigger the assert in Paragraph::getInset().
1093 //inset = pit->size() ? pit->getInset(row.pos()) : 0;
1095 && pit->isInset(row.pos())
1096 && pit->getInset(row.pos())->display())
1098 align = LYX_ALIGN_CENTER;
1102 case LYX_ALIGN_BLOCK: {
1103 int const ns = numberOfSeparators(*pit, row);
1104 bool disp_inset = false;
1105 if (row.endpos() < pit->size()) {
1106 InsetBase * in = pit->getInset(row.endpos());
1108 disp_inset = in->display();
1110 // If we have separators, this is not the last row of a
1111 // par, does not end in newline, and is not row above a
1112 // display inset... then stretch it
1114 && row.endpos() < pit->size()
1115 && !pit->isNewline(row.endpos() - 1)
1118 fill_separator = w / ns;
1119 } else if (is_rtl) {
1124 case LYX_ALIGN_RIGHT:
1127 case LYX_ALIGN_CENTER:
1133 bidi.computeTables(*pit, *bv()->buffer(), row);
1135 pos_type body_pos = pit->beginOfBody();
1136 pos_type end = row.endpos();
1139 && (body_pos > end || !pit->isLineSeparator(body_pos - 1)))
1141 x += font_metrics::width(layout->labelsep, getLabelFont(pit));
1142 if (body_pos <= end)
1143 x += fill_label_hfill;
1147 row.fill_hfill(fill_hfill);
1148 row.fill_label_hfill(fill_label_hfill);
1149 row.fill_separator(fill_separator);
1154 // the cursor set functions have a special mechanism. When they
1155 // realize, that you left an empty paragraph, they will delete it.
1157 void LyXText::cursorRightOneWord(LCursor & cur)
1159 BOOST_ASSERT(this == cur.text());
1160 if (cur.pos() == cur.lastpos() && cur.par() != cur.lastpar()) {
1164 // Skip through initial nonword stuff.
1165 // Treat floats and insets as words.
1166 while (cur.pos() != cur.lastpos() && !cur.paragraph().isWord(cur.pos()))
1168 // Advance through word.
1169 while (cur.pos() != cur.lastpos() && cur.paragraph().isWord(cur.pos()))
1172 setCursor(cur, cur.par(), cur.pos());
1176 void LyXText::cursorLeftOneWord(LCursor & cur)
1178 BOOST_ASSERT(this == cur.text());
1179 if (cur.pos() == 0 && cur.par() != 0) {
1181 cur.pos() = cur.lastpos();
1183 // Skip through initial nonword stuff.
1184 // Treat floats and insets as words.
1185 while (cur.pos() != 0 && !cur.paragraph().isWord(cur.pos() - 1))
1187 // Advance through word.
1188 while (cur.pos() != 0 && cur.paragraph().isWord(cur.pos() - 1))
1191 setCursor(cur, cur.par(), cur.pos());
1195 void LyXText::selectWord(LCursor & cur, word_location loc)
1197 BOOST_ASSERT(this == cur.text());
1198 CursorSlice from = cur.current();
1199 CursorSlice to = cur.current();
1200 getWord(from, to, loc);
1201 if (cur.current() != from)
1202 setCursor(cur, from.par(), from.pos());
1206 setCursor(cur, to.par(), to.pos());
1211 // Select the word currently under the cursor when no
1212 // selection is currently set
1213 bool LyXText::selectWordWhenUnderCursor(LCursor & cur, word_location loc)
1215 BOOST_ASSERT(this == cur.text());
1216 if (cur.selection())
1218 selectWord(cur, loc);
1219 return cur.selection();
1223 void LyXText::acceptChange(LCursor & cur)
1225 BOOST_ASSERT(this == cur.text());
1226 if (!cur.selection() && cur.lastpos() != 0)
1229 CursorSlice const & startc = cur.selBegin();
1230 CursorSlice const & endc = cur.selEnd();
1231 if (startc.par() == endc.par()) {
1232 recordUndoSelection(cur, Undo::INSERT);
1233 getPar(startc)->acceptChange(startc.pos(), endc.pos());
1235 cur.clearSelection();
1236 redoParagraph(getPar(startc));
1237 setCursorIntern(cur, startc.par(), 0);
1239 #warning handle multi par selection
1243 void LyXText::rejectChange(LCursor & cur)
1245 BOOST_ASSERT(this == cur.text());
1246 if (!cur.selection() && cur.lastpos() != 0)
1249 CursorSlice const & startc = cur.selBegin();
1250 CursorSlice const & endc = cur.selEnd();
1251 if (startc.par() == endc.par()) {
1252 recordUndoSelection(cur, Undo::INSERT);
1253 getPar(startc)->rejectChange(startc.pos(), endc.pos());
1255 cur.clearSelection();
1256 redoParagraph(getPar(startc));
1257 setCursorIntern(cur, startc.par(), 0);
1259 #warning handle multi par selection
1263 // Delete from cursor up to the end of the current or next word.
