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"
29 #include "MetricsInfo.h"
30 #include "Paragraph.h"
31 #include "ParagraphMetrics.h"
32 #include "ParagraphParameters.h"
33 #include "TextMetrics.h"
36 #include "frontends/FontMetrics.h"
37 #include "frontends/Painter.h"
39 #include "insets/InsetText.h"
41 #include "support/debug.h"
42 #include "support/gettext.h"
43 #include "support/textutils.h"
45 #include "support/lassert.h"
46 #include <boost/crc.hpp>
52 using frontend::Painter;
53 using frontend::FontMetrics;
55 RowPainter::RowPainter(PainterInfo & pi,
56 Text const & text, pit_type pit, Row const & row, Bidi & bidi, int x, int y)
57 : pi_(pi), text_(text),
58 text_metrics_(pi_.base.bv->textMetrics(&text)),
59 pars_(text.paragraphs()),
60 row_(row), pit_(pit), par_(text.paragraphs()[pit]),
61 pm_(text_metrics_.parMetrics(pit)),
62 bidi_(bidi), change_(pi_.change_),
63 xo_(x), yo_(y), width_(text_metrics_.width())
65 bidi_.computeTables(par_, pi_.base.bv->buffer(), row_);
68 //lyxerr << "RowPainter: x: " << x_ << " xo: " << xo_ << " yo: " << yo_ << endl;
71 LASSERT(pit >= 0, /**/);
72 LASSERT(pit < int(text.paragraphs().size()), /**/);
76 FontInfo RowPainter::labelFont() const
78 FontInfo f = text_.labelFont(par_);
80 if (row_.begin_margin_sel || pi_.selected)
81 f.setPaintColor(Color_selectiontext);
86 int RowPainter::leftMargin() const
88 return text_metrics_.leftMargin(text_metrics_.width(), pit_,
92 // If you want to debug inset metrics uncomment the following line:
93 //#define DEBUG_METRICS
94 // This draws green lines around each inset.
97 void RowPainter::paintInset(Inset const * inset, pos_type const pos)
99 Font const font = text_metrics_.displayFont(pit_, pos);
101 LASSERT(inset, return);
102 // Backup full_repaint status because some insets (InsetTabular)
103 // requires a full repaint
104 bool pi_full_repaint = pi_.full_repaint;
106 // FIXME: text_metrics_.width() is only about 1.0857 * mi.base.textwidth
107 pi_.base.textwidth = text_metrics_.width();
109 // FIXME: We should always use font, see documentation of
110 // noFontChange() in Inset.h.
111 pi_.base.font = inset->noFontChange() ?
112 pi_.base.bv->buffer().params().getFont().fontInfo() :
114 pi_.ltr_pos = (bidi_.level(pos) % 2 == 0);
115 pi_.change_ = change_.changed() ? change_ : par_.lookupChange(pos);
117 int const x1 = int(x_);
118 pi_.base.bv->coordCache().insets().add(inset, x1, yo_);
119 // insets are painted completely. Recursive
120 inset->drawBackground(pi_, x1, yo_);
121 inset->drawSelection(pi_, x1, yo_);
122 inset->draw(pi_, x1, yo_);
124 Dimension const & dim = pm_.insetDimension(inset);
126 paintForeignMark(x_, font.language(), dim.descent());
130 // Restore full_repaint status.
