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"
18 #include "CoordCache.h"
20 #include "BufferParams.h"
21 #include "BufferView.h"
27 #include "MetricsInfo.h"
28 #include "Paragraph.h"
29 #include "ParagraphMetrics.h"
30 #include "ParagraphParameters.h"
31 #include "TextMetrics.h"
34 #include "frontends/FontMetrics.h"
35 #include "frontends/Painter.h"
37 #include "insets/InsetText.h"
39 #include "mathed/InsetMath.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;
56 RowPainter::RowPainter(PainterInfo & pi,
57 Text const & text, pit_type pit, Row const & row, 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)), change_(pi_.change_),
63 xo_(x), yo_(y), width_(text_metrics_.width()),
64 solid_line_thickness_(1.0), solid_line_offset_(1),
65 dotted_line_thickness_(1.0), dotted_line_offset_(2)
67 bidi_.computeTables(par_, pi_.base.bv->buffer(), row_);
69 if (lyxrc.zoom >= 200) {
70 // derive the line thickness from zoom factor
71 // the zoom is given in percent
72 // (increase thickness at 250%, 450% etc.)
73 solid_line_thickness_ = (float)(int((lyxrc.zoom + 50) / 200.0));
74 // adjust line_offset_ too
75 solid_line_offset_ = 1 + int(0.5 * solid_line_thickness_);
77 if (lyxrc.zoom >= 100) {
78 // derive the line thickness from zoom factor
79 // the zoom is given in percent
80 // (increase thickness at 150%, 250% etc.)
81 dotted_line_thickness_ = (float)(int((lyxrc.zoom + 50) / 100.0));
82 // adjust line_offset_ too
83 dotted_line_offset_ = int(0.5 * dotted_line_thickness_) + 1;
86 x_ = row_.left_margin + xo_;
88 //lyxerr << "RowPainter: x: " << x_ << " xo: " << xo_ << " yo: " << yo_ << endl;
92 LBUFERR(pit < int(text.paragraphs().size()));
96 FontInfo RowPainter::labelFont() const
98 FontInfo f = text_.labelFont(par_);
100 if (row_.begin_margin_sel || pi_.selected)
101 f.setPaintColor(Color_selectiontext);
106 int RowPainter::leftMargin() const
108 return text_metrics_.leftMargin(text_metrics_.width(), pit_,
112 // If you want to debug inset metrics uncomment the following line:
113 //#define DEBUG_METRICS
114 // This draws green lines around each inset.
117 void RowPainter::paintInset(Inset const * inset, pos_type const pos)
119 Font const font = text_metrics_.displayFont(pit_, pos);
121 LASSERT(inset, return);
122 // Backup full_repaint status because some insets (InsetTabular)
123 // requires a full repaint
124 bool pi_full_repaint = pi_.full_repaint;
126 pi_.base.font = inset->inheritFont() ? font.fontInfo() :
127 pi_.base.bv->buffer().params().getFont().fontInfo();
128 pi_.ltr_pos = (bidi_.level(pos) % 2 == 0);
129 Change prev_change = change_;
130 pi_.change_ = change_.changed() ? change_ : par_.lookupChange(pos);
132 int const x1 = int(x_);
133 pi_.base.bv->coordCache().insets().add(inset, x1, yo_);
134 // insets are painted completely. Recursive
135 // FIXME: it is wrong to completely paint the background
136 // if we want to do single row painting.
137 inset->drawBackground(pi_, x1, yo_);
138 inset->drawSelection(pi_, x1, yo_);
139 inset->draw(pi_, x1, yo_);
141 Dimension const & dim = pm_.insetDimension(inset);
143 paintForeignMark(x_, font.language(), dim.descent());
147 // Restore full_repaint status.
148 pi_.full_repaint = pi_full_repaint;
149 pi_.change_ = prev_change;
152 int const x2 = x1 + dim.wid;
153 int const y1 = yo_ + dim.des;
154 int const y2 = yo_ - dim.asc;
155 pi_.pain.line(x1, y1, x1, y2, Color_green);
156 pi_.pain.line(x1, y1, x2, y1, Color_green);
157 pi_.pain.line(x2, y1, x2, y2, Color_green);
158 pi_.pain.line(x1, y2, x2, y2, Color_green);
163 void RowPainter::paintChars(pos_type & vpos, Font const & font)
165 // This method takes up 70% of time when typing
166 pos_type pos = bidi_.vis2log(vpos);
167 pos_type start_pos = pos;
171 char_type const c = par_.getChar(pos);
174 FontSpan const font_span = par_.fontSpan(pos);
175 // Track-change status.