1264 void LyXText::deleteWordForward(LCursor & cur)
1266 BOOST_ASSERT(this == cur.text());
1267 if (cur.lastpos() == 0)
1271 cur.selection() = true;
1272 cursorRightOneWord(cur);
1274 cutSelection(cur, true, false);
1279 // Delete from cursor to start of current or prior word.
1280 void LyXText::deleteWordBackward(LCursor & cur)
1282 BOOST_ASSERT(this == cur.text());
1283 if (cur.lastpos() == 0)
1287 cur.selection() = true;
1288 cursorLeftOneWord(cur);
1290 cutSelection(cur, true, false);
1295 // Kill to end of line.
1296 void LyXText::deleteLineForward(LCursor & cur)
1298 BOOST_ASSERT(this == cur.text());
1299 if (cur.lastpos() == 0) {
1300 // Paragraph is empty, so we just go to the right
1304 cur.selection() = true; // to avoid deletion
1307 // What is this test for ??? (JMarc)
1308 if (!cur.selection())
1309 deleteWordForward(cur);
1311 cutSelection(cur, true, false);
1316 void LyXText::changeCase(LCursor & cur, LyXText::TextCase action)
1318 BOOST_ASSERT(this == cur.text());
1322 if (cur.selection()) {
1323 from = cur.selBegin();
1327 getWord(from, to, lyx::PARTIAL_WORD);
1328 setCursor(cur, to.par(), to.pos() + 1);
1331 recordUndoSelection(cur);
1333 pos_type pos = from.pos();
1334 int par = from.par();
1336 while (par != int(paragraphs().size()) &&
1337 (pos != to.pos() || par != to.par())) {
1338 ParagraphList::iterator pit = getPar(par);
1339 if (pos == pit->size()) {
1344 unsigned char c = pit->getChar(pos);
1345 if (c != Paragraph::META_INSET) {
1347 case text_lowercase:
1350 case text_capitalization:
1352 action = text_lowercase;
1354 case text_uppercase:
1360 pit->setChar(pos, c);
1366 void LyXText::Delete(LCursor & cur)
1368 BOOST_ASSERT(this == cur.text());
1369 // just move to the right, if we had success make a backspace
1370 CursorSlice sl = cur.current();
1372 if (sl == cur.current()) {
1373 recordUndo(cur, Undo::DELETE, cur.par(), max(0, cur.par() - 1));
1379 void LyXText::backspace(LCursor & cur)
1381 BOOST_ASSERT(this == cur.text());
1382 if (cur.pos() == 0) {
1383 // The cursor is at the beginning of a paragraph, so
1384 // the the backspace will collapse two paragraphs into
1387 // but it's not allowed unless it's new
1388 Paragraph & par = cur.paragraph();
1389 if (par.isChangeEdited(0, par.size()))
1392 // we may paste some paragraphs
1394 // is it an empty paragraph?
1395 pos_type lastpos = cur.lastpos();
1396 if (lastpos == 0 || (lastpos == 1 && par.isSeparator(0))) {
1397 // This is an empty paragraph and we delete it just
1398 // by moving the cursor one step
1399 // left and let the DeleteEmptyParagraphMechanism
1400 // handle the actual deletion of the paragraph.
1402 if (cur.par() != 0) {
1404 // the layout things can change the height of a row !
1411 recordUndo(cur, Undo::DELETE, cur.par() - 1);
1413 ParagraphList::iterator tmppit = getPar(cur.par());
1414 // We used to do cursorLeftIntern() here, but it is
1415 // not a good idea since it triggers the auto-delete
1416 // mechanism. So we do a cursorLeftIntern()-lite,
1417 // without the dreaded mechanism. (JMarc)
1418 if (cur.par() != 0) {
1419 // steps into the above paragraph.
1420 setCursorIntern(cur, cur.par() - 1,
1421 getPar(cur.par() - 1)->size(),
1425 // Pasting is not allowed, if the paragraphs have different
1426 // layout. I think it is a real bug of all other
1427 // word processors to allow it. It confuses the user.