131 pi_.full_repaint = pi_full_repaint;
134 int const x2 = x1 + dim.wid;
135 int const y1 = yo_ + dim.des;
136 int const y2 = yo_ - dim.asc;
137 pi_.pain.line(x1, y1, x1, y2, Color_green);
138 pi_.pain.line(x1, y1, x2, y1, Color_green);
139 pi_.pain.line(x2, y1, x2, y2, Color_green);
140 pi_.pain.line(x1, y2, x2, y2, Color_green);
145 void RowPainter::paintHebrewComposeChar(pos_type & vpos, FontInfo const & font)
147 pos_type pos = bidi_.vis2log(vpos);
152 char_type c = par_.getChar(pos);
156 int const width = theFontMetrics(font).width(c);
159 for (pos_type i = pos - 1; i >= 0; --i) {
161 if (!Encodings::isHebrewComposeChar(c)) {
162 if (isPrintableNonspace(c)) {
163 int const width2 = pm_.singleWidth(i,
164 text_metrics_.displayFont(pit_, i));
165 dx = (c == 0x05e8 || // resh
166 c == 0x05d3) // dalet
168 : (width2 - width) / 2;
175 pi_.pain.text(int(x_) + dx, yo_, str, font);
179 void RowPainter::paintArabicComposeChar(pos_type & vpos, FontInfo const & font)
181 pos_type pos = bidi_.vis2log(vpos);
185 char_type c = par_.getChar(pos);
186 c = par_.transformChar(c, pos);
190 int const width = theFontMetrics(font).width(c);
193 for (pos_type i = pos - 1; i >= 0; --i) {
195 if (!Encodings::isArabicComposeChar(c)) {
196 if (isPrintableNonspace(c)) {
197 int const width2 = pm_.singleWidth(i,
198 text_metrics_.displayFont(pit_, i));
199 dx = (width2 - width) / 2;
205 pi_.pain.text(int(x_) + dx, yo_, str, font);
209 void RowPainter::paintChars(pos_type & vpos, FontInfo const & font,
210 bool hebrew, bool arabic)
212 // This method takes up 70% of time when typing
213 pos_type pos = bidi_.vis2log(vpos);
215 vector<char_type> str;
217 str.push_back(par_.getChar(pos));
220 char_type c = str[0];
225 str[0] = par_.transformChar(c, pos);
228 pos_type const end = row_.endpos();
229 FontSpan const font_span = par_.fontSpan(pos);
230 // Track-change status.
231 Change const & change_running = par_.lookupChange(pos);
234 bool const selection = (pos >= row_.sel_beg && pos < row_.sel_end)
238 bool const spell_state =
239 lyxrc.spellcheck_continuously && par_.isMisspelled(pos);
241 char_type prev_char = ' ';
242 // collect as much similar chars as we can
243 for (++vpos ; vpos < end ; ++vpos) {
244 pos = bidi_.vis2log(vpos);
245 if (pos < font_span.first || pos > font_span.last)
248 bool const new_selection = pos >= row_.sel_beg && pos < row_.sel_end;
249 if (new_selection != selection)
250 // Selection ends or starts here.
253 bool const new_spell_state =
254 lyxrc.spellcheck_continuously && par_.isMisspelled(pos);
255 if (new_spell_state != spell_state)
256 // Spell checker state changed here.
259 Change const & change = par_.lookupChange(pos);
260 if (!change_running.isSimilarTo(change))
261 // Track change type or author has changed.
264 char_type c = par_.getChar(pos);
266 if (c == '\t' || prev_char == '\t') {
271 if (!isPrintableNonspace(c))
274 /* Because we do our own bidi, at this point the strings are
275 * already in visual order. However, Qt also applies its own
276 * bidi algorithm to strings that it paints to the screen.
277 * Therefore, if we were to paint Hebrew/Arabic words as a
278 * single string, the letters in the words would get reversed
279 * again. In order to avoid that, we don't collect Hebrew/
280 * Arabic characters, but rather paint them one at a time.
281 * See also http://thread.gmane.org/gmane.editors.lyx.devel/79740
286 /* FIXME: these checks are irrelevant, since 'arabic' and
287 * 'hebrew' alone are already going to trigger a break.