176 Change const & change_running = par_.lookupChange(pos);
178 bool const spell_state =
179 lyxrc.spellcheck_continuously && par_.isMisspelled(pos);
181 // collect as much similar chars as we can
182 pos_type const end = row_.endpos();
183 for (++vpos ; vpos < end ; ++vpos) {
184 pos = bidi_.vis2log(vpos);
186 if (!font_span.contains(pos))
189 bool const new_spell_state =
190 lyxrc.spellcheck_continuously && par_.isMisspelled(pos);
191 if (new_spell_state != spell_state)
192 // Spell checker state changed here.
195 Change const & change = par_.lookupChange(pos);
196 if (!change_running.isSimilarTo(change))
197 // Track change type or author has changed.
200 char_type const c = par_.getChar(pos);
205 if (!isPrintableNonspace(c))
211 // Make pos point to the last character in the string.
212 // Using "pos = bidi_.vis2log(vpos)" does not work for some reason.
214 pos = bidi_.vis2log(vpos - 1);
216 // Now make pos point to the position _after_ the string.
217 // Using vis2log for that is not a good idea in general, we
218 // want logical ordering.
219 if (font.isVisibleRightToLeft())
225 str.replace(0,1,from_ascii(" "));
227 /* Because we do our own bidi, at this point the strings are
228 * already in visual order. However, Qt also applies its own
229 * bidi algorithm to strings that it paints to the screen.
230 * Therefore, if we were to paint Hebrew/Arabic words as a
231 * single string, the letters in the words would get reversed
232 * again. In order to avoid that, we force LTR drawing.
233 * See also http://thread.gmane.org/gmane.editors.lyx.devel/79740
234 * for an earlier thread on the subject
236 if (font.isVisibleRightToLeft()) {
237 reverse(str.begin(), str.end());
238 // If the string is reversed, the positions need to be adjusted
241 swap(start_pos, pos);
244 // at least part of text selected?
245 bool const some_sel = (pos >= row_.sel_beg && start_pos < row_.sel_end)
247 // all the text selected?
248 bool const all_sel = (start_pos >= row_.sel_beg && pos < row_.sel_end)
253 copy.fontInfo().setPaintColor(Color_selectiontext);
254 x_ += pi_.pain.text(int(x_), yo_, str, copy);
255 } else if (change_running.changed()) {
257 copy.fontInfo().setPaintColor(change_running.color());
258 x_ += pi_.pain.text(int(x_), yo_, str, copy);
259 } else if (!some_sel) {
260 x_ += pi_.pain.text(int(x_), yo_, str, font);
262 x_ += pi_.pain.text(int(x_), yo_, str, font, Color_selectiontext,
263 max(row_.sel_beg, start_pos) - start_pos,
264 min(row_.sel_end, pos) - start_pos);
269 void RowPainter::paintSeparator(double orig_x, double width,
270 FontInfo const & font)
272 pi_.pain.textDecoration(font, int(orig_x), yo_, int(width));
277 void RowPainter::paintForeignMark(double orig_x, Language const * lang,
280 if (!lyxrc.mark_foreign_language)
282 if (lang == latex_language)
284 if (lang == pi_.base.bv->buffer().params().language)
287 int const y = yo_ + solid_line_offset_ + desc + int(solid_line_thickness_/2);
288 pi_.pain.line(int(orig_x), y, int(x_), y, Color_language,
289 Painter::line_solid, solid_line_thickness_);
293 void RowPainter::paintMisspelledMark(double orig_x, bool changed)
295 // if changed the misspelled marker gets placed slightly lower than normal
296 // to avoid drawing at the same vertical offset
297 float const y = yo_ + solid_line_offset_ + solid_line_thickness_
298 + (changed ? solid_line_thickness_ + 1 : 0)
299 + dotted_line_offset_;
300 pi_.pain.line(int(orig_x), int(y), int(x_), int(y), Color_error,
301 Painter::line_onoffdash, dotted_line_thickness_);
305 void RowPainter::paintFromPos(pos_type & vpos, bool changed)
307 pos_type const pos = bidi_.vis2log(vpos);
308 Font const font = text_metrics_.displayFont(pit_, pos);
309 double const orig_x = x_;
311 paintChars(vpos, font);
312 paintForeignMark(orig_x, font.language());
314 // Paint the spelling mark if needed.