1428 // Correction: Pasting is always allowed with standard-layout
1429 Buffer & buf = *bv()->buffer();
1430 BufferParams const & bufparams = buf.params();
1431 LyXTextClass const & tclass = bufparams.getLyXTextClass();
1432 ParagraphList::iterator const cpit = getPar(cur.par());
1435 && (cpit->layout() == tmppit->layout()
1436 || tmppit->layout() == tclass.defaultLayout())
1437 && cpit->getAlign() == tmppit->getAlign()) {
1438 mergeParagraph(bufparams, buf.paragraphs(), cpit);
1440 if (cur.pos() != 0 && cpit->isSeparator(cur.pos() - 1))
1443 // the counters may have changed
1445 setCursor(cur, cur.par(), cur.pos(), false);
1448 // this is the code for a normal backspace, not pasting
1450 recordUndo(cur, Undo::DELETE);
1451 // We used to do cursorLeftIntern() here, but it is
1452 // not a good idea since it triggers the auto-delete
1453 // mechanism. So we do a cursorLeftIntern()-lite,
1454 // without the dreaded mechanism. (JMarc)
1455 setCursorIntern(cur, cur.par(), cur.pos() - 1,
1456 false, cur.boundary());
1457 cur.paragraph().erase(cur.pos());
1460 if (cur.pos() == cur.lastpos())
1461 setCurrentFont(cur);
1464 setCursor(cur, cur.par(), cur.pos(), false, cur.boundary());
1468 ParagraphList::iterator LyXText::cursorPar() const
1470 //lyxerr << "### cursorPar: cursor: " << bv()->cursor() << endl;
1471 //lyxerr << "xxx cursorPar: cursor: " << cursor() << endl;
1472 return getPar(cursor().par());
1476 ParagraphList::iterator LyXText::getPar(CursorSlice const & cur) const
1478 return getPar(cur.par());
1482 ParagraphList::iterator LyXText::getPar(int par) const
1484 //lyxerr << "getPar: " << par << " from " << paragraphs().size() << endl;
1485 BOOST_ASSERT(par >= 0);
1486 BOOST_ASSERT(par < int(paragraphs().size()));
1487 ParagraphList::iterator pit = paragraphs().begin();
1493 // y is relative to this LyXText's top
1495 LyXText::getRowNearY(int y, ParagraphList::iterator & pit) const
1497 BOOST_ASSERT(!paragraphs().empty());
1498 BOOST_ASSERT(!paragraphs().begin()->rows.empty());
1500 ParagraphList::iterator const
1501 pend = boost::prior(paragraphs().end());
1502 pit = paragraphs().begin();
1503 while (int(pit->y + pit->height) < y && pit != pend)
1506 RowList::iterator rit = pit->rows.end();
1507 RowList::iterator const rbegin = pit->rows.begin();
1510 } while (rit != rbegin && int(pit->y + rit->y_offset()) > y);
1514 pit = boost::prior(paragraphs().end());
1516 RowList::iterator rit = lastRow();
1517 RowList::iterator rbegin = firstRow();
1519 while (rit != rbegin && int(pit->y + rit->y_offset()) > y)
1520 previousRow(pit, rit);
1527 int LyXText::getDepth() const
1529 return cursorPar()->getDepth();
1533 RowList::iterator LyXText::firstRow() const
1535 return paragraphs().front().rows.begin();
1539 RowList::iterator LyXText::lastRow() const
1541 return boost::prior(endRow());
1545 RowList::iterator LyXText::endRow() const
1547 return paragraphs().back().rows.end();
1551 void LyXText::nextRow(ParagraphList::iterator & pit,
1552 RowList::iterator & rit) const
1555 if (rit == pit->rows.end()) {
1557 if (pit == paragraphs().end())
1560 rit = pit->rows.begin();
1565 void LyXText::previousRow(ParagraphList::iterator & pit,
1566 RowList::iterator & rit) const
1568 if (rit != pit->rows.begin())
1571 BOOST_ASSERT(pit != paragraphs().begin());
1573 rit = boost::prior(pit->rows.end());