288 * However, this should not be removed completely, because
289 * if an alternative solution is found which allows grouping
290 * of arabic and hebrew characters, then these breaks may have
293 if (arabic && Encodings::isArabicComposeChar(c))
296 if (hebrew && Encodings::isHebrewComposeChar(c))
305 c = par_.transformChar(c, pos);
306 /* see comment in hebrew, explaining why we break */
313 docstring s(&str[0], str.size());
316 s.replace(0,1,from_ascii(" "));
318 if (!selection && !change_running.changed()) {
319 x_ += pi_.pain.text(int(x_), yo_, s, font);
323 FontInfo copy = font;
324 if (change_running.changed())
325 copy.setPaintColor(change_running.color());
327 copy.setPaintColor(Color_selectiontext);
329 x_ += pi_.pain.text(int(x_), yo_, s, copy);
333 void RowPainter::paintForeignMark(double orig_x, Language const * lang,
336 if (!lyxrc.mark_foreign_language)
338 if (lang == latex_language)
340 if (lang == pi_.base.bv->buffer().params().language)
343 int const y = yo_ + 1 + desc;
344 pi_.pain.line(int(orig_x), y, int(x_), y, Color_language);
348 void RowPainter::paintMisspelledMark(double orig_x, int desc)
350 int const y = yo_ + desc;
351 pi_.pain.line(int(orig_x), y, int(x_), y, Color_red, Painter::line_onoffdash, 0.5);
355 void RowPainter::paintFromPos(pos_type & vpos)
357 pos_type const pos = bidi_.vis2log(vpos);
358 Font const orig_font = text_metrics_.displayFont(pit_, pos);
359 double const orig_x = x_;
361 // usual characters, no insets
362 char_type const c = par_.getChar(pos);
364 // special case languages
365 string const & lang = orig_font.language()->lang();
366 bool const hebrew = lang == "hebrew";
367 bool const arabic = lang == "arabic_arabtex" || lang == "arabic_arabi" ||
371 bool const misspelled_ =
372 lyxrc.spellcheck_continuously && par_.isMisspelled(pos);
374 // draw as many chars as we can
375 if ((!hebrew && !arabic)
376 || (hebrew && !Encodings::isHebrewComposeChar(c))
377 || (arabic && !Encodings::isArabicComposeChar(c))) {
378 paintChars(vpos, orig_font.fontInfo(), hebrew, arabic);
380 paintHebrewComposeChar(vpos, orig_font.fontInfo());
382 paintArabicComposeChar(vpos, orig_font.fontInfo());
385 paintForeignMark(orig_x, orig_font.language());
387 if (lyxrc.spellcheck_continuously && misspelled_) {
388 paintMisspelledMark(orig_x, 2);
393 void RowPainter::paintChangeBar()
395 pos_type const start = row_.pos();
396 pos_type end = row_.endpos();
398 if (par_.size() == end) {
399 // this is the last row of the paragraph;
400 // thus, we must also consider the imaginary end-of-par character
404 if (start == end || !par_.isChanged(start, end))
407 int const height = text_metrics_.isLastRow(pit_, row_)
411 pi_.pain.fillRectangle(5, yo_ - row_.ascent(), 3, height, Color_changebar);
415 void RowPainter::paintAppendix()
417 // only draw the appendix frame once (for the main text)
418 if (!par_.params().appendix() || !text_.isMainText())
421 int y = yo_ - row_.ascent();
423 if (par_.params().startOfAppendix())
424 y += 2 * defaultRowHeight();
426 pi_.pain.line(1, y, 1, yo_ + row_.height(), Color_appendix);
427 pi_.pain.line(width_ - 2, y, width_ - 2, yo_ + row_.height(), Color_appendix);
431 void RowPainter::paintDepthBar()
433 depth_type const depth = par_.getDepth();
438 depth_type prev_depth = 0;
439 if (!text_metrics_.isFirstRow(pit_, row_)) {
440 pit_type pit2 = pit_;
443 prev_depth = pars_[pit2].getDepth();
446 depth_type next_depth = 0;
