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 "frontends/Painter.h"
15 #include "frontends/screen.h"
16 #include "frontends/font_metrics.h"
17 #include "support/LAssert.h"
18 #include "paragraph.h"
19 #include "paragraph_funcs.h"
20 #include "support/textutils.h"
22 #include "insets/insettext.h"
23 #include "ParagraphParameters.h"
25 #include "BufferView.h"
32 #include "rowpainter.h"
34 #include "lyxrow_funcs.h"
35 #include "metricsinfo.h"
39 using namespace lyx::support;
44 extern int PAPER_MARGIN;
45 extern int CHANGEBAR_MARGIN;
46 extern int LEFT_MARGIN;
50 // "temporary". We'll never get to use more
51 // references until we start adding hacks like
52 // these until other places catch up.
53 BufferView * perv(BufferView const & bv)
55 return const_cast<BufferView *>(&bv);
59 * A class used for painting an individual row of text.
63 /// initialise painter
64 RowPainter(BufferView const & bv, LyXText const & text,
65 RowList::iterator rit, int y_offset, int x_offset, int y);
70 // paint various parts
71 void paintBackground();
72 void paintSelection();
75 void paintChangeBar();
78 void paintForeignMark(int orig_x, LyXFont const & orig_font);
79 void paintHebrewComposeChar(lyx::pos_type & vpos);
80 void paintArabicComposeChar(lyx::pos_type & vpos);
81 void paintChars(lyx::pos_type & vpos, bool hebrew, bool arabic);
82 int paintPageBreak(string const & label, int y);
83 int paintAppendixStart(int y);
84 int paintLengthMarker(string const & prefix, VSpace const & vsp, int start);
86 void paintFromPos(lyx::pos_type & vpos);
87 void paintInset(lyx::pos_type const pos);
89 /// return left margin
90 int leftMargin() const;
92 /// return the font at the given pos
93 LyXFont const getFont(lyx::pos_type pos) const;
95 /// return the label font for this row
96 LyXFont const getLabelFont() const;
98 char const transformChar(char c, lyx::pos_type pos) const;
100 /// return pixel width for the given pos
101 int singleWidth(lyx::pos_type pos) const;
102 int singleWidth(lyx::pos_type pos, char c) const;
104 /// bufferview to paint on
105 BufferView const & bv_;
110 /// LyXText for the row
111 LyXText const & text_;
114 RowList::iterator row_;
117 mutable ParagraphList::iterator pit_;
130 RowPainter::RowPainter(BufferView const & bv, LyXText const & text,
131 RowList::iterator rit,
132 int y_offset, int x_offset, int y)
133 : bv_(bv), pain_(bv_.painter()), text_(text), row_(rit),
135 xo_(x_offset), yo_(y_offset), y_(y)
140 LyXFont const RowPainter::getFont(pos_type pos) const
142 return text_.getFont(bv_.buffer(), pit_, pos);
146 int RowPainter::singleWidth(lyx::pos_type pos) const
148 return text_.singleWidth(pit_, pos);
152 int RowPainter::singleWidth(lyx::pos_type pos, char c) const
154 return text_.singleWidth(pit_, pos, c);
158 LyXFont const RowPainter::getLabelFont() const
160 return text_.getLabelFont(bv_.buffer(), pit_);
164 char const RowPainter::transformChar(char c, lyx::pos_type pos) const
166 return text_.transformChar(c, *pit_, pos);
170 int RowPainter::leftMargin() const
172 return text_.leftMargin(*row_);
176 void RowPainter::paintInset(pos_type const pos)
178 Inset * inset = const_cast<Inset*>(pit_->getInset(pos));
182 PainterInfo pi(perv(bv_));
