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.
15 #include "rowpainter.h"
19 #include "CoordCache.h"
21 #include "BufferParams.h"
22 #include "BufferView.h"
25 #include "support/gettext.h"
30 #include "MetricsInfo.h"
31 #include "Paragraph.h"
32 #include "ParagraphMetrics.h"
33 #include "paragraph_funcs.h"
34 #include "ParagraphParameters.h"
35 #include "TextMetrics.h"
38 #include "frontends/FontMetrics.h"
39 #include "frontends/Painter.h"
41 #include "insets/InsetText.h"
43 #include "support/debug.h"
44 #include "support/textutils.h"
46 #include "support/lassert.h"
47 #include <boost/crc.hpp>
53 using frontend::Painter;
54 using frontend::FontMetrics;
56 RowPainter::RowPainter(PainterInfo & pi,
57 Text const & text, pit_type pit, Row const & row, Bidi & bidi, int x, int y)
58 : pi_(pi), text_(text),
59 text_metrics_(pi_.base.bv->textMetrics(&text)),
60 pars_(text.paragraphs()),
61 row_(row), pit_(pit), par_(text.paragraphs()[pit]),
62 pm_(text_metrics_.parMetrics(pit)),
63 bidi_(bidi), erased_(pi_.erased_),
64 xo_(x), yo_(y), width_(text_metrics_.width())
66 bidi_.computeTables(par_, pi_.base.bv->buffer(), row_);
69 //lyxerr << "RowPainter: x: " << x_ << " xo: " << xo_ << " yo: " << yo_ << endl;
72 LASSERT(pit >= 0, /**/);
73 LASSERT(pit < int(text.paragraphs().size()), /**/);
77 FontInfo RowPainter::labelFont() const
79 return text_.labelFont(pi_.base.bv->buffer(), par_);
83 int RowPainter::leftMargin() const
85 return text_metrics_.leftMargin(text_metrics_.width(), pit_,
89 // If you want to debug inset metrics uncomment the following line:
90 //#define DEBUG_METRICS
91 // This draws green lines around each inset.
94 void RowPainter::paintInset(Inset const * inset, pos_type const pos)
96 Font const font = text_metrics_.displayFont(pit_, pos);
98 LASSERT(inset, return);
99 // Backup full_repaint status because some insets (InsetTabular)
100 // requires a full repaint
101 bool pi_full_repaint = pi_.full_repaint;
103 // FIXME: We should always use font, see documentation of
104 // noFontChange() in Inset.h.
105 pi_.base.font = inset->noFontChange() ?
106 pi_.base.bv->buffer().params().getFont().fontInfo() :
108 pi_.ltr_pos = (bidi_.level(pos) % 2 == 0);
109 pi_.erased_ = erased_ || par_.isDeleted(pos);
110 pi_.base.bv->coordCache().insets().add(inset, int(x_), yo_);
111 // insets are painted completely. Recursive
112 inset->drawBackground(pi_, int(x_), yo_);
113 inset->drawSelection(pi_, int(x_), yo_);
114 inset->draw(pi_, int(x_), yo_);
116 Dimension const & dim = pm_.insetDimension(inset);
118 paintForeignMark(x_, font.language(), dim.descent());
122 // Restore full_repaint status.