1578 int LyXText::parOffset(ParagraphList::iterator pit) const
1580 return distance(paragraphs().begin(), pit);
1584 void LyXText::redoParagraphInternal(ParagraphList::iterator pit)
1586 // remove rows of paragraph, keep track of height changes
1587 height -= pit->height;
1595 InsetList::iterator ii = pit->insetlist.begin();
1596 InsetList::iterator iend = pit->insetlist.end();
1597 for (; ii != iend; ++ii) {
1599 int const w = textWidth() - leftMargin(pit) - rightMargin(*pit);
1600 MetricsInfo mi(bv(), getFont(pit, ii->pos), w);
1601 ii->inset->metrics(mi, dim);
1604 // rebreak the paragraph
1605 pit->setBeginOfBody();
1609 rowBreakPoint(pit, row);
1610 setRowWidth(pit, row);
1611 prepareToPrint(pit, row);
1612 setHeightOfRow(pit, row);
1613 row.y_offset(pit->height);
1614 pit->rows.push_back(row);
1615 pit->width = std::max(pit->width, row.width());
1616 pit->height += row.height();
1618 } while (z < pit->size());
1620 height += pit->height;
1621 //lyxerr << "redoParagraph: " << pit->rows.size() << " rows\n";
1625 void LyXText::redoParagraphs(ParagraphList::iterator pit,
1626 ParagraphList::iterator end)
1628 for ( ; pit != end; ++pit)
1629 redoParagraphInternal(pit);
1630 updateParPositions();
1634 void LyXText::redoParagraph(ParagraphList::iterator pit)
1636 redoParagraphInternal(pit);
1637 updateParPositions();
1641 void LyXText::fullRebreak()
1643 redoParagraphs(paragraphs().begin(), paragraphs().end());
1644 bv()->cursor().resetAnchor();
1648 void LyXText::metrics(MetricsInfo & mi, Dimension & dim)
1650 //BOOST_ASSERT(mi.base.textwidth);
1651 if (mi.base.textwidth)
1652 textwidth_ = mi.base.textwidth;
1653 //lyxerr << "LyXText::metrics: width: " << mi.base.textwidth
1654 // << " textWidth: " << textWidth() << "\nfont: " << mi.base.font << endl;
1656 // Rebuild row cache. This recomputes height as well.
1657 redoParagraphs(paragraphs().begin(), paragraphs().end());
1659 width = maxParagraphWidth(paragraphs());
1662 dim.asc = firstRow()->ascent_of_text();
1663 dim.des = height - dim.asc;
1668 // only used for inset right now. should also be used for main text
1669 void LyXText::draw(PainterInfo & pi, int x, int y) const
1673 paintTextInset(*this, pi, x, y);
1677 // only used for inset right now. should also be used for main text
1678 void LyXText::drawSelection(PainterInfo &, int, int) const
1680 //lyxerr << "LyXText::drawSelection at " << x << " " << y << endl;
1684 bool LyXText::isLastRow(ParagraphList::iterator pit, Row const & row) const
1686 return row.endpos() >= pit->size()
1687 && boost::next(pit) == paragraphs().end();
1691 bool LyXText::isFirstRow(ParagraphList::iterator pit, Row const & row) const
1693 return row.pos() == 0 && pit == paragraphs().begin();
1697 void LyXText::getWord(CursorSlice & from, CursorSlice & to,
1698 word_location const loc)
1700 Paragraph & from_par = *getPar(from);
1702 case lyx::WHOLE_WORD_STRICT:
1703 if (from.pos() == 0 || from.pos() == from_par.size()
1704 || from_par.isSeparator(from.pos())
1705 || from_par.isKomma(from.pos())
1706 || from_par.isNewline(from.pos())
1707 || from_par.isSeparator(from.pos() - 1)
1708 || from_par.isKomma(from.pos() - 1)
1709 || from_par.isNewline(from.pos() - 1)) {
1713 // no break here, we go to the next
1715 case lyx::WHOLE_WORD:
1716 // Move cursor to the beginning, when not already there.