183 pi.base.font = getFont(pos);
185 inset->draw(pi, int(x_), yo_ + row_->baseline());
186 x_ += inset->width();
190 void RowPainter::paintHebrewComposeChar(pos_type & vpos)
192 pos_type pos = text_.vis2log(vpos);
197 char c = pit_->getChar(pos);
201 LyXFont const & font = getFont(pos);
202 int const width = font_metrics::width(c, font);
205 for (pos_type i = pos - 1; i >= 0; --i) {
206 c = pit_->getChar(i);
207 if (!Encodings::IsComposeChar_hebrew(c)) {
208 if (IsPrintableNonspace(c)) {
212 dx = (c == 'ø' || c == 'ã')
214 : (width2 - width) / 2;
221 pain_.text(int(x_) + dx, yo_ + row_->baseline(), str, font);
225 void RowPainter::paintArabicComposeChar(pos_type & vpos)
227 pos_type pos = text_.vis2log(vpos);
231 char c = pit_->getChar(pos);
232 c = transformChar(c, pos);
236 LyXFont const & font = getFont(pos);
237 int const width = font_metrics::width(c, font);
240 for (pos_type i = pos - 1; i >= 0; --i) {
241 c = pit_->getChar(i);
242 if (!Encodings::IsComposeChar_arabic(c)) {
243 if (IsPrintableNonspace(c)) {
246 dx = (width2 - width) / 2;
252 pain_.text(int(x_) + dx, yo_ + row_->baseline(), str, font);
256 void RowPainter::paintChars(pos_type & vpos, bool hebrew, bool arabic)
258 pos_type pos = text_.vis2log(vpos);
259 pos_type const last = lastPrintablePos(text_, row_);
260 LyXFont orig_font = getFont(pos);
264 str += pit_->getChar(pos);
266 unsigned char c = str[0];
267 str[0] = transformChar(c, pos);
270 bool prev_struckout(isDeletedText(*pit_, pos));
271 bool prev_newtext(isInsertedText(*pit_, pos));
275 // collect as much similar chars as we can
276 while (vpos <= last && (pos = text_.vis2log(vpos)) >= 0) {
277 char c = pit_->getChar(pos);
279 if (!IsPrintableNonspace(c))
282 if (prev_struckout != isDeletedText(*pit_, pos))
285 if (prev_newtext != isInsertedText(*pit_, pos))
288 if (arabic && Encodings::IsComposeChar_arabic(c))
290 if (hebrew && Encodings::IsComposeChar_hebrew(c))
293 if (orig_font != getFont(pos))
297 c = transformChar(c, pos);
302 if (prev_struckout) {
303 orig_font.setColor(LColor::strikeout);
304 } else if (prev_newtext) {
305 orig_font.setColor(LColor::newtext);
308 // Draw text and set the new x position
309 //lyxerr << "paint row: yo_ " << yo_ << " baseline: " << row_->baseline()
311 pain_.text(int(x_), yo_ + row_->baseline(), str, orig_font);
312 x_ += font_metrics::width(str, orig_font);
316 void RowPainter::paintForeignMark(int orig_x, LyXFont const & orig_font)
318 if (!lyxrc.mark_foreign_language)
320 if (orig_font.language() == latex_language)
322 if (orig_font.language() == bv_.buffer()->params.language)
325 int const y = yo_ + row_->baseline() + 1;
326 pain_.line(int(orig_x), y, int(x_), y, LColor::language);
330 void RowPainter::paintFromPos(pos_type & vpos)
332 pos_type const pos = text_.vis2log(vpos);
334 LyXFont const & orig_font = getFont(pos);
336 int const orig_x = x_;
338 char const c = pit_->getChar(pos);
340 if (IsInsetChar(c)) {
343 paintForeignMark(orig_x, orig_font);
347 // usual characters, no insets
349 // special case languages
350 bool const hebrew = (orig_font.language()->lang() == "hebrew");
352 orig_font.language()->lang() == "arabic" &&
353 (lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 ||
