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"
17 #include "bufferparams.h"
18 #include "BufferView.h"
25 #include "lyxrow_funcs.h"
26 #include "metricsinfo.h"
27 #include "paragraph_funcs.h"
28 #include "ParagraphParameters.h"
31 #include "frontends/font_metrics.h"
32 #include "frontends/Painter.h"
34 #include "insets/insettext.h"
36 #include "support/textutils.h"
42 extern int PAPER_MARGIN;
43 extern int CHANGEBAR_MARGIN;
44 extern int LEFT_MARGIN;
48 // "temporary". We'll never get to use more
49 // references until we start adding hacks like
50 // these until other places catch up.
51 BufferView * perv(BufferView const & bv)
53 return const_cast<BufferView *>(&bv);
57 * A class used for painting an individual row of text.
61 /// initialise painter
62 RowPainter(BufferView const & bv, LyXText const & text,
63 ParagraphList::iterator pit,
64 RowList::iterator rit, int y_offset, int x_offset, int y);
69 // paint various parts
70 void paintBackground();
71 void paintSelection();
74 void paintChangeBar();
77 void paintForeignMark(double orig_x, LyXFont const & orig_font);
78 void paintHebrewComposeChar(lyx::pos_type & vpos);
79 void paintArabicComposeChar(lyx::pos_type & vpos);
80 void paintChars(lyx::pos_type & vpos, bool hebrew, bool arabic);
81 int paintPageBreak(string const & label, int y);
82 int paintAppendixStart(int y);
83 int paintLengthMarker(string const & prefix, VSpace const & vsp, int start);
85 void paintFromPos(lyx::pos_type & vpos);
86 void paintInset(lyx::pos_type const pos);
88 /// return left margin
89 int leftMargin() const;
91 /// return the font at the given pos
92 LyXFont const getFont(lyx::pos_type pos) const;
94 /// return the label font for this row
95 LyXFont const getLabelFont() const;
97 char const transformChar(char c, lyx::pos_type pos) 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 row_;
116 mutable ParagraphList::iterator pit_;
130 RowPainter::RowPainter(BufferView const & bv, LyXText const & text,
131 ParagraphList::iterator pit, RowList::iterator rit,
132 int y_offset, int x_offset, int y)
133 : bv_(bv), pain_(bv_.painter()), text_(text), row_(rit),
134 pit_(pit), xo_(x_offset), yo_(y_offset), y_(y)
139 LyXFont const RowPainter::getFont(pos_type pos) const
141 return text_.getFont(pit_, pos);
145 int RowPainter::singleWidth(lyx::pos_type pos) const
147 return text_.singleWidth(pit_, pos);
151 int RowPainter::singleWidth(lyx::pos_type pos, char c) const
153 LyXFont const & font = text_.getFont(pit_, pos);
154 return text_.singleWidth(pit_, pos, c, font);
158 LyXFont const RowPainter::getLabelFont() const
160 return text_.getLabelFont(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(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_.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)) {
211 dx = (c == 'ø' || c == 'ã')
213 : (width2 - width) / 2;
220 pain_.text(int(x_) + dx, yo_ + row_->baseline(), str, font);
224 void RowPainter::paintArabicComposeChar(pos_type & vpos)
226 pos_type pos = text_.vis2log(vpos);
230 char c = pit_->getChar(pos);
231 c = transformChar(c, pos);
235 LyXFont const & font = getFont(pos);
236 int const width = font_metrics::width(c, font);
239 for (pos_type i = pos - 1; i >= 0; --i) {
240 c = pit_->getChar(i);
241 if (!Encodings::IsComposeChar_arabic(c)) {
242 if (IsPrintableNonspace(c)) {
245 dx = (width2 - width) / 2;
251 pain_.text(int(x_) + dx, yo_ + row_->baseline(), str, font);
255 void RowPainter::paintChars(pos_type & vpos, bool hebrew, bool arabic)
257 pos_type pos = text_.vis2log(vpos);
258 pos_type const last = lastPos(*pit_, row_);
259 LyXFont orig_font = getFont(pos);
263 str += pit_->getChar(pos);
265 unsigned char c = str[0];
266 str[0] = transformChar(c, pos);
269 bool prev_struckout(isDeletedText(*pit_, pos));