123 pi_.full_repaint = pi_full_repaint;
126 int const x1 = int(x_ - dim.width());
128 LASSERT(max_witdh_ > 0, /**/);
129 int right_margin = text_metrics_.rightMargin(pm_);
130 int const w = max_witdh_ - leftMargin() - right_margin;
131 MetricsInfo mi(pi_.base.bv, font.fontInfo(), w);
132 inset->metrics(mi, dim2);
133 if (dim.wid != dim2.wid)
134 lyxerr << "Error: inset " << to_ascii(inset->getInsetName())
135 << " draw width " << dim.width()
136 << "> metrics width " << dim2.wid << "." << endl;
137 if (dim->asc != dim2.asc)
138 lyxerr << "Error: inset " << to_ascii(inset->getInsetName())
139 << " draw ascent " << dim.ascent()
140 << "> metrics ascent " << dim2.asc << "." << endl;
141 if (dim2.descent() != dim.des)
142 lyxerr << "Error: inset " << to_ascii(inset->getInsetName())
143 << " draw ascent " << dim.descent()
144 << "> metrics descent " << dim2.des << "." << endl;
145 LASSERT(dim2.wid == dim.wid, /**/);
146 LASSERT(dim2.asc == dim.asc, /**/);
147 LASSERT(dim2.des == dim.des, /**/);
148 int const x2 = x1 + dim.wid;
149 int const y1 = yo_ + dim.des;
150 int const y2 = yo_ - dim.asc;
151 pi_.pain.line(x1, y1, x1, y2, Color_green);
152 pi_.pain.line(x1, y1, x2, y1, Color_green);
153 pi_.pain.line(x2, y1, x2, y2, Color_green);
154 pi_.pain.line(x1, y2, x2, y2, Color_green);
159 void RowPainter::paintHebrewComposeChar(pos_type & vpos, FontInfo const & font)
161 pos_type pos = bidi_.vis2log(vpos);
166 char_type c = par_.getChar(pos);
170 int const width = theFontMetrics(font).width(c);
173 for (pos_type i = pos - 1; i >= 0; --i) {
175 if (!Encodings::isHebrewComposeChar(c)) {
176 if (isPrintableNonspace(c)) {
177 int const width2 = pm_.singleWidth(i,
178 text_metrics_.displayFont(pit_, i));
179 dx = (c == 0x05e8 || // resh
180 c == 0x05d3) // dalet
182 : (width2 - width) / 2;
189 pi_.pain.text(int(x_) + dx, yo_, str, font);
193 void RowPainter::paintArabicComposeChar(pos_type & vpos, FontInfo const & font)
195 pos_type pos = bidi_.vis2log(vpos);
199 char_type c = par_.getChar(pos);
200 c = par_.transformChar(c, pos);
204 int const width = theFontMetrics(font).width(c);
207 for (pos_type i = pos - 1; i >= 0; --i) {
209 if (!Encodings::isArabicComposeChar(c)) {
210 if (isPrintableNonspace(c)) {
211 int const width2 = pm_.singleWidth(i,
212 text_metrics_.displayFont(pit_, i));
213 dx = (width2 - width) / 2;
219 pi_.pain.text(int(x_) + dx, yo_, str, font);
223 void RowPainter::paintChars(pos_type & vpos, FontInfo const & font,
224 bool hebrew, bool arabic)
226 // This method takes up 70% of time when typing
227 pos_type pos = bidi_.vis2log(vpos);
229 vector<char_type> str;
231 str.push_back(par_.getChar(pos));
234 char_type c = str[0];
239 str[0] = par_.transformChar(c, pos);
242 pos_type const end = row_.endpos();
243 FontSpan const font_span = par_.fontSpan(pos);
244 // Track-change status.
245 Change const & change_running = par_.lookupChange(pos);
248 bool const selection = pos >= row_.sel_beg && pos < row_.sel_end;
250 char_type prev_char = ' ';
251 // collect as much similar chars as we can
252 for (++vpos ; vpos < end ; ++vpos) {
253 pos = bidi_.vis2log(vpos);
254 if (pos < font_span.first || pos > font_span.last)
257 bool const new_selection = pos >= row_.sel_beg && pos < row_.sel_end;
258 if (new_selection != selection)
259 // Selection ends or starts here.
262 Change const & change = par_.lookupChange(pos);
263 if (!change_running.isSimilarTo(change))
264 // Track change type or author has changed.
267 char_type c = par_.getChar(pos);
269 if (c == '\t' || prev_char == '\t') {
274 if (!isPrintableNonspace(c))
277 /* Because we do our own bidi, at this point the strings are
278 * already in visual order. However, Qt also applies its own
279 * bidi algorithm to strings that it paints to the screen.
280 * Therefore, if we were to paint Hebrew/Arabic words as a
281 * single string, the letters in the words would get reversed
282 * again. In order to avoid that, we don't collect Hebrew/
283 * Arabic characters, but rather paint them one at a time.
284 * See also http://thread.gmane.org/gmane.editors.lyx.devel/79740
289 /* FIXME: these checks are irrelevant, since 'arabic' and
290 * 'hebrew' alone are already going to trigger a break.