354 lyxrc.font_norm_type == LyXRC::ISO_10646_1);
356 // draw as many chars as we can
357 if ((!hebrew && !arabic)
358 || (hebrew && !Encodings::IsComposeChar_hebrew(c))
359 || (arabic && !Encodings::IsComposeChar_arabic(c))) {
360 paintChars(vpos, hebrew, arabic);
362 paintHebrewComposeChar(vpos);
364 paintArabicComposeChar(vpos);
367 paintForeignMark(orig_x, orig_font);
373 void RowPainter::paintBackground()
376 int const y = yo_ < 0 ? 0 : yo_;
377 int const h = yo_ < 0 ? row_->height() + yo_ : row_->height();
378 pain_.fillRectangle(x, y, width_, h, text_.backgroundColor());
382 void RowPainter::paintSelection()
384 bool const is_rtl = pit_->isRightToLeftPar(bv_.buffer()->params);
386 // the current selection
387 int const startx = text_.selection.start.x();
388 int const endx = text_.selection.end.x();
389 int const starty = text_.selection.start.y();
390 int const endy = text_.selection.end.y();
391 RowList::iterator startrow = text_.getRow(text_.selection.start);
392 RowList::iterator endrow = text_.getRow(text_.selection.end);
394 if (text_.bidi_same_direction) {
398 int h = row_->height();
400 if (startrow == row_ && endrow == row_) {
404 pain_.fillRectangle(x, y, w, h, LColor::selection);
408 pain_.fillRectangle(x, y, w, h, LColor::selection);
410 } else if (startrow == row_) {
411 int const x = (is_rtl) ? xo_ : (xo_ + startx);
412 int const w = (is_rtl) ? startx : (width_ - startx);
413 pain_.fillRectangle(x, y, w, h, LColor::selection);
414 } else if (endrow == row_) {
415 int const x = (is_rtl) ? (xo_ + endx) : xo_;
416 int const w = (is_rtl) ? (width_ - endx) : endx;
417 pain_.fillRectangle(x, y, w, h, LColor::selection);
418 } else if (y_ > starty && y_ < endy) {
419 pain_.fillRectangle(xo_, y, width_, h, LColor::selection);
422 } else if (startrow != row_ && endrow != row_) {
423 if (y_ > starty && y_ < endy) {
425 int h = row_->height();
426 pain_.fillRectangle(xo_, yo_, w, h, LColor::selection);
431 if ((startrow != row_ && !is_rtl) || (endrow != row_ && is_rtl))
432 pain_.fillRectangle(xo_, yo_, int(x_), row_->height(), LColor::selection);
434 pos_type const body_pos = pit_->beginningOfBody();
435 pos_type const last = lastPrintablePos(text_, row_);
438 for (pos_type vpos = row_->pos(); vpos <= last; ++vpos) {
439 pos_type pos = text_.vis2log(vpos);
440 int 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(text_, 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 != row_ || text_.selection.start.pos() <= pos) &&
468 (endrow != row_ || 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),
472 row_->height(), LColor::selection);
476 if ((startrow != row_ && is_rtl) || (endrow != row_ && !is_rtl)) {
477 pain_.fillRectangle(xo_ + int(tmpx),
478 yo_, int(bv_.workWidth() - tmpx),
479 row_->height(), LColor::selection);
484 void RowPainter::paintChangeBar()
486 pos_type const start = row_->pos();
487 pos_type const end = lastPrintablePos(text_, row_);
489 if (!pit_->isChanged(start, end))
492 int const height = (boost::next(row_) != text_.rows().end()
493 ? row_->height() + boost::next(row_)->top_of_text()
496 pain_.fillRectangle(4, yo_, 5, height, LColor::changebar);
500 void RowPainter::paintAppendix()
502 if (!pit_->params().appendix())
505 // FIXME: can be just width_ ?