270 bool prev_newtext(isInsertedText(*pit_, pos));
274 // collect as much similar chars as we can
275 while (vpos <= last && (pos = text_.vis2log(vpos)) >= 0) {
276 char c = pit_->getChar(pos);
278 if (!IsPrintableNonspace(c))
281 if (prev_struckout != isDeletedText(*pit_, pos))
284 if (prev_newtext != isInsertedText(*pit_, pos))
287 if (arabic && Encodings::IsComposeChar_arabic(c))
289 if (hebrew && Encodings::IsComposeChar_hebrew(c))
292 if (orig_font != getFont(pos))
296 c = transformChar(c, pos);
301 if (prev_struckout) {
302 orig_font.setColor(LColor::strikeout);
303 } else if (prev_newtext) {
304 orig_font.setColor(LColor::newtext);
307 // Draw text and set the new x position
308 //lyxerr << "paint row: yo_ " << yo_ << " baseline: " << row_->baseline()
310 pain_.text(int(x_), yo_ + row_->baseline(), str, orig_font);
311 x_ += font_metrics::width(str, orig_font);
315 void RowPainter::paintForeignMark(double orig_x, LyXFont const & orig_font)
317 if (!lyxrc.mark_foreign_language)
319 if (orig_font.language() == latex_language)
321 if (orig_font.language() == bv_.buffer()->params().language)
324 int const y = yo_ + row_->baseline() + 1;
325 pain_.line(int(orig_x), y, int(x_), y, LColor::language);
329 void RowPainter::paintFromPos(pos_type & vpos)
331 pos_type const pos = text_.vis2log(vpos);
333 LyXFont const & orig_font = getFont(pos);
335 double const orig_x = x_;
337 char const c = pit_->getChar(pos);
339 if (IsInsetChar(c)) {
342 paintForeignMark(orig_x, orig_font);
346 // usual characters, no insets
348 // special case languages
349 bool const hebrew = (orig_font.language()->lang() == "hebrew");
351 orig_font.language()->lang() == "arabic" &&
352 (lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 ||
353 lyxrc.font_norm_type == LyXRC::ISO_10646_1);
355 // draw as many chars as we can
356 if ((!hebrew && !arabic)
357 || (hebrew && !Encodings::IsComposeChar_hebrew(c))
358 || (arabic && !Encodings::IsComposeChar_arabic(c))) {
359 paintChars(vpos, hebrew, arabic);
361 paintHebrewComposeChar(vpos);
363 paintArabicComposeChar(vpos);
366 paintForeignMark(orig_x, orig_font);
372 void RowPainter::paintBackground()
374 int const x = int(xo_);
375 int const y = yo_ < 0 ? 0 : yo_;
376 int const h = yo_ < 0 ? row_->height() + yo_ : row_->height();
377 pain_.fillRectangle(x, y, width_, h, text_.backgroundColor());
381 void RowPainter::paintSelection()
383 bool const is_rtl = pit_->isRightToLeftPar(bv_.buffer()->params());
385 // the current selection
386 int const startx = text_.selection.start.x();
387 int const endx = text_.selection.end.x();
388 int const starty = text_.selection.start.y();
389 int const endy = text_.selection.end.y();
390 RowList::iterator startrow = text_.getRow(text_.selection.start);
391 RowList::iterator endrow = text_.getRow(text_.selection.end);
393 if (text_.bidi_same_direction) {
397 int h = row_->height();
399 if (startrow == row_ && endrow == row_) {
401 x = int(xo_) + startx;
403 pain_.fillRectangle(x, y, w, h, LColor::selection);
407 pain_.fillRectangle(x, y, w, h, LColor::selection);
409 } else if (startrow == row_) {
410 int const x = is_rtl ? int(xo_) : int(xo_ + startx);
411 int const w = is_rtl ? startx : (width_ - startx);
412 pain_.fillRectangle(x, y, w, h, LColor::selection);
413 } else if (endrow == row_) {
414 int const x = is_rtl ? int(xo_ + endx) : int(xo_);
415 int const w = is_rtl ? (width_ - endx) : endx;
416 pain_.fillRectangle(x, y, w, h, LColor::selection);
417 } else if (y_ > starty && y_ < endy) {
418 pain_.fillRectangle(int(xo_), y, width_, h, LColor::selection);
421 } else if (startrow != row_ && endrow != row_) {
422 if (y_ > starty && y_ < endy) {
424 int h = row_->height();
425 pain_.fillRectangle(int(xo_), yo_, w, h, LColor::selection);
430 if ((startrow != row_ && !is_rtl) || (endrow != row_ && is_rtl))