315 if (lyxrc.spellcheck_continuously && par_.isMisspelled(pos)) {
316 // check for cursor position
317 // don't draw misspelled marker for words at cursor position
318 // we don't want to disturb the process of text editing
319 BufferView const * bv = pi_.base.bv;
320 DocIterator const nw = bv->cursor().newWord();
321 bool new_word = false;
322 if (!nw.empty() && par_.id() == nw.paragraph().id()) {
323 pos_type cpos = nw.pos();
324 if (cpos > 0 && cpos == par_.size() && !par_.isWordSeparator(cpos-1))
326 else if (cpos > 0 && par_.isWordSeparator(cpos))
328 new_word = par_.isSameSpellRange(pos, cpos) ;
331 paintMisspelledMark(orig_x, changed);
336 void RowPainter::paintChangeBar()
338 pos_type const start = row_.pos();
339 pos_type end = row_.endpos();
341 if (par_.size() == end) {
342 // this is the last row of the paragraph;
343 // thus, we must also consider the imaginary end-of-par character
347 if (start == end || !par_.isChanged(start, end))
350 int const height = text_metrics_.isLastRow(pit_, row_)
354 pi_.pain.fillRectangle(5, yo_ - row_.ascent(), 3, height, Color_changebar);
358 void RowPainter::paintAppendix()
360 // only draw the appendix frame once (for the main text)
361 if (!par_.params().appendix() || !text_.isMainText())
364 int y = yo_ - row_.ascent();
366 if (par_.params().startOfAppendix())
367 y += 2 * defaultRowHeight();
369 pi_.pain.line(1, y, 1, yo_ + row_.height(), Color_appendix);
370 pi_.pain.line(width_ - 2, y, width_ - 2, yo_ + row_.height(), Color_appendix);
374 void RowPainter::paintDepthBar()
376 depth_type const depth = par_.getDepth();
381 depth_type prev_depth = 0;
382 if (!text_metrics_.isFirstRow(pit_, row_)) {
383 pit_type pit2 = pit_;
386 prev_depth = pars_[pit2].getDepth();
389 depth_type next_depth = 0;
390 if (!text_metrics_.isLastRow(pit_, row_)) {
391 pit_type pit2 = pit_;
392 if (row_.endpos() >= pars_[pit2].size())
394 next_depth = pars_[pit2].getDepth();
397 for (depth_type i = 1; i <= depth; ++i) {
398 int const w = nestMargin() / 5;
399 int x = int(xo_) + w * i;
400 // only consider the changebar space if we're drawing outermost text
401 if (text_.isMainText())
402 x += changebarMargin();
404 int const starty = yo_ - row_.ascent();
405 int const h = row_.height() - 1 - (i - next_depth - 1) * 3;
407 pi_.pain.line(x, starty, x, starty + h, Color_depthbar);
410 pi_.pain.fillRectangle(x, starty, w, 2, Color_depthbar);
412 pi_.pain.fillRectangle(x, starty + h, w, 2, Color_depthbar);
417 int RowPainter::paintAppendixStart(int y)
419 FontInfo pb_font = sane_font;
420 pb_font.setColor(Color_appendix);
427 docstring const label = _("Appendix");
428 theFontMetrics(pb_font).rectText(label, w, a, d);
430 int const text_start = int(xo_ + (width_ - w) / 2);
431 int const text_end = text_start + w;
433 pi_.pain.rectText(text_start, y + d, label, pb_font, Color_none, Color_none);
435 pi_.pain.line(int(xo_ + 1), y, text_start, y, Color_appendix);
436 pi_.pain.line(text_end, y, int(xo_ + width_ - 2), y, Color_appendix);
438 return 3 * defaultRowHeight();
442 void RowPainter::paintTooLargeMarks(bool const left, bool const right)
445 pi_.pain.line(int(dotted_line_thickness_), yo_ - row_.ascent(),
446 int(dotted_line_thickness_), yo_ + row_.descent(),
448 Painter::line_onoffdash, dotted_line_thickness_);
450 int const wwidth = pi_.base.bv->workWidth() - int(dotted_line_thickness_);
451 pi_.pain.line(wwidth, yo_ - row_.ascent(),
452 wwidth, yo_ + row_.descent(),
454 Painter::line_onoffdash, dotted_line_thickness_);
459 void RowPainter::paintFirst()
461 BufferParams const & bparams = pi_.base.bv->buffer().params();
462 Layout const & layout = par_.layout();
466 // start of appendix?