506 int const ww = bv_.workWidth();
510 if (pit_->params().startOfAppendix())
511 y += 2 * defaultRowHeight();
513 pain_.line(1, y, 1, yo_ + row_->height(), LColor::appendix);
514 pain_.line(ww - 2, y, ww - 2, yo_ + row_->height(), LColor::appendix);
518 void RowPainter::paintDepthBar()
520 Paragraph::depth_type const depth = pit_->getDepth();
525 Paragraph::depth_type prev_depth = 0;
526 if (row_ != text_.rows().begin())
527 prev_depth = boost::prior(row_)->par()->getDepth();
528 Paragraph::depth_type next_depth = 0;
530 RowList::iterator next_row = boost::next(row_);
531 if (next_row != text_.rows().end())
532 next_depth = next_row->par()->getDepth();
534 for (Paragraph::depth_type i = 1; i <= depth; ++i) {
535 int x = (PAPER_MARGIN / 5) * i + xo_;
536 // only consider the changebar space if we're drawing outer left
538 x += CHANGEBAR_MARGIN;
539 int const h = yo_ + row_->height() - 1 - (i - next_depth - 1) * 3;
541 pain_.line(x, yo_, x, h, LColor::depthbar);
543 int const w = PAPER_MARGIN / 5;
545 if (i > prev_depth) {
546 pain_.fillRectangle(x, yo_, w, 2, LColor::depthbar);
548 if (i > next_depth) {
549 pain_.fillRectangle(x, h, w, 2, LColor::depthbar);
555 int RowPainter::paintLengthMarker(string const & prefix, VSpace const & vsp, int start)
557 if (vsp.kind() == VSpace::NONE)
560 int const arrow_size = 4;
561 int const size = getLengthMarkerHeight(bv_, vsp);
562 int const end = start + size;
564 // the label to display (if any)
566 // y-values for top arrow
568 // y-values for bottom arrow
571 str = prefix + " (" + vsp.asLyXCommand() + ")";
573 if (vsp.kind() == VSpace::VFILL) {
577 // adding or removing space
578 bool const added = vsp.kind() != VSpace::LENGTH ||
579 vsp.length().len().value() > 0.0;
580 ty1 = added ? (start + arrow_size) : start;
581 ty2 = added ? start : (start + arrow_size);
582 by1 = added ? (end - arrow_size) : end;
583 by2 = added ? end : (end - arrow_size);
586 int const leftx = xo_ + leftMargin();
587 int const midx = leftx + arrow_size;
588 int const rightx = midx + arrow_size;
596 font.setColor(LColor::added_space).decSize().decSize();
597 font_metrics::rectText(str, font, w, a, d);
599 pain_.rectText(leftx + 2 * arrow_size + 5,
600 start + ((end - start) / 2) + d,
604 pain_.line(leftx, ty1, midx, ty2, LColor::added_space);
605 pain_.line(midx, ty2, rightx, ty1, LColor::added_space);
608 pain_.line(leftx, by1, midx, by2, LColor::added_space);
609 pain_.line(midx, by2, rightx, by1, LColor::added_space);
612 pain_.line(midx, ty2, midx, by2, LColor::added_space);
618 int RowPainter::paintPageBreak(string const & label, int y)
621 pb_font.setColor(LColor::pagebreak).decSize();
626 font_metrics::rectText(label, pb_font, w, a, d);
628 int const text_start = xo_ + ((width_ - w) / 2);
629 int const text_end = text_start + w;
631 pain_.rectText(text_start, y + d, label, pb_font);
633 pain_.line(xo_, y, text_start, y,
634 LColor::pagebreak, Painter::line_onoffdash);
635 pain_.line(text_end, y, xo_ + width_, y,
636 LColor::pagebreak, Painter::line_onoffdash);
638 return 3 * defaultRowHeight();
642 int RowPainter::paintAppendixStart(int y)
645 pb_font.setColor(LColor::appendix).decSize();
647 string const label = _("Appendix");
651 font_metrics::rectText(label, pb_font, w, a, d);
653 int const text_start = xo_ + ((width_ - w) / 2);
654 int const text_end = text_start + w;
656 pain_.rectText(text_start, y + d, label, pb_font);
658 pain_.line(xo_ + 1, y, text_start, y, LColor::appendix);
659 pain_.line(text_end, y, xo_ + width_ - 2, y, LColor::appendix);
661 return 3 * defaultRowHeight();
665 void RowPainter::paintFirst()
667 ParagraphParameters const & parparams = pit_->params();
671 // start of appendix?