431 pain_.fillRectangle(int(xo_), yo_,
432 int(x_), row_->height(), LColor::selection);
434 pos_type const body_pos = pit_->beginningOfBody();
435 pos_type const last = lastPos(*pit_, row_);
438 for (pos_type vpos = row_->pos(); vpos <= last; ++vpos) {
439 pos_type pos = text_.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 != 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(int(xo_ + 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 = lastPos(*pit_, row_);
489 if (!pit_->isChanged(start, end))
492 int const height = (row_ == text_.lastRow())
494 : 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_.firstRow()) {
527 ParagraphList::iterator pit2 = pit_;
528 if (row_ == pit2->rows.begin())
530 prev_depth = pit2->getDepth();
533 Paragraph::depth_type next_depth = 0;
534 if (row_ != text_.lastRow()) {
535 ParagraphList::iterator pit2 = pit_;
536 if (boost::next(row_) == pit2->rows.end())
538 next_depth = pit2->getDepth();
541 for (Paragraph::depth_type i = 1; i <= depth; ++i) {
542 int const w = PAPER_MARGIN / 5;
543 int x = int(w * i + xo_);
544 // only consider the changebar space if we're drawing outer left
546 x += CHANGEBAR_MARGIN;
547 int const h = yo_ + row_->height() - 1 - (i - next_depth - 1) * 3;
549 pain_.line(x, yo_, x, h, LColor::depthbar);
552 pain_.fillRectangle(x, yo_, w, 2, LColor::depthbar);
554 pain_.fillRectangle(x, h, w, 2, LColor::depthbar);
559 int RowPainter::paintLengthMarker(string const & prefix, VSpace const & vsp, int start)
561 if (vsp.kind() == VSpace::NONE)
564 int const arrow_size = 4;
565 int const size = getLengthMarkerHeight(bv_, vsp);
566 int const end = start + size;
568 // the label to display (if any)
570 // y-values for top arrow
572 // y-values for bottom arrow
575 str = prefix + " (" + vsp.asLyXCommand() + ")";
577 if (vsp.kind() == VSpace::VFILL) {
581 // adding or removing space
582 bool const added = vsp.kind() != VSpace::LENGTH ||
583 vsp.length().len().value() > 0.0;
584 ty1 = added ? (start + arrow_size) : start;
585 ty2 = added ? start : (start + arrow_size);
586 by1 = added ? (end - arrow_size) : end;
587 by2 = added ? end : (end - arrow_size);
590 int const leftx = int(xo_) + leftMargin();
591 int const midx = leftx + arrow_size;
592 int const rightx = midx + arrow_size;
600 font.setColor(LColor::added_space);
603 font_metrics::rectText(str, font, w, a, d);
605 pain_.rectText(leftx + 2 * arrow_size + 5,
606 start + ((end - start) / 2) + d,
608 LColor::none, LColor::none);
611 pain_.line(leftx, ty1, midx, ty2, LColor::added_space);
612 pain_.line(midx, ty2, rightx, ty1, LColor::added_space);
615 pain_.line(leftx, by1, midx, by2, LColor::added_space);
616 pain_.line(midx, by2, rightx, by1, LColor::added_space);
619 pain_.line(midx, ty2, midx, by2, LColor::added_space);
625 int RowPainter::paintPageBreak(string const & label, int y)
628 pb_font.setColor(LColor::pagebreak);
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_), y, text_start, y,
642 LColor::pagebreak, Painter::line_onoffdash);
643 pain_.line(text_end, y, int(xo_ + width_), y,
644 LColor::pagebreak, Painter::line_onoffdash);
646 return 3 * defaultRowHeight();
650 int RowPainter::paintAppendixStart(int y)
653 pb_font.setColor(LColor::appendix);
656 string const label = _("Appendix");
660 font_metrics::rectText(label, pb_font, w, a, d);
662 int const text_start = int(xo_ + (width_ - w) / 2);
663 int const text_end = text_start + w;
665 pain_.rectText(text_start, y + d, label, pb_font, LColor::none, LColor::none);
667 pain_.line(int(xo_ + 1), y, text_start, y, LColor::appendix);
668 pain_.line(text_end, y, int(xo_ + width_ - 2), y, LColor::appendix);
670 return 3 * defaultRowHeight();
674 void RowPainter::paintFirst()
676 ParagraphParameters const & parparams = pit_->params();
680 // start of appendix?