1717 if (from.pos() && !from_par.isSeparator(from.pos() - 1)
1718 && !(from_par.isKomma(from.pos() - 1)
1719 || from_par.isNewline(from.pos() - 1)))
1720 cursorLeftOneWord(bv()->cursor());
1722 case lyx::PREVIOUS_WORD:
1723 // always move the cursor to the beginning of previous word
1724 cursorLeftOneWord(bv()->cursor());
1726 case lyx::NEXT_WORD:
1727 lyxerr << "LyXText::getWord: NEXT_WORD not implemented yet"
1730 case lyx::PARTIAL_WORD:
1734 Paragraph & to_par = *getPar(to);
1735 while (to.pos() < to_par.size()
1736 && !to_par.isSeparator(to.pos())
1737 && !to_par.isKomma(to.pos())
1738 && !to_par.isNewline(to.pos())
1739 && !to_par.isHfill(to.pos())
1740 && !to_par.isInset(to.pos()))
1747 void LyXText::write(Buffer const & buf, std::ostream & os) const
1749 ParagraphList::const_iterator pit = paragraphs().begin();
1750 ParagraphList::const_iterator end = paragraphs().end();
1751 Paragraph::depth_type dth = 0;
1752 for (; pit != end; ++pit)
1753 pit->write(buf, os, buf.params(), dth);
1757 bool LyXText::read(Buffer const & buf, LyXLex & lex)
1759 static Change current_change;
1761 bool the_end_read = false;
1762 ParagraphList::iterator pit = paragraphs().begin();
1763 Paragraph::depth_type depth = 0;
1765 while (lex.isOK()) {
1767 string token = lex.getString();
1774 if (token == "\\end_inset") {
1775 the_end_read = true;
1779 if (token == "\\end_document") {
1780 lex.printError("\\end_document read in inset! Error in document!");
1786 if (token == "\\end_document") {
1787 the_end_read = true;
1796 if (token == "\\begin_layout") {
1797 lex.pushToken(token);
1800 par.params().depth(depth);
1801 if (buf.params().tracking_changes)
1803 LyXFont f(LyXFont::ALL_INHERIT, buf.params().language);
1807 if (pit != paragraphs().end())
1810 pit = paragraphs().insert(pit, par);
1812 // FIXME: goddamn InsetTabular makes us pass a Buffer
1814 ::readParagraph(buf, *pit, lex);
1816 } else if (token == "\\begin_deeper") {
1818 } else if (token == "\\end_deeper") {
1820 lex.printError("\\end_deeper: " "depth is already null");
1829 return the_end_read;
1833 int LyXText::ascent() const
1835 return firstRow()->ascent_of_text();
1839 int LyXText::descent() const
1841 return height - firstRow()->ascent_of_text();
1845 int LyXText::cursorX(CursorSlice const & cur) const
1847 ParagraphList::iterator pit = getPar(cur);
1848 if (pit->rows.empty())
1850 Row const & row = *pit->getRow(cur.pos());
1851 pos_type pos = cur.pos();
1852 pos_type cursor_vpos = 0;
1854 double fill_separator = row.fill_separator();
1855 double fill_hfill = row.fill_hfill();
1856 double fill_label_hfill = row.fill_label_hfill();
1857 pos_type const row_pos = row.pos();
1858 pos_type const end = row.endpos();
1861 cursor_vpos = row_pos;
1862 else if (pos >= end)
1863 cursor_vpos = isRTL(*pit) ? row_pos : end;
1864 else if (pos > row_pos && pos >= end)
1865 // Place cursor after char at (logical) position pos - 1
1866 cursor_vpos = (bidi.level(pos - 1) % 2 == 0)
1867 ? bidi.log2vis(pos - 1) + 1 : bidi.log2vis(pos - 1);
1869 // Place cursor before char at (logical) position pos
1870 cursor_vpos = (bidi.level(pos) % 2 == 0)
1871 ? bidi.log2vis(pos) : bidi.log2vis(pos) + 1;
1873 pos_type body_pos = pit->beginOfBody();
1875 (body_pos > end || !pit->isLineSeparator(body_pos - 1)))
1878 for (pos_type vpos = row_pos; vpos < cursor_vpos; ++vpos) {
1879 pos_type pos = bidi.vis2log(vpos);
1880 if (body_pos > 0 && pos == body_pos - 1) {
1881 x += fill_label_hfill
1882 + font_metrics::width(pit->layout()->labelsep,
1884 if (pit->isLineSeparator(body_pos - 1))
1885 x -= singleWidth(pit, body_pos - 1);
1888 if (hfillExpansion(*pit, row, pos)) {
1889 x += singleWidth(pit, pos);
1890 if (pos >= body_pos)
1893 x += fill_label_hfill;
1894 } else if (pit->isSeparator(pos)) {
1895 x += singleWidth(pit, pos);
1896 if (pos >= body_pos)
1897 x += fill_separator;
1899 x += singleWidth(pit, pos);
1901 return xo_ + int(x);
1905 int LyXText::cursorY(CursorSlice const & cur) const
1907 Paragraph & par = *getPar(cur);
1908 Row & row = *par.getRow(cur.pos());
1909 return yo_ + par.y + row.y_offset() + row.baseline();
1913 CursorSlice & LyXText::cursor()
1915 //lyxerr << "# accessing slice " << findText(this) << endl;
1916 if (this != bv()->cursor().text()) {
1917 lyxerr << "cursor: " << bv()->cursor()
1918 << "\ntext: " << bv()->cursor().text()
1919 << "\nthis: " << this << endl;
1920 BOOST_ASSERT(false);
1922 return bv()->cursor().current();
1926 CursorSlice const & LyXText::cursor() const
1928 if (this != bv()->cursor().text()) {
1929 lyxerr << "cursor: " << bv()->cursor()
1930 << "\ntext: " << bv()->cursor().text()
1931 << "\nthis: " << this << endl;
1932 BOOST_ASSERT(false);
1934 return bv()->cursor().current();
1938 void LyXText::replaceSelection(LCursor & cur)
1940 BOOST_ASSERT(this == cur.text());
1941 if (cur.selection()) {
1942 cutSelection(cur, true, false);
1948 // Returns the current font and depth as a message.
