3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
9 * Full author contact details are available in file CREDITS.
14 #include "rowpainter.h"
18 #include "bufferparams.h"
19 #include "BufferView.h"
26 #include "lyxrow_funcs.h"
27 #include "metricsinfo.h"
28 #include "paragraph.h"
29 #include "paragraph_funcs.h"
30 #include "ParagraphParameters.h"
33 #include "frontends/font_metrics.h"
34 #include "frontends/Painter.h"
36 #include "insets/insettext.h"
38 #include "support/textutils.h"
45 extern int PAPER_MARGIN;
46 extern int CHANGEBAR_MARGIN;
47 extern int LEFT_MARGIN;
51 // "temporary". We'll never get to use more
52 // references until we start adding hacks like
53 // these until other places catch up.
54 BufferView * perv(BufferView const & bv)
56 return const_cast<BufferView *>(&bv);
60 * A class used for painting an individual row of text.
64 /// initialise painter
65 RowPainter(BufferView const & bv, LyXText const & text,
66 ParagraphList::iterator pit,
67 RowList::iterator rit, int y_offset, int x_offset, int y);
72 // paint various parts
73 void paintBackground();
74 void paintSelection();
77 void paintChangeBar();
80 void paintForeignMark(double orig_x, LyXFont const & orig_font);
81 void paintHebrewComposeChar(lyx::pos_type & vpos);
82 void paintArabicComposeChar(lyx::pos_type & vpos);
83 void paintChars(lyx::pos_type & vpos, bool hebrew, bool arabic);
84 int paintAppendixStart(int y);
85 int paintLengthMarker(string const & prefix, VSpace const & vsp, int start);
87 void paintFromPos(lyx::pos_type & vpos);
88 void paintInset(lyx::pos_type const pos);
90 /// return left margin
91 int leftMargin() const;
93 /// return the font at the given pos
94 LyXFont const getFont(lyx::pos_type pos) const;
96 /// return the label font for this row
97 LyXFont const getLabelFont() const;
99 /// return pixel width for the given pos
100 int singleWidth(lyx::pos_type pos) const;
101 int singleWidth(lyx::pos_type pos, char c) const;
103 /// bufferview to paint on
104 BufferView const & bv_;
109 /// LyXText for the row
110 LyXText const & text_;
113 RowList::iterator const rit_;
117 mutable ParagraphList::iterator pit_;
131 RowPainter::RowPainter(BufferView const & bv, LyXText const & text,
132 ParagraphList::iterator pit, RowList::iterator rit,
133 int y_offset, int x_offset, int y)
134 : bv_(bv), pain_(bv_.painter()), text_(text), rit_(rit), row_(*rit),
135 pit_(pit), xo_(x_offset), yo_(y_offset),
137 width_(text_.workWidth()),
138 separator_(row_.fill_separator()),
139 hfill_(row_.fill_hfill()),
140 label_hfill_(row_.fill_label_hfill())
145 LyXFont const RowPainter::getFont(pos_type pos) const
147 return text_.getFont(pit_, pos);
151 int RowPainter::singleWidth(lyx::pos_type pos) const
153 return text_.singleWidth(pit_, pos);
157 int RowPainter::singleWidth(lyx::pos_type pos, char c) const
159 LyXFont const & font = text_.getFont(pit_, pos);
160 return text_.singleWidth(pit_, pos, c, font);
164 LyXFont const RowPainter::getLabelFont() const
166 return text_.getLabelFont(pit_);
170 int RowPainter::leftMargin() const
172 return text_.leftMargin(pit_, row_);
176 void RowPainter::paintInset(pos_type const pos)
178 InsetOld * inset = const_cast<InsetOld*>(pit_->getInset(pos));