681 if (parparams.startOfAppendix())
682 y_top += paintAppendixStart(yo_ + y_top + 2 * defaultRowHeight());
685 if (row_ == text_.firstRow() && !text_.isInInset())
686 y_top += PAPER_MARGIN;
688 // draw a top pagebreak
689 if (parparams.pagebreakTop())
690 y_top += paintPageBreak(_("Page Break (top)"),
691 yo_ + y_top + 2 * defaultRowHeight());
693 // draw the additional space if needed:
694 y_top += paintLengthMarker(_("Space above"), parparams.spaceTop(),
697 Buffer const & buffer = *bv_.buffer();
699 LyXLayout_ptr const & layout = pit_->layout();
701 if (buffer.params().paragraph_separation == BufferParams::PARSEP_SKIP) {
702 if (pit_ != text_.ownerParagraphs().begin()) {
703 if (layout->latextype == LATEX_PARAGRAPH
704 && !pit_->getDepth()) {
705 y_top += buffer.params().getDefSkip().inPixels(bv_);
707 LyXLayout_ptr const & playout =
708 boost::prior(pit_)->layout();
709 if (playout->latextype == LATEX_PARAGRAPH
710 && !boost::prior(pit_)->getDepth()) {
711 // is it right to use defskip here, too? (AS)
712 y_top += buffer.params().getDefSkip().inPixels(bv_);
718 int const ww = bv_.workWidth();
721 if (parparams.lineTop()) {
722 int const asc = font_metrics::ascent('x', getFont(0));
726 int const w = (text_.isInInset() ? text_.inset_owner->width() : ww);
727 int const xp = static_cast<int>(text_.isInInset() ? xo_ : 0);
728 pain_.line(xp, yo_ + y_top, xp + w, yo_ + y_top,
729 LColor::topline, Painter::line_solid,
730 Painter::line_thick);
735 bool const is_rtl = pit_->isRightToLeftPar(bv_.buffer()->params());
737 // should we print a label?
738 if (layout->labeltype >= LABEL_STATIC
739 && (layout->labeltype != LABEL_STATIC
740 || layout->latextype != LATEX_ENVIRONMENT
741 || isFirstInSequence(pit_, text_.ownerParagraphs()))) {
743 LyXFont font = getLabelFont();
744 if (!pit_->getLabelstring().empty()) {
746 string const str = pit_->getLabelstring();
748 // this is special code for the chapter layout. This is
749 // printed in an extra row and has a pagebreak at
751 if (layout->counter == "chapter") {
752 if (buffer.params().secnumdepth >= 0) {
753 float spacing_val = 1.0;
754 if (!parparams.spacing().isDefault()) {
755 spacing_val = parparams.spacing().getValue();
757 spacing_val = buffer.params().spacing().getValue();
761 int(font_metrics::maxDescent(font) * layout->spacing.getValue() * spacing_val)
762 + int(layout->parsep) * defaultRowHeight();
765 x = ww - leftMargin() -
766 font_metrics::width(str, font);
770 yo_ + row_->baseline() -
771 row_->ascent_of_text() - maxdesc,
776 x = ww - leftMargin()
777 + font_metrics::width(layout->labelsep, font);
779 x = x_ - font_metrics::width(layout->labelsep, font)
780 - font_metrics::width(str, font);
783 pain_.text(int(x), yo_ + row_->baseline(), str, font);
787 // the labels at the top of an environment.