447 if (!text_metrics_.isLastRow(pit_, row_)) {
448 pit_type pit2 = pit_;
449 if (row_.endpos() >= pars_[pit2].size())
451 next_depth = pars_[pit2].getDepth();
454 for (depth_type i = 1; i <= depth; ++i) {
455 int const w = nestMargin() / 5;
456 int x = int(xo_) + w * i;
457 // only consider the changebar space if we're drawing outermost text
458 if (text_.isMainText())
459 x += changebarMargin();
461 int const starty = yo_ - row_.ascent();
462 int const h = row_.height() - 1 - (i - next_depth - 1) * 3;
464 pi_.pain.line(x, starty, x, starty + h, Color_depthbar);
467 pi_.pain.fillRectangle(x, starty, w, 2, Color_depthbar);
469 pi_.pain.fillRectangle(x, starty + h, w, 2, Color_depthbar);
474 int RowPainter::paintAppendixStart(int y)
476 FontInfo pb_font = sane_font;
477 pb_font.setColor(Color_appendix);
484 docstring const label = _("Appendix");
485 theFontMetrics(pb_font).rectText(label, w, a, d);
487 int const text_start = int(xo_ + (width_ - w) / 2);
488 int const text_end = text_start + w;
490 pi_.pain.rectText(text_start, y + d, label, pb_font, Color_none, Color_none);
492 pi_.pain.line(int(xo_ + 1), y, text_start, y, Color_appendix);
493 pi_.pain.line(text_end, y, int(xo_ + width_ - 2), y, Color_appendix);
495 return 3 * defaultRowHeight();
499 void RowPainter::paintFirst()
501 ParagraphParameters const & pparams = par_.params();
502 Buffer const & buffer = pi_.base.bv->buffer();
503 BufferParams const & bparams = buffer.params();
504 Layout const & layout = par_.layout();
508 // start of appendix?
509 if (pparams.startOfAppendix())
510 y_top += paintAppendixStart(yo_ - row_.ascent() + 2 * defaultRowHeight());
512 if (bparams.paragraph_separation == BufferParams::ParagraphSkipSeparation
514 if (layout.latextype == LATEX_PARAGRAPH
515 && !par_.getDepth()) {
516 y_top += bparams.getDefSkip().inPixels(*pi_.base.bv);
518 Layout const & playout = pars_[pit_ - 1].layout();
519 if (playout.latextype == LATEX_PARAGRAPH
520 && !pars_[pit_ - 1].getDepth()) {
521 // is it right to use defskip here, too? (AS)
522 y_top += bparams.getDefSkip().inPixels(*pi_.base.bv);
527 bool const is_rtl = text_.isRTL(par_);
528 bool const is_seq = text_.isFirstInSequence(pit_);
529 //lyxerr << "paintFirst: " << par_.id() << " is_seq: " << is_seq << endl;
531 // should we print a label?
532 if (layout.labeltype >= LABEL_STATIC
533 && (layout.labeltype != LABEL_STATIC
534 || layout.latextype != LATEX_ENVIRONMENT
537 FontInfo const font = labelFont();
538 FontMetrics const & fm = theFontMetrics(font);
540 docstring const str = par_.labelString();
544 // this is special code for the chapter layout. This is
545 // printed in an extra row and has a pagebreak at
547 if (layout.counter == "chapter") {
548 double spacing_val = 1.0;
549 if (!pparams.spacing().isDefault()) {
550 spacing_val = pparams.spacing().getValue();
552 spacing_val = bparams.spacing().getValue();
555 int const labeladdon = int(fm.maxHeight() * layout.spacing.getValue() * spacing_val);
557 int const maxdesc = int(fm.maxDescent() * layout.spacing.getValue() * spacing_val)
558 + int(layout.parsep) * defaultRowHeight();
561 x = width_ - leftMargin() -
565 pi_.pain.text(int(x), yo_ - maxdesc - labeladdon, str, font);
568 x = width_ - leftMargin()
569 + fm.width(layout.labelsep);
571 x = x_ - fm.width(layout.labelsep)
575 pi_.pain.text(int(x), yo_, str, font);
579 // the labels at the top of an environment.