182 PainterInfo pi(perv(bv_));
183 pi.base.font = getFont(pos);
184 inset->draw(pi, int(x_), yo_ + row_.baseline());
185 x_ += inset->width();
189 void RowPainter::paintHebrewComposeChar(pos_type & vpos)
191 pos_type pos = text_.bidi.vis2log(vpos);
196 char c = pit_->getChar(pos);
200 LyXFont const & font = getFont(pos);
201 int const width = font_metrics::width(c, font);
204 for (pos_type i = pos - 1; i >= 0; --i) {
205 c = pit_->getChar(i);
206 if (!Encodings::IsComposeChar_hebrew(c)) {
207 if (IsPrintableNonspace(c)) {
208 int const width2 = singleWidth(i, c);
210 dx = (c == 'ø' || c == 'ã')
212 : (width2 - width) / 2;
219 pain_.text(int(x_) + dx, yo_ + row_.baseline(), str, font);
223 void RowPainter::paintArabicComposeChar(pos_type & vpos)
225 pos_type pos = text_.bidi.vis2log(vpos);
229 char c = pit_->getChar(pos);
230 c = pit_->transformChar(c, pos);
234 LyXFont const & font = getFont(pos);
235 int const width = font_metrics::width(c, font);
238 for (pos_type i = pos - 1; i >= 0; --i) {
239 c = pit_->getChar(i);
240 if (!Encodings::IsComposeChar_arabic(c)) {
241 if (IsPrintableNonspace(c)) {
242 int const width2 = singleWidth(i, c);
243 dx = (width2 - width) / 2;
249 pain_.text(int(x_) + dx, yo_ + row_.baseline(), str, font);
253 void RowPainter::paintChars(pos_type & vpos, bool hebrew, bool arabic)
255 pos_type pos = text_.bidi.vis2log(vpos);
256 pos_type const end = row_.endpos();
257 LyXFont orig_font = getFont(pos);
261 str += pit_->getChar(pos);
263 unsigned char c = str[0];
264 str[0] = pit_->transformChar(c, pos);
267 bool prev_struckout = isDeletedText(*pit_, pos);
268 bool prev_newtext = isInsertedText(*pit_, pos);
272 // collect as much similar chars as we can
273 while (vpos < end && (pos = text_.bidi.vis2log(vpos)) >= 0) {
274 char c = pit_->getChar(pos);
276 if (!IsPrintableNonspace(c))
279 if (prev_struckout != isDeletedText(*pit_, pos))
282 if (prev_newtext != isInsertedText(*pit_, pos))
285 if (arabic && Encodings::IsComposeChar_arabic(c))
288 if (hebrew && Encodings::IsComposeChar_hebrew(c))
291 if (orig_font != getFont(pos))
295 c = pit_->transformChar(c, pos);
301 orig_font.setColor(LColor::strikeout);
302 else if (prev_newtext)
303 orig_font.setColor(LColor::newtext);
305 // Draw text and set the new x position
306 //lyxerr << "paint row: yo_ " << yo_ << " baseline: " << row_.baseline()
308 pain_.text(int(x_), yo_ + row_.baseline(), str, orig_font);
309 x_ += font_metrics::width(str, orig_font);
313 void RowPainter::paintForeignMark(double orig_x, LyXFont const & orig_font)
315 if (!lyxrc.mark_foreign_language)
317 if (orig_font.language() == latex_language)
319 if (orig_font.language() == bv_.buffer()->params().language)
322 int const y = yo_ + row_.baseline() + 1;
323 pain_.line(int(orig_x), y, int(x_), y, LColor::language);
327 void RowPainter::paintFromPos(pos_type & vpos)
329 pos_type const pos = text_.bidi.vis2log(vpos);
331 LyXFont const & orig_font = getFont(pos);
333 double const orig_x = x_;
335 char const c = pit_->getChar(pos);
337 if (c == Paragraph::META_INSET) {
340 paintForeignMark(orig_x, orig_font);
344 // usual characters, no insets
346 // special case languages
347 bool const hebrew = (orig_font.language()->lang() == "hebrew");