788 // More or less for bibliography
789 } else if (isFirstInSequence(pit_, text_.ownerParagraphs()) &&
790 (layout->labeltype == LABEL_TOP_ENVIRONMENT ||
791 layout->labeltype == LABEL_BIBLIO ||
792 layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)) {
793 LyXFont font = getLabelFont();
794 if (!pit_->getLabelstring().empty()) {
795 string const str = pit_->getLabelstring();
796 float spacing_val = 1.0;
797 if (!parparams.spacing().isDefault()) {
798 spacing_val = parparams.spacing().getValue();
800 spacing_val = buffer.params().spacing().getValue();
804 int(font_metrics::maxDescent(font) * layout->spacing.getValue() * spacing_val
805 + (layout->labelbottomsep * defaultRowHeight()));
808 if (layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT) {
809 x = ((is_rtl ? leftMargin() : x_)
810 + ww - text_.rightMargin(pit_, *bv_.buffer(), *row_)) / 2;
811 x -= font_metrics::width(str, font) / 2;
813 x = ww - leftMargin() -
814 font_metrics::width(str, font);
817 yo_ + row_->baseline() - row_->ascent_of_text() - maxdesc,
824 void RowPainter::paintLast()
826 ParagraphParameters const & parparams = pit_->params();
827 int y_bottom = row_->height() - 1;
830 if (row_ == text_.lastRow() && !text_.isInInset())
831 y_bottom -= PAPER_MARGIN;
833 int const ww = bv_.workWidth();
835 // draw a bottom pagebreak
836 if (parparams.pagebreakBottom()) {
837 y_bottom -= paintPageBreak(_("Page Break (bottom)"),
838 yo_ + y_bottom - 2 * defaultRowHeight());
841 // draw the additional space if needed:
842 int const height = getLengthMarkerHeight(bv_, parparams.spaceBottom());
843 y_bottom -= paintLengthMarker(_("Space below"), parparams.spaceBottom(),
844 yo_ + y_bottom - height);
846 // draw a bottom line
847 if (parparams.lineBottom()) {
848 int const asc = font_metrics::ascent('x',
849 getFont(max(pos_type(0), pit_->size() - 1)));
853 int const w = text_.isInInset() ? text_.inset_owner->width() : ww;
854 int const xp = int(text_.isInInset() ? xo_ : 0);
855 int const y = yo_ + y_bottom;
856 pain_.line(xp, y, xp + w, y, LColor::topline, Painter::line_solid,
857 Painter::line_thick);
862 bool const is_rtl = pit_->isRightToLeftPar(bv_.buffer()->params());
863 int const endlabel = getEndLabel(pit_, text_.ownerParagraphs());
868 case END_LABEL_FILLED_BOX:
870 LyXFont const font = getLabelFont();
871 int const size = int(0.75 * font_metrics::maxAscent(font));
872 int const y = (yo_ + row_->baseline()) - size;
873 int x = is_rtl ? LEFT_MARGIN : ww - PAPER_MARGIN - size;
875 if (row_->fill() <= size)
876 x += (size - row_->fill() + 1) * (is_rtl ? -1 : 1);
878 if (endlabel == END_LABEL_BOX)
879 pain_.rectangle(x, y, size, size, LColor::eolmarker);
881 pain_.fillRectangle(x, y, size, size, LColor::eolmarker);
884 case END_LABEL_STATIC:
886 LyXFont font = getLabelFont();
887 string const & str = pit_->layout()->endlabelstring();
888 double const x = is_rtl ?
889 x_ - font_metrics::width(str, font)
890 : ww - text_.rightMargin(pit_, *bv_.buffer(), *row_) - row_->fill();
891 pain_.text(int(x), yo_ + row_->baseline(), str, font);
894 case END_LABEL_NO_LABEL:
900 void RowPainter::paintText()
902 pos_type const last = lastPos(*pit_, row_);
903 pos_type body_pos = pit_->beginningOfBody();
905 (body_pos - 1 > last || !pit_->isLineSeparator(body_pos - 1))) {
909 LyXLayout_ptr const & layout = pit_->layout();
911 bool running_strikeout = false;
912 bool is_struckout = false;
913 int last_strikeout_x = 0;
915 pos_type vpos = row_->pos();
916 while (vpos <= last) {
917 if (x_ > bv_.workWidth())
919 pos_type pos = text_.vis2log(vpos);
921 if (pos >= pit_->size()) {
926 if (x_ + singleWidth(pos) < 0) {
927 x_ += singleWidth(pos);
932 is_struckout = isDeletedText(*pit_, pos);
934 if (is_struckout && !running_strikeout) {
935 running_strikeout = true;
936 last_strikeout_x = int(x_);
939 bool const highly_editable_inset = pit_->isInset(pos)
940 && isHighlyEditableInset(pit_->getInset(pos));
942 // if we reach the end of a struck out range, paint it