467 if (par_.params().startOfAppendix())
468 y_top += paintAppendixStart(yo_ - row_.ascent() + 2 * defaultRowHeight());
470 if (bparams.paragraph_separation == BufferParams::ParagraphSkipSeparation
472 if (layout.latextype == LATEX_PARAGRAPH
473 && !par_.getDepth()) {
474 y_top += bparams.getDefSkip().inPixels(*pi_.base.bv);
476 Layout const & playout = pars_[pit_ - 1].layout();
477 if (playout.latextype == LATEX_PARAGRAPH
478 && !pars_[pit_ - 1].getDepth()) {
479 // is it right to use defskip here, too? (AS)
480 y_top += bparams.getDefSkip().inPixels(*pi_.base.bv);
485 bool const is_first =
486 text_.isFirstInSequence(pit_) || !layout.isParagraphGroup();
487 //lyxerr << "paintFirst: " << par_.id() << " is_seq: " << is_seq << endl;
489 if (layout.labelIsInline()
490 && (layout.labeltype != LABEL_STATIC || is_first)) {
492 } else if (is_first && layout.labelIsAbove()) {
493 paintTopLevelLabel();
498 void RowPainter::paintLabel()
500 docstring const str = par_.labelString();
504 bool const is_rtl = text_.isRTL(par_);
505 Layout const & layout = par_.layout();
506 FontInfo const font = labelFont();
507 FontMetrics const & fm = theFontMetrics(font);
511 x = width_ - leftMargin()
512 + fm.width(layout.labelsep);
514 x = x_ - fm.width(layout.labelsep)
518 pi_.pain.text(int(x), yo_, str, font);
522 void RowPainter::paintTopLevelLabel()
524 BufferParams const & bparams = pi_.base.bv->buffer().params();
525 bool const is_rtl = text_.isRTL(par_);
526 ParagraphParameters const & pparams = par_.params();
527 Layout const & layout = par_.layout();
528 FontInfo const font = labelFont();
529 docstring const str = par_.labelString();
533 double spacing_val = 1.0;
534 if (!pparams.spacing().isDefault())
535 spacing_val = pparams.spacing().getValue();
537 spacing_val = bparams.spacing().getValue();
539 FontMetrics const & fm = theFontMetrics(font);
541 int const labeladdon = int(fm.maxHeight()
542 * layout.spacing.getValue() * spacing_val);
545 int(fm.maxDescent() * layout.spacing.getValue() * spacing_val
546 + (layout.labelbottomsep * defaultRowHeight()));
549 if (layout.labeltype == LABEL_CENTERED) {
552 x += (width_ - text_metrics_.rightMargin(pm_) - leftMargin()) / 2;
553 x -= fm.width(str) / 2;
555 x = width_ - leftMargin() - fm.width(str);
557 pi_.pain.text(int(x), yo_ - maxdesc - labeladdon, str, font);
561 /** Check if the current paragraph is the last paragraph in a
563 static int getEndLabel(pit_type p, Text const & text)
565 ParagraphList const & pars = text.paragraphs();
567 depth_type par_depth = pars[p].getDepth();
568 while (pit != pit_type(pars.size())) {
569 Layout const & layout = pars[pit].layout();
570 int const endlabeltype = layout.endlabeltype;
572 if (endlabeltype != END_LABEL_NO_LABEL) {
573 if (p + 1 == pit_type(pars.size()))
576 depth_type const next_depth =
577 pars[p + 1].getDepth();
578 if (par_depth > next_depth ||
579 (par_depth == next_depth && layout != pars[p + 1].layout()))
585 pit = text.outerHook(pit);
586 if (pit != pit_type(pars.size()))
587 par_depth = pars[pit].getDepth();
589 return END_LABEL_NO_LABEL;
593 void RowPainter::paintLast()
595 bool const is_rtl = text_.isRTL(par_);
596 int const endlabel = getEndLabel(pit_, text_);
598 // paint imaginary end-of-paragraph character
600 Change const & change = par_.lookupChange(par_.size());
601 if (change.changed()) {
602 FontMetrics const & fm =
603 theFontMetrics(pi_.base.bv->buffer().params().getFont());
604 int const length = fm.maxAscent() / 2;
605 Color col = change.color();
607 pi_.pain.line(int(x_) + 1, yo_ + 2, int(x_) + 1, yo_ + 2 - length, col,
608 Painter::line_solid, 3);
610 if (change.deleted()) {
611 pi_.pain.line(int(x_) + 1 - length, yo_ + 2, int(x_) + 1 + length,
612 yo_ + 2, col, Painter::line_solid, 3);
614 pi_.pain.line(int(x_) + 1 - length, yo_ + 2, int(x_) + 1,
615 yo_ + 2, col, Painter::line_solid, 3);
623 case END_LABEL_FILLED_BOX: {
624 FontInfo const font = labelFont();
625 FontMetrics const & fm = theFontMetrics(font);
626 int const size = int(0.75 * fm.maxAscent());
627 int const y = yo_ - size;
628 int const max_row_width = width_ - size - Inset::TEXT_TO_INSET_OFFSET;
629 int x = is_rtl ? nestMargin() + changebarMargin()
630 : max_row_width - text_metrics_.rightMargin(pm_);
632 // If needed, move the box a bit to avoid overlapping with text.