349 orig_font.language()->lang() == "arabic" &&
350 (lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 ||
351 lyxrc.font_norm_type == LyXRC::ISO_10646_1);
353 // draw as many chars as we can
354 if ((!hebrew && !arabic)
355 || (hebrew && !Encodings::IsComposeChar_hebrew(c))
356 || (arabic && !Encodings::IsComposeChar_arabic(c))) {
357 paintChars(vpos, hebrew, arabic);
359 paintHebrewComposeChar(vpos);
361 paintArabicComposeChar(vpos);
364 paintForeignMark(orig_x, orig_font);
370 void RowPainter::paintBackground()
372 int const x = int(xo_);
373 int const y = yo_ < 0 ? 0 : yo_;
374 int const h = yo_ < 0 ? row_.height() + yo_ : row_.height();
375 pain_.fillRectangle(x, y, width_, h, text_.backgroundColor());
379 void RowPainter::paintSelection()
381 bool const is_rtl = pit_->isRightToLeftPar(bv_.buffer()->params());
383 // the current selection
384 int const startx = text_.selection.start.x();
385 int const endx = text_.selection.end.x();
386 int const starty = text_.selection.start.y();
387 int const endy = text_.selection.end.y();
388 ParagraphList::iterator startpit = text_.getPar(text_.selection.start);
389 ParagraphList::iterator endpit = text_.getPar(text_.selection.end);
390 RowList::iterator startrow = startpit->getRow(text_.selection.start.pos());
391 RowList::iterator endrow = endpit->getRow(text_.selection.end.pos());
392 int const h = row_.height();
394 if (text_.bidi.same_direction()) {
399 if (startrow == rit_ && endrow == rit_) {
401 x = int(xo_) + startx;
407 pain_.fillRectangle(x, y, w, h, LColor::selection);
408 } else if (startrow == rit_) {
409 int const x = is_rtl ? int(xo_) : int(xo_ + startx);
410 int const w = is_rtl ? startx : (width_ - startx);
411 pain_.fillRectangle(x, y, w, h, LColor::selection);
412 } else if (endrow == rit_) {
413 int const x = is_rtl ? int(xo_ + endx) : int(xo_);
414 int const w = is_rtl ? (width_ - endx) : endx;
415 pain_.fillRectangle(x, y, w, h, LColor::selection);
416 } else if (y_ > starty && y_ < endy) {
417 pain_.fillRectangle(int(xo_), y, width_, h, LColor::selection);
422 if (startrow != rit_ && endrow != rit_) {
423 if (y_ > starty && y_ < endy) {
425 pain_.fillRectangle(int(xo_), yo_, w, h, LColor::selection);
430 if ((startrow != rit_ && !is_rtl) || (endrow != rit_ && is_rtl))
431 pain_.fillRectangle(int(xo_), yo_,
432 int(x_), h, LColor::selection);
434 pos_type const body_pos = pit_->beginningOfBody();
435 pos_type const end = row_.endpos();
438 for (pos_type vpos = row_.pos(); vpos < end; ++vpos) {
439 pos_type pos = text_.bidi.vis2log(vpos);
440 double const old_tmpx = tmpx;
441 if (body_pos > 0 && pos == body_pos - 1) {
442 LyXLayout_ptr const & layout = pit_->layout();
443 LyXFont const lfont = getLabelFont();
445 tmpx += label_hfill_ + font_metrics::width(layout->labelsep, lfont);
447 if (pit_->isLineSeparator(body_pos - 1))
448 tmpx -= singleWidth(body_pos - 1);
451 if (hfillExpansion(*pit_, row_, pos)) {
452 tmpx += singleWidth(pos);
456 tmpx += label_hfill_;
459 else if (pit_->isSeparator(pos)) {
460 tmpx += singleWidth(pos);
464 tmpx += singleWidth(pos);
467 if ((startrow != rit_ || text_.selection.start.pos() <= pos) &&
468 (endrow != rit_ || pos < text_.selection.end.pos())) {
469 // Here we do not use x_ as xo_ was added to x_.