943 // we also don't paint across things like tables
944 if (running_strikeout && (highly_editable_inset || !is_struckout)) {
945 int const middle = yo_ + row_->top_of_text()
946 + (row_->baseline() - row_->top_of_text()) / 2;
947 pain_.line(last_strikeout_x, middle, int(x_), middle,
948 LColor::strikeout, Painter::line_solid, Painter::line_thin);
949 running_strikeout = false;
952 if (body_pos > 0 && pos == body_pos - 1) {
953 int const lwidth = font_metrics::width(layout->labelsep,
956 x_ += label_hfill_ + lwidth - singleWidth(body_pos - 1);
959 if (pit_->isHfill(pos)) {
962 int const y0 = yo_ + row_->baseline();
963 int const y1 = y0 - defaultRowHeight() / 2;
965 pain_.line(int(x_), y1, int(x_), y0, LColor::added_space);
967 if (hfillExpansion(*pit_, row_, pos)) {
968 int const y2 = (y0 + y1) / 2;
970 if (pos >= body_pos) {
971 pain_.line(int(x_), y2, int(x_ + hfill_), y2,
973 Painter::line_onoffdash);
976 pain_.line(int(x_), y2, int(x_ + label_hfill_), y2,
978 Painter::line_onoffdash);
981 pain_.line(int(x_), y1, int(x_), y0, LColor::added_space);
985 } else if (pit_->isSeparator(pos)) {
986 x_ += singleWidth(pos);
995 // if we reach the end of a struck out range, paint it
996 if (running_strikeout) {
997 int const middle = yo_ + row_->top_of_text()
998 + ((row_->baseline() - row_->top_of_text()) / 2);
999 pain_.line(last_strikeout_x, middle, int(x_), middle,
1000 LColor::strikeout, Painter::line_solid, Painter::line_thin);
1001 running_strikeout = false;
1006 void RowPainter::paint()
1008 width_ = text_.workWidth();
1010 separator_ = row_->fill_separator();
1011 hfill_ = row_->fill_hfill();
1012 label_hfill_ = row_->fill_label_hfill();
1014 // FIXME: what is this fixing ?
1015 if (text_.isInInset() && x_ < 0)
1019 // If we're *not* at the top-level of rows, then the
1020 // background has already been cleared.
1021 if (&text_ == bv_.text)
1024 // paint the selection background
1025 if (text_.selection.set())
1028 // vertical lines for appendix
1031 // environment depth brackets
1037 if (row_->isParStart())
1040 if (isParEnd(*pit_, row_))
1048 int paintRows(BufferView const & bv, LyXText const & text,
1049 ParagraphList::iterator pit, RowList::iterator rit,
1050 int xo, int y, int yf, int yo)
1052 //lyxerr << " paintRows: rit: " << &*rit << endl;
1053 //const_cast<LyXText&>(text).updateRowPositions();
1054 int const yy = yf - y;
1055 int const y2 = bv.painter().paperHeight();
1057 ParagraphList::iterator end = text.ownerParagraphs().end();
1058 bool active = false;
1060 for ( ; pit != end; ++pit) {
1061 RowList::iterator row = pit->rows.begin();
1062 RowList::iterator rend = pit->rows.end();
1064 for ( ; row != rend; ++row) {
1068 RowPainter painter(bv, text, pit, row, y + yo, xo, y + bv.top_y());
1074 //lyxerr << " paintRows: row: " << &*row << " ignored" << endl;
1085 int paintText(BufferView & bv)
1087 int const topy = bv.top_y();
1088 ParagraphList::iterator pit;
1089 RowList::iterator rit = bv.text->getRowNearY(topy, pit);
1090 int y = rit->y() - topy;
1091 return paintRows(bv, *bv.text, pit, rit, 0, y, y, 0);
1095 void paintTextInset(BufferView & bv, LyXText & text, int x, int baseline)
1097 RowList::iterator rit = text.firstRow();
1098 RowList::iterator end = text.endRow();
1099 ParagraphList::iterator pit = text.ownerParagraphs().begin();
1101 int y_offset = baseline - rit->ascent_of_text();
1103 while (rit != end && y + rit->height() <= 0) {
1105 text.nextRow(pit, rit);
1108 paintRows(bv, text, pit, rit, x, 0, y, y);
1110 paintRows(bv, text, pit, rit, x, 0, y_offset, y_offset);
1114 int getLengthMarkerHeight(BufferView const & bv, VSpace const & vsp)
1116 if (vsp.kind() == VSpace::NONE)
1119 int const arrow_size = 4;
1120 int const space_size = vsp.inPixels(bv);
1124 int const min_size = max(3 * arrow_size,
1125 font_metrics::maxAscent(font)
1126 + font_metrics::maxDescent(font));
1128 if (vsp.length().len().value() < 0.0)
1131 return max(min_size, space_size);