633 int const rem = max_row_width - row_.width();
635 x += is_rtl ? rem : - rem;
637 if (endlabel == END_LABEL_BOX)
638 pi_.pain.rectangle(x, y, size, size, Color_eolmarker);
640 pi_.pain.fillRectangle(x, y, size, size, Color_eolmarker);
644 case END_LABEL_STATIC: {
645 FontInfo const font = labelFont();
646 FontMetrics const & fm = theFontMetrics(font);
647 docstring const & str = par_.layout().endlabelstring();
648 double const x = is_rtl ? x_ - fm.width(str) : x_;
649 pi_.pain.text(int(x), yo_, str, font);
653 case END_LABEL_NO_LABEL:
654 if (lyxrc.paragraph_markers && size_type(pit_ + 1) < pars_.size()) {
655 docstring const s = docstring(1, char_type(0x00B6));
656 FontInfo f = FontInfo(text_.layoutFont(pit_));
657 f.setColor(Color_paragraphmarker);
658 pi_.pain.text(int(x_), yo_, s, f);
659 x_ += theFontMetrics(f).width(s);
666 void RowPainter::paintOnlyInsets()
668 CoordCache const & cache = pi_.base.bv->coordCache();
669 pos_type const end = row_.endpos();
670 for (pos_type pos = row_.pos(); pos != end; ++pos) {
671 // If outer row has changed, nested insets are repaint completely.
672 Inset const * inset = par_.getInset(pos);
673 bool const nested_inset = inset &&
674 ((inset->asInsetMath() &&
675 !inset->asInsetMath()->asMacroTemplate())
676 || inset->asInsetText()
677 || inset->asInsetTabular());
680 if (x_ > pi_.base.bv->workWidth()
681 || !cache.getInsets().has(inset))
683 x_ = cache.getInsets().x(inset);
685 bool const pi_selected = pi_.selected;
686 Cursor const & cur = pi_.base.bv->cursor();
687 if (cur.selection() && cur.text() == &text_
688 && cur.normalAnchor().text() == &text_)
689 pi_.selected = row_.sel_beg <= pos && row_.sel_end > pos;
690 paintInset(inset, pos);
691 pi_.selected = pi_selected;
696 void RowPainter::paintText()
698 //LYXERR0("-------------------------------------------------------");
699 pos_type const end = row_.endpos();
700 // Spaces at logical line breaks in bidi text must be skipped during
701 // painting. However, they may appear visually in the middle
702 // of a row; they must be skipped, wherever they are...