1949 string LyXText::currentState(LCursor & cur)
1951 BOOST_ASSERT(this == cur.text());
1952 Buffer * buffer = bv()->buffer();
1953 Paragraph const & par = cur.paragraph();
1954 std::ostringstream os;
1956 bool const show_change = buffer->params().tracking_changes
1957 && cur.pos() != cur.lastpos()
1958 && par.lookupChange(cur.pos()) != Change::UNCHANGED;
1961 Change change = par.lookupChangeFull(cur.pos());
1962 Author const & a = buffer->params().authors().get(change.author);
1963 os << _("Change: ") << a.name();
1964 if (!a.email().empty())
1965 os << " (" << a.email() << ")";
1966 if (change.changetime)
1967 os << _(" at ") << ctime(&change.changetime);
1971 // I think we should only show changes from the default
1973 LyXFont font = real_current_font;
1974 font.reduce(buffer->params().getLyXTextClass().defaultfont());
1976 // avoid _(...) re-entrance problem
1977 string const s = font.stateText(&buffer->params());
1978 os << bformat(_("Font: %1$s"), s);
1980 // os << bformat(_("Font: %1$s"), font.stateText(&buffer->params));
1982 // The paragraph depth
1983 int depth = getDepth();
1985 os << bformat(_(", Depth: %1$s"), tostr(depth));
1987 // The paragraph spacing, but only if different from
1989 Spacing const & spacing = par.params().spacing();
1990 if (!spacing.isDefault()) {
1991 os << _(", Spacing: ");
1992 switch (spacing.getSpace()) {
1993 case Spacing::Single:
1996 case Spacing::Onehalf:
1999 case Spacing::Double:
2002 case Spacing::Other:
2003 os << _("Other (") << spacing.getValue() << ')';
2005 case Spacing::Default:
2006 // should never happen, do nothing
2010 #ifdef DEVEL_VERSION
2011 os << _(", Paragraph: ") << par.id();
2012 os << _(", Position: ") << cur.pos();
2013 Row & row = cur.textRow();
2014 os << bformat(_(", Row b:%1$d e:%2$d"), row.pos(), row.endpos());
2015 os << _(", Inset: ");
2016 InsetOld * inset = par.inInset();
2018 os << inset << " owner: " << inset->owner();
2026 string LyXText::getPossibleLabel(LCursor & cur) const
2028 ParagraphList & plist = paragraphs();
2029 ParagraphList::iterator pit = getPar(cur.par());
2031 LyXLayout_ptr layout = pit->layout();
2033 if (layout->latextype == LATEX_PARAGRAPH && pit != plist.begin()) {
2034 ParagraphList::iterator pit2 = boost::prior(pit);
2036 LyXLayout_ptr const & layout2 = pit2->layout();
2038 if (layout2->latextype != LATEX_PARAGRAPH) {
2044 string text = layout->latexname().substr(0, 3);
2045 if (layout->latexname() == "theorem")
2046 text = "thm"; // Create a correct prefix for prettyref
2049 if (layout->latextype == LATEX_PARAGRAPH || lyxrc.label_init_length < 0)
2052 string par_text = pit->asString(*cur.bv().buffer(), false);
2053 for (int i = 0; i < lyxrc.label_init_length; ++i) {
2054 if (par_text.empty())
2057 par_text = split(par_text, head, ' ');
2058 // Is it legal to use spaces in labels ?
2068 int LyXText::dist(int x, int y) const
2075 else if (x > xo_ + width)
2076 xx = x - xo_ - width;
2078 if (y < yo_ - ascent())
2079 yy = yo_ - ascent() - y;
2080 else if (y > yo_ + descent())
2081 yy = y - yo_ - descent();