470 pain_.fillRectangle(int(old_tmpx), yo_,
471 int(tmpx - old_tmpx + 1), h, LColor::selection);
475 if ((startrow != rit_ && is_rtl) || (endrow != rit_ && !is_rtl)) {
476 pain_.fillRectangle(int(xo_ + tmpx),
477 yo_, int(bv_.workWidth() - tmpx), h, LColor::selection);
482 void RowPainter::paintChangeBar()
484 pos_type const start = row_.pos();
485 pos_type const end = row_.endpos();
487 if (start == end || !pit_->isChanged(start, end - 1))
490 int const height = text_.isLastRow(pit_, row_)
492 : row_.height() + boost::next(rit_)->top_of_text();
494 pain_.fillRectangle(4, yo_, 5, height, LColor::changebar);
498 void RowPainter::paintAppendix()
500 if (!pit_->params().appendix())
503 // FIXME: can be just width_ ?
504 int const ww = bv_.workWidth();
508 if (pit_->params().startOfAppendix())
509 y += 2 * defaultRowHeight();
511 pain_.line(1, y, 1, yo_ + row_.height(), LColor::appendix);
512 pain_.line(ww - 2, y, ww - 2, yo_ + row_.height(), LColor::appendix);
516 void RowPainter::paintDepthBar()
518 Paragraph::depth_type const depth = pit_->getDepth();
523 Paragraph::depth_type prev_depth = 0;
524 if (!text_.isFirstRow(pit_, row_)) {
525 ParagraphList::iterator pit2 = pit_;
528 prev_depth = pit2->getDepth();
531 Paragraph::depth_type next_depth = 0;
532 if (!text_.isLastRow(pit_, row_)) {
533 ParagraphList::iterator pit2 = pit_;
534 if (row_.endpos() >= pit2->size())
536 next_depth = pit2->getDepth();
539 for (Paragraph::depth_type i = 1; i <= depth; ++i) {
540 int const w = PAPER_MARGIN / 5;
541 int x = int(w * i + xo_);
542 // only consider the changebar space if we're drawing outer left
544 x += CHANGEBAR_MARGIN;
545 int const h = yo_ + row_.height() - 1 - (i - next_depth - 1) * 3;
547 pain_.line(x, yo_, x, h, LColor::depthbar);
550 pain_.fillRectangle(x, yo_, w, 2, LColor::depthbar);
552 pain_.fillRectangle(x, h, w, 2, LColor::depthbar);
557 int RowPainter::paintLengthMarker(string const & prefix, VSpace const & vsp,
560 if (vsp.kind() == VSpace::NONE)
563 int const arrow_size = 4;
564 int const size = getLengthMarkerHeight(bv_, vsp);
565 int const end = start + size;
567 // the label to display (if any)
569 // y-values for top arrow
571 // y-values for bottom arrow
574 str = prefix + " (" + vsp.asLyXCommand() + ")";
576 if (vsp.kind() == VSpace::VFILL) {
580 // adding or removing space
581 bool const added = vsp.kind() != VSpace::LENGTH ||
582 vsp.length().len().value() > 0.0;
583 ty1 = added ? (start + arrow_size) : start;
584 ty2 = added ? start : (start + arrow_size);
585 by1 = added ? (end - arrow_size) : end;
586 by2 = added ? end : (end - arrow_size);
589 int const leftx = int(xo_) + leftMargin();
590 int const midx = leftx + arrow_size;
591 int const rightx = midx + arrow_size;
599 font.setColor(LColor::added_space);
602 font_metrics::rectText(str, font, w, a, d);
604 pain_.rectText(leftx + 2 * arrow_size + 5,
605 start + ((end - start) / 2) + d,
607 LColor::none, LColor::none);
610 pain_.line(leftx, ty1, midx, ty2, LColor::added_space);
611 pain_.line(midx, ty2, rightx, ty1, LColor::added_space);
614 pain_.line(leftx, by1, midx, by2, LColor::added_space);
615 pain_.line(midx, by2, rightx, by1, LColor::added_space);
618 pain_.line(midx, ty2, midx, by2, LColor::added_space);
624 int RowPainter::paintAppendixStart(int y)
627 pb_font.setColor(LColor::appendix);
630 string const label = _("Appendix");
634 font_metrics::rectText(label, pb_font, w, a, d);
636 int const text_start = int(xo_ + (width_ - w) / 2);
637 int const text_end = text_start + w;
639 pain_.rectText(text_start, y + d, label, pb_font, LColor::none, LColor::none);
641 pain_.line(int(xo_ + 1), y, text_start, y, LColor::appendix);
642 pain_.line(text_end, y, int(xo_ + width_ - 2), y, LColor::appendix);
644 return 3 * defaultRowHeight();
648 void RowPainter::paintFirst()
650 ParagraphParameters const & parparams = pit_->params();
654 // start of appendix?