580 // More or less for bibliography
582 (layout.labeltype == LABEL_TOP_ENVIRONMENT ||
583 layout.labeltype == LABEL_BIBLIO ||
584 layout.labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)) {
585 FontInfo const font = labelFont();
586 docstring const str = par_.labelString();
588 double spacing_val = 1.0;
589 if (!pparams.spacing().isDefault())
590 spacing_val = pparams.spacing().getValue();
592 spacing_val = bparams.spacing().getValue();
594 FontMetrics const & fm = theFontMetrics(font);
596 int const labeladdon = int(fm.maxHeight()
597 * layout.spacing.getValue() * spacing_val);
600 int(fm.maxDescent() * layout.spacing.getValue() * spacing_val
601 + (layout.labelbottomsep * defaultRowHeight()));
604 if (layout.labeltype == LABEL_CENTERED_TOP_ENVIRONMENT) {
607 x += (width_ - text_metrics_.rightMargin(pm_) - leftMargin()) / 2;
608 x -= fm.width(str) / 2;
610 x = width_ - leftMargin() - fm.width(str);
612 pi_.pain.text(int(x), yo_ - maxdesc - labeladdon, str, font);
618 /** Check if the current paragraph is the last paragraph in a
620 static int getEndLabel(pit_type p, Text const & text)
622 ParagraphList const & pars = text.paragraphs();
624 depth_type par_depth = pars[p].getDepth();
625 while (pit != pit_type(pars.size())) {
626 Layout const & layout = pars[pit].layout();
627 int const endlabeltype = layout.endlabeltype;
629 if (endlabeltype != END_LABEL_NO_LABEL) {
630 if (p + 1 == pit_type(pars.size()))
633 depth_type const next_depth =
634 pars[p + 1].getDepth();
635 if (par_depth > next_depth ||
636 (par_depth == next_depth && layout != pars[p + 1].layout()))
642 pit = text.outerHook(pit);
643 if (pit != pit_type(pars.size()))
644 par_depth = pars[pit].getDepth();
646 return END_LABEL_NO_LABEL;
650 void RowPainter::paintLast()
652 bool const is_rtl = text_.isRTL(par_);
653 int const endlabel = getEndLabel(pit_, text_);
655 // paint imaginary end-of-paragraph character
657 Change const & change = par_.lookupChange(par_.size());
658 if (change.changed()) {
659 FontMetrics const & fm =
660 theFontMetrics(pi_.base.bv->buffer().params().getFont());
661 int const length = fm.maxAscent() / 2;
662 Color col = change.color();
664 pi_.pain.line(int(x_) + 1, yo_ + 2, int(x_) + 1, yo_ + 2 - length, col,
665 Painter::line_solid, 3);
667 if (change.deleted()) {
668 pi_.pain.line(int(x_) + 1 - length, yo_ + 2, int(x_) + 1 + length,
669 yo_ + 2, col, Painter::line_solid, 3);
671 pi_.pain.line(int(x_) + 1 - length, yo_ + 2, int(x_) + 1,
672 yo_ + 2, col, Painter::line_solid, 3);
680 case END_LABEL_FILLED_BOX: {
681 FontInfo const font = labelFont();
682 FontMetrics const & fm = theFontMetrics(font);
683 int const size = int(0.75 * fm.maxAscent());
684 int const y = yo_ - size;
685 int const max_row_width = width_ - size - Inset::TEXT_TO_INSET_OFFSET;
686 int x = is_rtl ? nestMargin() + changebarMargin()
687 : max_row_width - text_metrics_.rightMargin(pm_);
689 // If needed, move the box a bit to avoid overlapping with text.