291 * However, this should not be removed completely, because
292 * if an alternative solution is found which allows grouping
293 * of arabic and hebrew characters, then these breaks may have
296 if (arabic && Encodings::isArabicComposeChar(c))
299 if (hebrew && Encodings::isHebrewComposeChar(c))
308 c = par_.transformChar(c, pos);
309 /* see comment in hebrew, explaining why we break */
316 docstring s(&str[0], str.size());
319 s.replace(0,1,from_ascii(" "));
321 if (!selection && !change_running.changed()) {
322 x_ += pi_.pain.text(int(x_), yo_, s, font);
326 FontInfo copy = font;
327 if (change_running.changed())
328 copy.setColor(change_running.color());
330 copy.setColor(Color_selectiontext);
332 x_ += pi_.pain.text(int(x_), yo_, s, copy);
336 void RowPainter::paintForeignMark(double orig_x, Language const * lang,
339 if (!lyxrc.mark_foreign_language)
341 if (lang == latex_language)
343 if (lang == pi_.base.bv->buffer().params().language)
346 int const y = yo_ + 1 + desc;
347 pi_.pain.line(int(orig_x), y, int(x_), y, Color_language);
351 void RowPainter::paintFromPos(pos_type & vpos)
353 pos_type const pos = bidi_.vis2log(vpos);
354 Font const orig_font = text_metrics_.displayFont(pit_, pos);
355 double const orig_x = x_;
357 // usual characters, no insets
358 char_type const c = par_.getChar(pos);
360 // special case languages
361 string const & lang = orig_font.language()->lang();
362 bool const hebrew = lang == "hebrew";
363 bool const arabic = lang == "arabic_arabtex" || lang == "arabic_arabi" ||
366 // draw as many chars as we can
367 if ((!hebrew && !arabic)
368 || (hebrew && !Encodings::isHebrewComposeChar(c))
369 || (arabic && !Encodings::isArabicComposeChar(c))) {
370 paintChars(vpos, orig_font.fontInfo(), hebrew, arabic);
372 paintHebrewComposeChar(vpos, orig_font.fontInfo());
374 paintArabicComposeChar(vpos, orig_font.fontInfo());
377 paintForeignMark(orig_x, orig_font.language());
381 void RowPainter::paintChangeBar()
383 pos_type const start = row_.pos();
384 pos_type end = row_.endpos();
386 if (par_.size() == end) {
387 // this is the last row of the paragraph;
388 // thus, we must also consider the imaginary end-of-par character
392 if (start == end || !par_.isChanged(start, end))
395 int const height = text_metrics_.isLastRow(pit_, row_)
399 pi_.pain.fillRectangle(5, yo_ - row_.ascent(), 3, height, Color_changebar);
403 void RowPainter::paintAppendix()
405 // only draw the appendix frame once (for the main text)
406 if (!par_.params().appendix() || !text_.isMainText(pi_.base.bv->buffer()))
409 int y = yo_ - row_.ascent();
411 if (par_.params().startOfAppendix())
412 y += 2 * defaultRowHeight();
414 pi_.pain.line(1, y, 1, yo_ + row_.height(), Color_appendix);
415 pi_.pain.line(width_ - 2, y, width_ - 2, yo_ + row_.height(), Color_appendix);
419 void RowPainter::paintDepthBar()
421 depth_type const depth = par_.getDepth();
426 depth_type prev_depth = 0;
427 if (!text_metrics_.isFirstRow(pit_, row_)) {
428 pit_type pit2 = pit_;
431 prev_depth = pars_[pit2].getDepth();
434 depth_type next_depth = 0;
435 if (!text_metrics_.isLastRow(pit_, row_)) {
436 pit_type pit2 = pit_;
437 if (row_.endpos() >= pars_[pit2].size())
439 next_depth = pars_[pit2].getDepth();
442 for (depth_type i = 1; i <= depth; ++i) {
443 int const w = nestMargin() / 5;
444 int x = int(xo_) + w * i;
445 // only consider the changebar space if we're drawing outermost text
446 if (text_.isMainText(pi_.base.bv->buffer()))
447 x += changebarMargin();
449 int const starty = yo_ - row_.ascent();
450 int const h = row_.height() - 1 - (i - next_depth - 1) * 3;
452 pi_.pain.line(x, starty, x, starty + h, Color_depthbar);
455 pi_.pain.fillRectangle(x, starty, w, 2, Color_depthbar);
457 pi_.pain.fillRectangle(x, starty + h, w, 2, Color_depthbar);
462 int RowPainter::paintAppendixStart(int y)
464 FontInfo pb_font = sane_font;
465 pb_font.setColor(Color_appendix);
472 docstring const label = _("Appendix");
473 theFontMetrics(pb_font).rectText(label, w, a, d);
475 int const text_start = int(xo_ + (width_ - w) / 2);
476 int const text_end = text_start + w;
478 pi_.pain.rectText(text_start, y + d, label, pb_font, Color_none, Color_none);
480 pi_.pain.line(int(xo_ + 1), y, text_start, y, Color_appendix);
481 pi_.pain.line(text_end, y, int(xo_ + width_ - 2), y, Color_appendix);
483 return 3 * defaultRowHeight();
487 void RowPainter::paintFirst()
489 ParagraphParameters const & parparams = par_.params();
493 // start of appendix?