655 if (parparams.startOfAppendix())
656 y_top += paintAppendixStart(yo_ + y_top + 2 * defaultRowHeight());
659 if (text_.isFirstRow(pit_, row_) && !text_.isInInset())
660 y_top += PAPER_MARGIN;
662 // draw the additional space if needed:
663 y_top += paintLengthMarker(_("Space above"), parparams.spaceTop(),
666 Buffer const & buffer = *bv_.buffer();
668 LyXLayout_ptr const & layout = pit_->layout();
670 if (buffer.params().paragraph_separation == BufferParams::PARSEP_SKIP) {
671 if (pit_ != text_.ownerParagraphs().begin()) {
672 if (layout->latextype == LATEX_PARAGRAPH
673 && !pit_->getDepth()) {
674 y_top += buffer.params().getDefSkip().inPixels(bv_);
676 LyXLayout_ptr const & playout =
677 boost::prior(pit_)->layout();
678 if (playout->latextype == LATEX_PARAGRAPH
679 && !boost::prior(pit_)->getDepth()) {
680 // is it right to use defskip here, too? (AS)
681 y_top += buffer.params().getDefSkip().inPixels(bv_);
687 int const ww = bv_.workWidth();
689 bool const is_rtl = pit_->isRightToLeftPar(bv_.buffer()->params());
690 bool const is_seq = isFirstInSequence(pit_, text_.ownerParagraphs());
691 //lyxerr << "paintFirst: " << pit_->id() << " is_seq: " << is_seq << std::endl;
693 // should we print a label?
694 if (layout->labeltype >= LABEL_STATIC
695 && (layout->labeltype != LABEL_STATIC
696 || layout->latextype != LATEX_ENVIRONMENT
699 LyXFont font = getLabelFont();
700 if (!pit_->getLabelstring().empty()) {
702 string const str = pit_->getLabelstring();
704 // this is special code for the chapter layout. This is
705 // printed in an extra row and has a pagebreak at
707 if (layout->counter == "chapter") {
708 if (buffer.params().secnumdepth >= 0) {
709 float spacing_val = 1.0;
710 if (!parparams.spacing().isDefault()) {
711 spacing_val = parparams.spacing().getValue();
713 spacing_val = buffer.params().spacing().getValue();
717 int(font_metrics::maxDescent(font) * layout->spacing.getValue() * spacing_val)
718 + int(layout->parsep) * defaultRowHeight();
721 x = ww - leftMargin() -
722 font_metrics::width(str, font);
726 yo_ + row_.baseline() -
727 row_.ascent_of_text() - maxdesc,
732 x = ww - leftMargin()
733 + font_metrics::width(layout->labelsep, font);
735 x = x_ - font_metrics::width(layout->labelsep, font)
736 - font_metrics::width(str, font);
739 pain_.text(int(x), yo_ + row_.baseline(), str, font);
743 // the labels at the top of an environment.