690 int const rem = max_row_width - row_.width();
692 x += is_rtl ? rem : - rem;
694 if (endlabel == END_LABEL_BOX)
695 pi_.pain.rectangle(x, y, size, size, Color_eolmarker);
697 pi_.pain.fillRectangle(x, y, size, size, Color_eolmarker);
701 case END_LABEL_STATIC: {
702 FontInfo const font = labelFont();
703 FontMetrics const & fm = theFontMetrics(font);
704 docstring const & str = par_.layout().endlabelstring();
705 double const x = is_rtl ? x_ - fm.width(str) : x_;
706 pi_.pain.text(int(x), yo_, str, font);
710 case END_LABEL_NO_LABEL:
711 if (lyxrc.paragraph_markers && size_type(pit_ + 1) < pars_.size()) {
712 docstring const s = docstring(1, char_type(0x00B6));
713 FontInfo f = FontInfo();
714 FontMetrics const & fm = theFontMetrics(f);
715 f.setColor(Color_paragraphmarker);
716 pi_.pain.text(int(x_), yo_, s, f);
724 void RowPainter::paintOnlyInsets()
726 CoordCache const & cache = pi_.base.bv->coordCache();
727 pos_type const end = row_.endpos();
728 for (pos_type pos = row_.pos(); pos != end; ++pos) {
729 // If outer row has changed, nested insets are repaint completely.
730 Inset const * inset = par_.getInset(pos);
733 if (x_ > pi_.base.bv->workWidth()
734 || !cache.getInsets().has(inset))
736 x_ = cache.getInsets().x(inset);
738 bool const pi_selected = pi_.selected;
739 Cursor const & cur = pi_.base.bv->cursor();
740 if (cur.selection() && cur.text() == &text_
741 && cur.normalAnchor().text() == &text_)
742 pi_.selected = row_.sel_beg <= pos && row_.sel_end > pos;
743 paintInset(inset, pos);
744 pi_.selected = pi_selected;
749 void RowPainter::paintText()
751 pos_type const end = row_.endpos();
752 // Spaces at logical line breaks in bidi text must be skipped during
753 // painting. However, they may appear visually in the middle
754 // of a row; they must be skipped, wherever they are...
755 // * logically "abc_[HEBREW_\nHEBREW]"
756 // * visually "abc_[_WERBEH\nWERBEH]"
757 pos_type skipped_sep_vpos = -1;
758 pos_type body_pos = par_.beginOfBody();
760 (body_pos > end || !par_.isLineSeparator(body_pos - 1))) {
764 Layout const & layout = par_.layout();
766 Change change_running;
767 int change_last_x = 0;
769 // check for possible inline completion
770 DocIterator const & inlineCompletionPos = pi_.base.bv->inlineCompletionPos();
771 pos_type inlineCompletionVPos = -1;
772 if (inlineCompletionPos.inTexted()
773 && inlineCompletionPos.text() == &text_
774 && inlineCompletionPos.pit() == pit_
775 && inlineCompletionPos.pos() - 1 >= row_.pos()
776 && inlineCompletionPos.pos() - 1 < row_.endpos()) {
777 // draw logically behind the previous character
778 inlineCompletionVPos = bidi_.log2vis(inlineCompletionPos.pos() - 1);
781 // Use font span to speed things up, see below
785 // If the last logical character is a separator, don't paint it, unless
786 // it's in the last row of a paragraph; see skipped_sep_vpos declaration
787 if (end > 0 && end < par_.size() && par_.isSeparator(end - 1))
788 skipped_sep_vpos = bidi_.log2vis(end - 1);
790 for (pos_type vpos = row_.pos(); vpos < end; ) {
791 if (x_ > pi_.base.bv->workWidth())
794 // Skip the separator at the logical end of the row
795 if (vpos == skipped_sep_vpos) {
800 pos_type const pos = bidi_.vis2log(vpos);
802 if (pos >= par_.size()) {
807 // Use font span to speed things up, see above
808 if (vpos < font_span.first || vpos > font_span.last) {
809 font_span = par_.fontSpan(vpos);
810 font = text_metrics_.displayFont(pit_, vpos);
812 // split font span if inline completion is inside
813 if (font_span.first <= inlineCompletionVPos
814 && font_span.last > inlineCompletionVPos)
815 font_span.last = inlineCompletionVPos;
818 const int width_pos = pm_.singleWidth(pos, font);
820 if (x_ + width_pos < 0) {
825 Change const & change = par_.lookupChange(pos);
826 if (change.changed() && !change_running.changed()) {
827 change_running = change;
828 change_last_x = int(x_);
831 Inset const * inset = par_.getInset(pos);
832 bool const highly_editable_inset = inset
833 && inset->editable();
835 // If we reach the end of a change or if the author changes, paint it.