494 if (parparams.startOfAppendix())
495 y_top += paintAppendixStart(yo_ - row_.ascent() + 2 * defaultRowHeight());
497 Buffer const & buffer = pi_.base.bv->buffer();
498 Layout const & layout = par_.layout();
500 if (buffer.params().paragraph_separation == BufferParams::ParagraphSkipSeparation) {
502 if (layout.latextype == LATEX_PARAGRAPH
503 && !par_.getDepth()) {
504 y_top += buffer.params().getDefSkip().inPixels(*pi_.base.bv);
506 Layout const & playout = pars_[pit_ - 1].layout();
507 if (playout.latextype == LATEX_PARAGRAPH
508 && !pars_[pit_ - 1].getDepth()) {
509 // is it right to use defskip here, too? (AS)
510 y_top += buffer.params().getDefSkip().inPixels(*pi_.base.bv);
516 bool const is_rtl = text_.isRTL(buffer, par_);
517 bool const is_seq = isFirstInSequence(pit_, text_.paragraphs());
518 //lyxerr << "paintFirst: " << par_.id() << " is_seq: " << is_seq << endl;
520 // should we print a label?
521 if (layout.labeltype >= LABEL_STATIC
522 && (layout.labeltype != LABEL_STATIC
523 || layout.latextype != LATEX_ENVIRONMENT
526 FontInfo const font = labelFont();
527 FontMetrics const & fm = theFontMetrics(font);
529 docstring const str = par_.labelString();
533 // this is special code for the chapter layout. This is
534 // printed in an extra row and has a pagebreak at
536 if (layout.counter == "chapter") {
537 double spacing_val = 1.0;
538 if (!parparams.spacing().isDefault()) {
539 spacing_val = parparams.spacing().getValue();
541 spacing_val = buffer.params().spacing().getValue();
544 int const labeladdon = int(fm.maxHeight() * layout.spacing.getValue() * spacing_val);
546 int const maxdesc = int(fm.maxDescent() * layout.spacing.getValue() * spacing_val)
547 + int(layout.parsep) * defaultRowHeight();
550 x = width_ - leftMargin() -
554 pi_.pain.text(int(x), yo_ - maxdesc - labeladdon, str, font);
557 x = width_ - leftMargin()
558 + fm.width(layout.labelsep);
560 x = x_ - fm.width(layout.labelsep)
564 pi_.pain.text(int(x), yo_, str, font);
568 // the labels at the top of an environment.
569 // More or less for bibliography
571 (layout.labeltype == LABEL_TOP_ENVIRONMENT ||
572 layout.labeltype == LABEL_BIBLIO ||
573 layout.labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)) {
574 FontInfo const font = labelFont();
575 docstring const str = par_.labelString();
577 double spacing_val = 1.0;
578 if (!parparams.spacing().isDefault())
579 spacing_val = parparams.spacing().getValue();
581 spacing_val = buffer.params().spacing().getValue();
583 FontMetrics const & fm = theFontMetrics(font);
585 int const labeladdon = int(fm.maxHeight()
586 * layout.spacing.getValue() * spacing_val);
589 int(fm.maxDescent() * layout.spacing.getValue() * spacing_val
590 + (layout.labelbottomsep * defaultRowHeight()));
593 if (layout.labeltype == LABEL_CENTERED_TOP_ENVIRONMENT) {
596 x += (width_ - text_metrics_.rightMargin(pm_) - leftMargin()) / 2;
597 x -= fm.width(str) / 2;
599 x = width_ - leftMargin() - fm.width(str);
601 pi_.pain.text(int(x), yo_ - maxdesc - labeladdon, str, font);
607 void RowPainter::paintLast()
609 bool const is_rtl = text_.isRTL(pi_.base.bv->buffer(), par_);
610 int const endlabel = getEndLabel(pit_, text_.paragraphs());
612 // paint imaginary end-of-paragraph character
614 Change const & change = par_.lookupChange(par_.size());
615 if (change.changed()) {
616 FontMetrics const & fm =
617 theFontMetrics(pi_.base.bv->buffer().params().getFont());
618 int const length = fm.maxAscent() / 2;
619 ColorCode col = change.color();
621 pi_.pain.line(int(x_) + 1, yo_ + 2, int(x_) + 1, yo_ + 2 - length, col,
622 Painter::line_solid, Painter::line_thick);
624 if (change.deleted()) {
625 pi_.pain.line(int(x_) + 1 - length, yo_ + 2, int(x_) + 1 + length,
626 yo_ + 2, col, Painter::line_solid, Painter::line_thick);
628 pi_.pain.line(int(x_) + 1 - length, yo_ + 2, int(x_) + 1,
629 yo_ + 2, col, Painter::line_solid, Painter::line_thick);
638 case END_LABEL_FILLED_BOX: {
639 FontInfo const font = labelFont();
640 FontMetrics const & fm = theFontMetrics(font);
641 int const size = int(0.75 * fm.maxAscent());
642 int const y = yo_ - size;
643 int const max_row_width = width_ - size - Inset::TEXT_TO_INSET_OFFSET;
644 int x = is_rtl ? nestMargin() + changebarMargin()
645 : max_row_width - text_metrics_.rightMargin(pm_);
647 // If needed, move the box a bit to avoid overlapping with text.