672 if (parparams.startOfAppendix()) {
673 y_top += paintAppendixStart(yo_ + y_top + 2 * defaultRowHeight());
677 if (row_ == text_.rows().begin() && !text_.isInInset())
678 y_top += PAPER_MARGIN;
680 // draw a top pagebreak
681 if (parparams.pagebreakTop()) {
682 y_top += paintPageBreak(_("Page Break (top)"),
683 yo_ + y_top + 2 * defaultRowHeight());
686 // draw the additional space if needed:
687 y_top += paintLengthMarker(_("Space above"), parparams.spaceTop(),
690 Buffer const * buffer = bv_.buffer();
692 LyXLayout_ptr const & layout = pit_->layout();
694 if (buffer->params.paragraph_separation == BufferParams::PARSEP_SKIP) {
695 if (pit_ != text_.ownerParagraphs().begin()) {
696 if (layout->latextype == LATEX_PARAGRAPH
697 && !pit_->getDepth()) {
698 y_top += buffer->params.getDefSkip().inPixels(bv_);
700 LyXLayout_ptr const & playout =
701 boost::prior(pit_)->layout();
702 if (playout->latextype == LATEX_PARAGRAPH
703 && !boost::prior(pit_)->getDepth()) {
704 // is it right to use defskip here, too? (AS)
705 y_top += buffer->params.getDefSkip().inPixels(bv_);
711 int const ww = bv_.workWidth();
714 if (parparams.lineTop()) {
715 int const asc = font_metrics::ascent('x', getFont(0));
719 int const w = (text_.isInInset() ? text_.inset_owner->width() : ww);
720 int const xp = static_cast<int>(text_.isInInset() ? xo_ : 0);
721 pain_.line(xp, yo_ + y_top, xp + w, yo_ + y_top,
722 LColor::topline, Painter::line_solid,
723 Painter::line_thick);
728 bool const is_rtl = pit_->isRightToLeftPar(bv_.buffer()->params);
730 // should we print a label?
731 if (layout->labeltype >= LABEL_STATIC
732 && (layout->labeltype != LABEL_STATIC
733 || layout->latextype != LATEX_ENVIRONMENT
734 || isFirstInSequence(pit_, text_.ownerParagraphs()))) {
736 LyXFont font = getLabelFont();
737 if (!pit_->getLabelstring().empty()) {
739 string const str = pit_->getLabelstring();
741 // this is special code for the chapter layout. This is
742 // printed in an extra row and has a pagebreak at
744 if (layout->labeltype == LABEL_COUNTER_CHAPTER) {
745 if (buffer->params.secnumdepth >= 0) {
746 float spacing_val = 1.0;
747 if (!parparams.spacing().isDefault()) {
748 spacing_val = parparams.spacing().getValue();
750 spacing_val = buffer->params.spacing.getValue();
754 int(font_metrics::maxDescent(font) * layout->spacing.getValue() * spacing_val)
755 + int(layout->parsep) * defaultRowHeight();
758 x = ww - leftMargin() -
759 font_metrics::width(str, font);
763 yo_ + row_->baseline() -
764 row_->ascent_of_text() - maxdesc,
769 x = ww - leftMargin()
770 + font_metrics::width(layout->labelsep, font);
772 x = x_ - font_metrics::width(layout->labelsep, font)
773 - font_metrics::width(str, font);
776 pain_.text(x, yo_ + row_->baseline(), str, font);
780 // the labels at the top of an environment.