703 // * logically "abc_[HEBREW_\nHEBREW]"
704 // * visually "abc_[_WERBEH\nWERBEH]"
705 pos_type skipped_sep_vpos = -1;
706 pos_type body_pos = par_.beginOfBody();
708 (body_pos > end || !par_.isLineSeparator(body_pos - 1))) {
712 Layout const & layout = par_.layout();
714 Change change_running;
715 int change_last_x = 0;
717 // check for possible inline completion
718 DocIterator const & inlineCompletionPos = pi_.base.bv->inlineCompletionPos();
719 pos_type inlineCompletionVPos = -1;
720 if (inlineCompletionPos.inTexted()
721 && inlineCompletionPos.text() == &text_
722 && inlineCompletionPos.pit() == pit_
723 && inlineCompletionPos.pos() - 1 >= row_.pos()
724 && inlineCompletionPos.pos() - 1 < row_.endpos()) {
725 // draw logically behind the previous character
726 inlineCompletionVPos = bidi_.log2vis(inlineCompletionPos.pos() - 1);
729 // Use font span to speed things up, see below
733 // If the last logical character is a separator, don't paint it, unless
734 // it's in the last row of a paragraph; see skipped_sep_vpos declaration
735 if (end > 0 && end < par_.size() && par_.isSeparator(end - 1))
736 skipped_sep_vpos = bidi_.log2vis(end - 1);
738 for (pos_type vpos = row_.pos(); vpos < end; ) {
739 if (x_ > pi_.base.bv->workWidth())
742 // Skip the separator at the logical end of the row
743 if (vpos == skipped_sep_vpos) {
748 pos_type const pos = bidi_.vis2log(vpos);
750 if (pos >= par_.size()) {
755 // Use font span to speed things up, see above
756 if (!font_span.contains(pos)) {
757 font_span = par_.fontSpan(pos);
758 font = text_metrics_.displayFont(pit_, pos);
760 // split font span if inline completion is inside
761 if (inlineCompletionVPos != -1
762 && font_span.contains(inlineCompletionPos.pos()))
763 font_span.last = inlineCompletionPos.pos();
766 // Note that this value will only be used in
767 // situations where no ligature of composition of
768 // characters is needed. (see comments in uses of width_pos).
769 const int width_pos = pm_.singleWidth(pos, font);
771 Change const & change = par_.lookupChange(pos);
772 if (change.changed() && !change_running.changed()) {
773 change_running = change;
774 change_last_x = int(x_);
777 Inset const * inset = par_.getInset(pos);
778 bool const highly_editable_inset = inset
779 && inset->editable();
781 // If we reach the end of a change or if the author changes, paint it.
782 // We also don't paint across things like tables
783 if (change_running.changed() && (highly_editable_inset
784 || !change.changed() || !change_running.isSimilarTo(change))) {
785 // Calculate 1/3 height of the buffer's default font
786 FontMetrics const & fm
787 = theFontMetrics(pi_.base.bv->buffer().params().getFont());
788 float const y_bar = change_running.deleted() ?
789 yo_ - fm.maxAscent() / 3 : yo_ + 2 * solid_line_offset_ + solid_line_thickness_;
790 pi_.pain.line(change_last_x, int(y_bar), int(x_), int(y_bar),
791 change_running.color(), Painter::line_solid, solid_line_thickness_);
793 // Change might continue with a different author or type
794 if (change.changed() && !highly_editable_inset) {
795 change_running = change;
796 change_last_x = int(x_);
798 change_running.setUnchanged();
801 if (body_pos > 0 && pos == body_pos - 1) {
802 int const lwidth = theFontMetrics(labelFont())
803 .width(layout.labelsep);
805 // width_pos is either the width of a space or an inset
806 x_ += row_.label_hfill + lwidth - width_pos;
809 // Is the inline completion in front of character?
810 if (font.isRightToLeft() && vpos == inlineCompletionVPos)
811 paintInlineCompletion(font);
813 if (par_.isSeparator(pos)) {
814 Font const orig_font = text_metrics_.displayFont(pit_, pos);
815 double const orig_x = x_;
816 // width_pos is the width of a space
817 double separator_width = width_pos;
819 separator_width += row_.separator;
820 paintSeparator(orig_x, separator_width, orig_font.fontInfo());
821 paintForeignMark(orig_x, orig_font.language());
825 // If outer row has changed, nested insets are repaint completely.
826 pi_.base.bv->coordCache().insets().add(inset, int(x_), yo_);
828 bool const pi_selected = pi_.selected;
829 Cursor const & cur = pi_.base.bv->cursor();
830 if (cur.selection() && cur.text() == &text_
831 && cur.normalAnchor().text() == &text_)
832 pi_.selected = row_.sel_beg <= pos && row_.sel_end > pos;
833 paintInset(inset, pos);
834 pi_.selected = pi_selected;
838 // paint as many characters as possible.
839 paintFromPos(vpos, change_running.changed());
842 // Is the inline completion after character?