744 // More or less for bibliography
746 (layout->labeltype == LABEL_TOP_ENVIRONMENT ||
747 layout->labeltype == LABEL_BIBLIO ||
748 layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)) {
749 LyXFont font = getLabelFont();
750 if (!pit_->getLabelstring().empty()) {
751 string const str = pit_->getLabelstring();
752 float spacing_val = 1.0;
753 if (!parparams.spacing().isDefault()) {
754 spacing_val = parparams.spacing().getValue();
756 spacing_val = buffer.params().spacing().getValue();
760 int(font_metrics::maxDescent(font) * layout->spacing.getValue() * spacing_val
761 + (layout->labelbottomsep * defaultRowHeight()));
764 if (layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT) {
765 x = ((is_rtl ? leftMargin() : x_)
766 + ww - text_.rightMargin(*pit_, *bv_.buffer(), row_)) / 2;
767 x -= font_metrics::width(str, font) / 2;
769 x = ww - leftMargin() -
770 font_metrics::width(str, font);
773 yo_ + row_.baseline() - row_.ascent_of_text() - maxdesc,
780 void RowPainter::paintLast()
782 ParagraphParameters const & parparams = pit_->params();
783 int y_bottom = row_.height() - 1;
786 if (text_.isLastRow(pit_, row_) && !text_.isInInset())
787 y_bottom -= PAPER_MARGIN;
789 int const ww = bv_.workWidth();
791 // draw the additional space if needed:
792 int const height = getLengthMarkerHeight(bv_, parparams.spaceBottom());
793 y_bottom -= paintLengthMarker(_("Space below"), parparams.spaceBottom(),
794 yo_ + y_bottom - height);
796 bool const is_rtl = pit_->isRightToLeftPar(bv_.buffer()->params());
797 int const endlabel = getEndLabel(pit_, text_.ownerParagraphs());
802 case END_LABEL_FILLED_BOX:
804 LyXFont const font = getLabelFont();
805 int const size = int(0.75 * font_metrics::maxAscent(font));
806 int const y = (yo_ + row_.baseline()) - size;
807 int x = is_rtl ? LEFT_MARGIN : ww - PAPER_MARGIN - size;
809 if (row_.fill() <= size)
810 x += (size - row_.fill() + 1) * (is_rtl ? -1 : 1);
812 if (endlabel == END_LABEL_BOX)
813 pain_.rectangle(x, y, size, size, LColor::eolmarker);
815 pain_.fillRectangle(x, y, size, size, LColor::eolmarker);
818 case END_LABEL_STATIC:
820 LyXFont font = getLabelFont();
821 string const & str = pit_->layout()->endlabelstring();
822 double const x = is_rtl ?
823 x_ - font_metrics::width(str, font)
824 : ww - text_.rightMargin(*pit_, *bv_.buffer(), row_) - row_.fill();
825 pain_.text(int(x), yo_ + row_.baseline(), str, font);
828 case END_LABEL_NO_LABEL:
834 void RowPainter::paintText()
836 pos_type const end = row_.endpos();
837 pos_type body_pos = pit_->beginningOfBody();
839 (body_pos > end || !pit_->isLineSeparator(body_pos - 1))) {
843 LyXLayout_ptr const & layout = pit_->layout();
845 bool running_strikeout = false;
846 bool is_struckout = false;
847 int last_strikeout_x = 0;
849 for (pos_type vpos = row_.pos(); vpos <= end; ) {
850 if (x_ > bv_.workWidth())
853 pos_type pos = text_.bidi.vis2log(vpos);
855 if (pos >= pit_->size()) {
860 if (x_ + singleWidth(pos) < 0) {
861 x_ += singleWidth(pos);
866 is_struckout = isDeletedText(*pit_, pos);
868 if (is_struckout && !running_strikeout) {
869 running_strikeout = true;
870 last_strikeout_x = int(x_);
873 bool const highly_editable_inset = pit_->isInset(pos)
874 && isHighlyEditableInset(pit_->getInset(pos));
876 // if we reach the end of a struck out range, paint it
877 // we also don't paint across things like tables
878 if (running_strikeout && (highly_editable_inset || !is_struckout)) {