836 // We also don't paint across things like tables
837 if (change_running.changed() && (highly_editable_inset
838 || !change.changed() || !change_running.isSimilarTo(change))) {
839 // Calculate 1/3 height of the buffer's default font
840 FontMetrics const & fm
841 = theFontMetrics(pi_.base.bv->buffer().params().getFont());
842 int const y_bar = change_running.deleted() ?
843 yo_ - fm.maxAscent() / 3 : yo_ + fm.maxAscent() / 6;
844 pi_.pain.line(change_last_x, y_bar, int(x_), y_bar,
845 change_running.color(), Painter::line_solid, 0.5);
847 // Change might continue with a different author or type
848 if (change.changed() && !highly_editable_inset) {
849 change_running = change;
850 change_last_x = int(x_);
852 change_running.setUnchanged();
855 if (body_pos > 0 && pos == body_pos - 1) {
856 int const lwidth = theFontMetrics(labelFont())
857 .width(layout.labelsep);
859 x_ += row_.label_hfill + lwidth - width_pos;
862 // Is the inline completion in front of character?
863 if (font.isRightToLeft() && vpos == inlineCompletionVPos)
864 paintInlineCompletion(font);
866 if (par_.isSeparator(pos)) {
867 Font const orig_font = text_metrics_.displayFont(pit_, pos);
868 double const orig_x = x_;
871 x_ += row_.separator;
872 paintForeignMark(orig_x, orig_font.language());
876 // If outer row has changed, nested insets are repaint completely.
877 pi_.base.bv->coordCache().insets().add(inset, int(x_), yo_);
879 bool const pi_selected = pi_.selected;
880 Cursor const & cur = pi_.base.bv->cursor();
881 if (cur.selection() && cur.text() == &text_
882 && cur.normalAnchor().text() == &text_)
883 pi_.selected = row_.sel_beg <= pos && row_.sel_end > pos;
884 paintInset(inset, pos);
885 pi_.selected = pi_selected;
889 // paint as many characters as possible.
893 // Is the inline completion after character?
894 if (!font.isRightToLeft() && vpos - 1 == inlineCompletionVPos)
895 paintInlineCompletion(font);
898 // if we reach the end of a struck out range, paint it
899 if (change_running.changed()) {
900 FontMetrics const & fm
901 = theFontMetrics(pi_.base.bv->buffer().params().getFont());
902 int const y_bar = change_running.deleted() ?
903 yo_ - fm.maxAscent() / 3 : yo_ + fm.maxAscent() / 6;
904 pi_.pain.line(change_last_x, y_bar, int(x_), y_bar,
905 change_running.color(), Painter::line_solid, 0.5);
906 change_running.setUnchanged();
911 void RowPainter::paintInlineCompletion(Font const & font)
913 docstring completion = pi_.base.bv->inlineCompletion();
914 FontInfo f = font.fontInfo();
915 bool rtl = font.isRightToLeft();
917 // draw the unique and the non-unique completion part
918 // Note: this is not time-critical as it is
919 // only done once per screen.
920 size_t uniqueTo = pi_.base.bv->inlineCompletionUniqueChars();
921 docstring s1 = completion.substr(0, uniqueTo);
922 docstring s2 = completion.substr(uniqueTo);
923 ColorCode c1 = Color_inlinecompletion;
924 ColorCode c2 = Color_nonunique_inlinecompletion;
934 pi_.pain.text(int(x_), yo_, s1, f);
935 x_ += theFontMetrics(font).width(s1);
940 pi_.pain.text(int(x_), yo_, s2, f);
941 x_ += theFontMetrics(font).width(s2);