648 int const rem = max_row_width - row_.width();
650 x += is_rtl ? rem : - rem;
652 if (endlabel == END_LABEL_BOX)
653 pi_.pain.rectangle(x, y, size, size, Color_eolmarker);
655 pi_.pain.fillRectangle(x, y, size, size, Color_eolmarker);
659 case END_LABEL_STATIC: {
660 FontInfo const font = labelFont();
661 FontMetrics const & fm = theFontMetrics(font);
662 docstring const & str = par_.layout().endlabelstring();
663 double const x = is_rtl ?
665 : - text_metrics_.rightMargin(pm_) - row_.width();
666 pi_.pain.text(int(x), yo_, str, font);
670 case END_LABEL_NO_LABEL:
676 void RowPainter::paintOnlyInsets()
678 pos_type const end = row_.endpos();
679 for (pos_type pos = row_.pos(); pos != end; ++pos) {
680 // If outer row has changed, nested insets are repaint completely.
681 Inset const * inset = par_.getInset(pos);
684 if (x_ > pi_.base.bv->workWidth())
686 x_ = pi_.base.bv->coordCache().getInsets().x(inset);
688 bool const pi_selected = pi_.selected;
689 Cursor const & cur = pi_.base.bv->cursor();
690 if (cur.selection() && cur.text() == &text_
691 && cur.anchor().text() == &text_)
692 pi_.selected = row_.sel_beg <= pos && row_.sel_end > pos;
693 paintInset(inset, pos);
694 pi_.selected = pi_selected;
699 void RowPainter::paintText()
701 pos_type const end = row_.endpos();
702 // Spaces at logical line breaks in bidi text must be skipped during
703 // painting. However, they may appear visually in the middle
704 // of a row; they must be skipped, wherever they are...
705 // * logically "abc_[HEBREW_\nHEBREW]"
706 // * visually "abc_[_WERBEH\nWERBEH]"
707 pos_type skipped_sep_vpos = -1;
708 pos_type body_pos = par_.beginOfBody();
710 (body_pos > end || !par_.isLineSeparator(body_pos - 1))) {
714 Layout const & layout = par_.layout();
716 Change change_running;
717 int change_last_x = 0;
719 // check for possible inline completion
720 DocIterator const & inlineCompletionPos = pi_.base.bv->inlineCompletionPos();
721 pos_type inlineCompletionVPos = -1;
722 if (inlineCompletionPos.inTexted()
723 && inlineCompletionPos.text() == &text_
724 && inlineCompletionPos.pit() == pit_
725 && inlineCompletionPos.pos() - 1 >= row_.pos()
726 && inlineCompletionPos.pos() - 1 < row_.endpos()) {
727 // draw logically behind the previous character
728 inlineCompletionVPos = bidi_.log2vis(inlineCompletionPos.pos() - 1);
731 // Use font span to speed things up, see below
735 // If the last logical character is a separator, don't paint it, unless
736 // it's in the last row of a paragraph; see skipped_sep_vpos declaration
737 if (end > 0 && end < par_.size() && par_.isSeparator(end - 1))
738 skipped_sep_vpos = bidi_.log2vis(end - 1);
740 for (pos_type vpos = row_.pos(); vpos < end; ) {
741 if (x_ > pi_.base.bv->workWidth())
744 // Skip the separator at the logical end of the row
745 if (vpos == skipped_sep_vpos) {
750 pos_type const pos = bidi_.vis2log(vpos);
752 if (pos >= par_.size()) {
757 // Use font span to speed things up, see above
758 if (vpos < font_span.first || vpos > font_span.last) {
759 font_span = par_.fontSpan(vpos);
760 font = text_metrics_.displayFont(pit_, vpos);
762 // split font span if inline completion is inside
763 if (font_span.first <= inlineCompletionVPos
764 && font_span.last > inlineCompletionVPos)
765 font_span.last = inlineCompletionVPos;
768 const int width_pos = pm_.singleWidth(pos, font);
770 if (x_ + width_pos < 0) {
775 Change const & change = par_.lookupChange(pos);
776 if (change.changed() && !change_running.changed()) {
777 change_running = change;
778 change_last_x = int(x_);
781 Inset const * inset = par_.getInset(pos);
782 bool const highly_editable_inset = inset
783 && inset->editable() == Inset::HIGHLY_EDITABLE;
785 // If we reach the end of a change or if the author changes, paint it.