879 int const middle = yo_ + (row_.baseline() + row_.top_of_text()) / 2;
880 pain_.line(last_strikeout_x, middle, int(x_), middle,
881 LColor::strikeout, Painter::line_solid, Painter::line_thin);
882 running_strikeout = false;
885 if (body_pos > 0 && pos == body_pos - 1) {
886 int const lwidth = font_metrics::width(layout->labelsep,
889 x_ += label_hfill_ + lwidth - singleWidth(body_pos - 1);
892 if (pit_->isHfill(pos)) {
895 int const y0 = yo_ + row_.baseline();
896 int const y1 = y0 - defaultRowHeight() / 2;
898 pain_.line(int(x_), y1, int(x_), y0, LColor::added_space);
900 if (hfillExpansion(*pit_, row_, pos)) {
901 int const y2 = (y0 + y1) / 2;
903 if (pos >= body_pos) {
904 pain_.line(int(x_), y2, int(x_ + hfill_), y2,
906 Painter::line_onoffdash);
909 pain_.line(int(x_), y2, int(x_ + label_hfill_), y2,
911 Painter::line_onoffdash);
914 pain_.line(int(x_), y1, int(x_), y0, LColor::added_space);
918 } else if (pit_->isSeparator(pos)) {
919 x_ += singleWidth(pos);
928 // if we reach the end of a struck out range, paint it
929 if (running_strikeout) {
930 int const middle = yo_ + (row_.baseline() + row_.top_of_text()) / 2;
931 pain_.line(last_strikeout_x, middle, int(x_), middle,
932 LColor::strikeout, Painter::line_solid, Painter::line_thin);
933 running_strikeout = false;
938 void RowPainter::paint()
940 // FIXME: what is this fixing ?
941 if (text_.isInInset() && x_ < 0)
945 // background has already been cleared.
946 if (&text_ == bv_.text)
949 // paint the selection background
950 if (text_.selection.set())
953 // vertical lines for appendix
956 // environment depth brackets
965 if (row_.endpos() >= pit_->size())
973 int paintRows(BufferView const & bv, LyXText const & text,
974 ParagraphList::iterator pit, RowList::iterator rit,
975 int xo, int y, int yf, int yo)
977 //lyxerr << " paintRows: rit: " << &*rit << endl;
978 int const yy = yf - y;
979 int const y2 = bv.painter().paperHeight();
981 ParagraphList::iterator end = text.ownerParagraphs().end();
984 for ( ; pit != end; ++pit) {
985 RowList::iterator row = pit->rows.begin();
986 RowList::iterator rend = pit->rows.end();
988 for ( ; row != rend; ++row) {
992 RowPainter painter(bv, text, pit, row, y + yo, xo, y + bv.top_y());
998 //lyxerr << " paintRows: row: " << &*row << " ignored" << endl;
1009 int paintText(BufferView & bv)
1011 int const topy = bv.top_y();
1012 ParagraphList::iterator pit;
1013 RowList::iterator rit = bv.text->getRowNearY(topy, pit);
1014 int const y = pit->y + rit->y_offset() - topy;
1015 return paintRows(bv, *bv.text, pit, rit, 0, y, y, 0);
1019 void paintTextInset(BufferView & bv, LyXText & text, int x, int baseline)
1021 RowList::iterator rit = text.firstRow();
1022 RowList::iterator end = text.endRow();
1023 ParagraphList::iterator pit = text.ownerParagraphs().begin();
1025 int y_offset = baseline - rit->ascent_of_text();
1027 while (rit != end && y + rit->height() <= 0) {
1029 text.nextRow(pit, rit);
1032 paintRows(bv, text, pit, rit, x, 0, y, y);
1034 paintRows(bv, text, pit, rit, x, 0, y_offset, y_offset);
1038 int getLengthMarkerHeight(BufferView const & bv, VSpace const & vsp)
1040 if (vsp.kind() == VSpace::NONE)
1043 int const arrow_size = 4;
1044 int const space_size = vsp.inPixels(bv);
1048 int const min_size = max(3 * arrow_size,
1049 font_metrics::maxAscent(font)
1050 + font_metrics::maxDescent(font));
1052 if (vsp.length().len().value() < 0.0)
1055 return max(min_size, space_size);