781 // More or less for bibliography
782 } else if (isFirstInSequence(pit_, text_.ownerParagraphs()) &&
783 (layout->labeltype == LABEL_TOP_ENVIRONMENT ||
784 layout->labeltype == LABEL_BIBLIO ||
785 layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)) {
786 LyXFont font = getLabelFont();
787 if (!pit_->getLabelstring().empty()) {
788 string const str = pit_->getLabelstring();
789 float spacing_val = 1.0;
790 if (!parparams.spacing().isDefault()) {
791 spacing_val = parparams.spacing().getValue();
793 spacing_val = buffer->params.spacing.getValue();
797 int(font_metrics::maxDescent(font) * layout->spacing.getValue() * spacing_val
798 + (layout->labelbottomsep * defaultRowHeight()));
801 if (layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT) {
802 x = ((is_rtl ? leftMargin() : x_)
803 + ww - text_.rightMargin(*bv_.buffer(), *row_)) / 2;
804 x -= font_metrics::width(str, font) / 2;
806 x = ww - leftMargin() -
807 font_metrics::width(str, font);
809 pain_.text(x, yo_ + row_->baseline()
810 - row_->ascent_of_text() - maxdesc,
817 void RowPainter::paintLast()
819 ParagraphParameters const & parparams = pit_->params();
820 int y_bottom = row_->height() - 1;
823 if (boost::next(row_) == text_.rows().end() && !text_.isInInset())
824 y_bottom -= PAPER_MARGIN;
826 int const ww = bv_.workWidth();
828 // draw a bottom pagebreak
829 if (parparams.pagebreakBottom()) {
830 y_bottom -= paintPageBreak(_("Page Break (bottom)"),
831 yo_ + y_bottom - 2 * defaultRowHeight());
834 // draw the additional space if needed:
835 int const height = getLengthMarkerHeight(bv_, parparams.spaceBottom());
836 y_bottom -= paintLengthMarker(_("Space below"), parparams.spaceBottom(),
837 yo_ + y_bottom - height);
839 // draw a bottom line
840 if (parparams.lineBottom()) {
841 int const asc = font_metrics::ascent('x',
842 getFont(max(pos_type(0), pit_->size() - 1)));
846 int const w = text_.isInInset() ? text_.inset_owner->width() : ww;
847 int const xp = static_cast<int>(text_.isInInset() ? xo_ : 0);
848 int const y = yo_ + y_bottom;
849 pain_.line(xp, y, xp + w, y, LColor::topline, Painter::line_solid,
850 Painter::line_thick);
855 bool const is_rtl = pit_->isRightToLeftPar(bv_.buffer()->params);
856 int const endlabel = getEndLabel(pit_, text_.ownerParagraphs());
861 case END_LABEL_FILLED_BOX:
863 LyXFont const font = getLabelFont();
864 int const size = int(0.75 * font_metrics::maxAscent(font));
865 int const y = (yo_ + row_->baseline()) - size;
866 int x = is_rtl ? LEFT_MARGIN : ww - PAPER_MARGIN - size;
868 if (row_->fill() <= size)
869 x += (size - row_->fill() + 1) * (is_rtl ? -1 : 1);
871 if (endlabel == END_LABEL_BOX) {
872 pain_.rectangle(x, y, size, size, LColor::eolmarker);
874 pain_.fillRectangle(x, y, size, size, LColor::eolmarker);
878 case END_LABEL_STATIC:
880 LyXFont font = getLabelFont();
881 string const & str = pit_->layout()->endlabelstring();
882 int const x = is_rtl ?
883 x_ - font_metrics::width(str, font)
884 : ww - text_.rightMargin(*bv_.buffer(), *row_) - row_->fill();
885 pain_.text(x, yo_ + row_->baseline(), str, font);
888 case END_LABEL_NO_LABEL:
894 void RowPainter::paintText()
896 pos_type const last = lastPrintablePos(text_, row_);
897 pos_type body_pos = pit_->beginningOfBody();
899 (body_pos - 1 > last ||
900 !pit_->isLineSeparator(body_pos - 1))) {
904 LyXLayout_ptr const & layout = pit_->layout();
906 bool running_strikeout = false;
907 bool is_struckout = false;
908 int last_strikeout_x = 0;
910 pos_type vpos = row_->pos();
911 while (vpos <= last) {
912 if (x_ > bv_.workWidth())
914 pos_type pos = text_.vis2log(vpos);
916 if (pos >= pit_->size()) {
921 if (x_ + singleWidth(pos) < 0) {
922 x_ += singleWidth(pos);