786 // We also don't paint across things like tables
787 if (change_running.changed() && (highly_editable_inset
788 || !change.changed() || !change_running.isSimilarTo(change))) {
789 // Calculate 1/3 height of the buffer's default font
790 FontMetrics const & fm
791 = theFontMetrics(pi_.base.bv->buffer().params().getFont());
792 int const y_bar = change_running.deleted() ?
793 yo_ - fm.maxAscent() / 3 : yo_ + fm.maxAscent() / 6;
794 pi_.pain.line(change_last_x, y_bar, int(x_), y_bar,
795 change_running.color(), Painter::line_solid,
798 // Change might continue with a different author or type
799 if (change.changed() && !highly_editable_inset) {
800 change_running = change;
801 change_last_x = int(x_);
803 change_running.setUnchanged();
806 if (body_pos > 0 && pos == body_pos - 1) {
807 int const lwidth = theFontMetrics(labelFont())
808 .width(layout.labelsep);
810 x_ += row_.label_hfill + lwidth - width_pos;
813 // Is the inline completion in front of character?
814 if (font.isRightToLeft() && vpos == inlineCompletionVPos)
815 paintInlineCompletion(font);
817 if (par_.isSeparator(pos)) {
818 Font const orig_font = text_metrics_.displayFont(pit_, pos);
819 double const orig_x = x_;
822 x_ += row_.separator;
823 paintForeignMark(orig_x, orig_font.language());
827 // If outer row has changed, nested insets are repaint completely.
828 pi_.base.bv->coordCache().insets().add(inset, int(x_), yo_);
830 bool const pi_selected = pi_.selected;
831 Cursor const & cur = pi_.base.bv->cursor();
832 if (cur.selection() && cur.text() == &text_
833 && cur.anchor().text() == &text_)
834 pi_.selected = row_.sel_beg <= pos && row_.sel_end > pos;
835 paintInset(inset, pos);
836 pi_.selected = pi_selected;
840 // paint as many characters as possible.
844 // Is the inline completion after character?
845 if (!font.isRightToLeft() && vpos - 1 == inlineCompletionVPos)
846 paintInlineCompletion(font);
849 // if we reach the end of a struck out range, paint it
850 if (change_running.changed()) {
851 FontMetrics const & fm
852 = theFontMetrics(pi_.base.bv->buffer().params().getFont());
853 int const y_bar = change_running.deleted() ?
854 yo_ - fm.maxAscent() / 3 : yo_ + fm.maxAscent() / 6;
855 pi_.pain.line(change_last_x, y_bar, int(x_), y_bar,
856 change_running.color(), Painter::line_solid, Painter::line_thin);
857 change_running.setUnchanged();
862 void RowPainter::paintInlineCompletion(Font const & font)
864 docstring completion = pi_.base.bv->inlineCompletion();
865 FontInfo f = font.fontInfo();
866 bool rtl = font.isRightToLeft();
868 // draw the unique and the non-unique completion part
869 // Note: this is not time-critical as it is
870 // only done once per screen.
871 size_t uniqueTo = pi_.base.bv->inlineCompletionUniqueChars();
872 docstring s1 = completion.substr(0, uniqueTo);
873 docstring s2 = completion.substr(uniqueTo);
874 ColorCode c1 = Color_inlinecompletion;
875 ColorCode c2 = Color_nonunique_inlinecompletion;
885 pi_.pain.text(int(x_), yo_, s1, f);
886 x_ += theFontMetrics(font).width(s1);
891 pi_.pain.text(int(x_), yo_, s2, f);
892 x_ += theFontMetrics(font).width(s2);