927 is_struckout = isDeletedText(*pit_, pos);
929 if (is_struckout && !running_strikeout) {
930 running_strikeout = true;
931 last_strikeout_x = x_;
934 bool const highly_editable_inset = pit_->isInset(pos)
935 && isHighlyEditableInset(pit_->getInset(pos));
937 // if we reach the end of a struck out range, paint it
938 // we also don't paint across things like tables
939 if (running_strikeout && (highly_editable_inset || !is_struckout)) {
940 int const middle = yo_ + row_->top_of_text()
941 + ((row_->baseline() - row_->top_of_text()) / 2);
942 pain_.line(last_strikeout_x, middle, x_, middle,
943 LColor::strikeout, Painter::line_solid, Painter::line_thin);
944 running_strikeout = false;
947 if (body_pos > 0 && pos == body_pos - 1) {
948 int const lwidth = font_metrics::width(layout->labelsep,
951 x_ += label_hfill_ + lwidth - singleWidth(body_pos - 1);
954 if (pit_->isHfill(pos)) {
957 int const y0 = yo_ + row_->baseline();
958 int const y1 = y0 - defaultRowHeight() / 2;
960 pain_.line(x_, y1, x_, y0, LColor::added_space);
962 if (hfillExpansion(text_, row_, pos)) {
963 int const y2 = (y0 + y1) / 2;
965 if (pos >= body_pos) {
966 pain_.line(x_, y2, x_ + hfill_, y2,
968 Painter::line_onoffdash);
972 x_ + label_hfill_, y2,
974 Painter::line_onoffdash);
977 pain_.line(x_, y1, x_, y0, LColor::added_space);
981 } else if (pit_->isSeparator(pos)) {
982 x_ += singleWidth(pos);
991 // if we reach the end of a struck out range, paint it
992 if (running_strikeout) {
993 int const middle = yo_ + row_->top_of_text()
994 + ((row_->baseline() - row_->top_of_text()) / 2);
995 pain_.line(last_strikeout_x, middle, x_, middle,
996 LColor::strikeout, Painter::line_solid, Painter::line_thin);
997 running_strikeout = false;
1003 void RowPainter::paint()
1005 width_ = text_.workWidth();
1007 // FIXME: must be a cleaner way here. Aren't these calculations
1008 // belonging to row metrics ?
1009 text_.prepareToPrint(row_, x_, separator_, hfill_, label_hfill_);
1011 // FIXME: what is this fixing ?
1012 if (text_.isInInset() && x_ < 0)
1016 // If we're *not* at the top-level of rows, then the
1017 // background has already been cleared.
1018 if (&text_ == bv_.text)
1021 // paint the selection background
1022 if (text_.selection.set()) {
1026 // vertical lines for appendix
1029 // environment depth brackets
1035 if (row_->isParStart()) {
1039 if (isParEnd(text_, row_)) {
1051 int getLengthMarkerHeight(BufferView const & bv, VSpace const & vsp)
1053 if (vsp.kind() == VSpace::NONE)
1056 int const arrow_size = 4;
1057 int const space_size = vsp.inPixels(bv);
1061 int const min_size = max(3 * arrow_size,
1062 font_metrics::maxAscent(font)
1063 + font_metrics::maxDescent(font));
1065 if (vsp.length().len().value() < 0.0)
1068 return max(min_size, space_size);
1072 void paintRows(BufferView const & bv, LyXText const & text,
1073 RowList::iterator rit, int y_offset, int x_offset, int y)
1075 // fix up missing metrics() call for main LyXText
1076 // calling metrics() directly is (a) slow and (b) crashs
1077 if (&text == bv.text) {
1079 lyxerr << "paintRows, global...\n";
1080 // make sure all insets are updated
1081 ParagraphList::iterator pit = text.ownerParagraphs().begin();
1082 ParagraphList::iterator end = text.ownerParagraphs().end();
1084 // compute inset metrics
1085 for (; pit != end; ++pit) {
1086 for (int pos = 0; pos != pit->size(); ++pos) {
1087 if (pit->isInset(pos)) {
1090 MetricsInfo mi(perv(bv), font, text.workWidth());
1091 pit->getInset(pos)->metrics(mi, dim);
1098 MetricsInfo mi(perv(bv), font, text.workWidth());
1099 const_cast<LyXText&>(text).metrics(mi, dim);
1103 RowPainter painter(bv, text, rit, y_offset, x_offset, y);