843 if (!font.isRightToLeft() && vpos - 1 == inlineCompletionVPos)
844 paintInlineCompletion(font);
847 // if we reach the end of a struck out range, paint it
848 if (change_running.changed()) {
849 FontMetrics const & fm
850 = theFontMetrics(pi_.base.bv->buffer().params().getFont());
851 float const y_bar = change_running.deleted() ?
852 yo_ - fm.maxAscent() / 3 : yo_ + 2 * solid_line_offset_ + solid_line_thickness_;
853 pi_.pain.line(change_last_x, int(y_bar), int(x_), int(y_bar),
854 change_running.color(), Painter::line_solid, solid_line_thickness_);
855 change_running.setUnchanged();
860 void RowPainter::paintSelection()
862 if (!row_.selection())
864 Cursor const & curs = pi_.base.bv->cursor();
865 DocIterator beg = curs.selectionBegin();
867 beg.pos() = row_.sel_beg;
869 DocIterator end = curs.selectionEnd();
871 end.pos() = row_.sel_end;
873 bool const begin_boundary = beg.pos() >= row_.endpos();
874 bool const end_boundary = row_.sel_end == row_.endpos();
876 DocIterator cur = beg;
877 cur.boundary(begin_boundary);
878 int x1 = text_metrics_.cursorX(beg.top(), begin_boundary);
879 int x2 = text_metrics_.cursorX(end.top(), end_boundary);
880 int const y1 = yo_ - row_.ascent();
881 int const y2 = y1 + row_.height();
883 int const rm = text_.isMainText() ? pi_.base.bv->rightMargin() : 0;
884 int const lm = text_.isMainText() ? pi_.base.bv->leftMargin() : 0;
887 if (row_.begin_margin_sel) {
888 if (text_.isRTL(beg.paragraph())) {
889 pi_.pain.fillRectangle(int(xo_ + x1), y1,
890 text_metrics_.width() - rm - x1, y2 - y1, Color_selection);
892 pi_.pain.fillRectangle(int(xo_ + lm), y1, x1 - lm, y2 - y1,
897 if (row_.end_margin_sel) {
898 if (text_.isRTL(beg.paragraph())) {
899 pi_.pain.fillRectangle(int(xo_ + lm), y1, x2 - lm, y2 - y1,
902 pi_.pain.fillRectangle(int(xo_ + x2), y1, text_metrics_.width() - rm - x2,
903 y2 - y1, Color_selection);
907 // if we are on a boundary from the beginning, it's probably
908 // a RTL boundary and we jump to the other side directly as this
909 // segement is 0-size and confuses the logic below
913 // go through row and draw from RTL boundary to RTL boundary
915 bool draw_now = false;
917 // simplified cursorForward code below which does not
918 // descend into insets and which does not go into the
919 // next line. Compare the logic with the original cursorForward
921 // if left of boundary -> just jump to right side, but
922 // for RTL boundaries don't, because: abc|DDEEFFghi -> abcDDEEF|Fghi
923 if (cur.boundary()) {
925 } else if (text_metrics_.isRTLBoundary(cur.pit(), cur.pos() + 1)) {
926 // in front of RTL boundary -> Stay on this side of the boundary
927 // because: ab|cDDEEFFghi -> abc|DDEEFFghi
936 if (cur.pos() == row_.endpos())
941 // the previous segment was just drawn, now the next starts
942 x1 = text_metrics_.cursorX(cur.top(), cur.boundary());
945 if (!(cur < end) || draw_now) {
946 x2 = text_metrics_.cursorX(cur.top(), cur.boundary());
947 pi_.pain.fillRectangle(int(xo_ + min(x1, x2)), y1, abs(x2 - x1),
948 y2 - y1, Color_selection);
950 // reset x1, so it is set again next round (which will be on the
951 // right side of a boundary or at the selection end)
958 void RowPainter::paintInlineCompletion(Font const & font)
960 docstring completion = pi_.base.bv->inlineCompletion();
961 FontInfo f = font.fontInfo();
962 bool rtl = font.isRightToLeft();
964 // draw the unique and the non-unique completion part
965 // Note: this is not time-critical as it is
966 // only done once per screen.
967 size_t uniqueTo = pi_.base.bv->inlineCompletionUniqueChars();
968 docstring s1 = completion.substr(0, uniqueTo);
969 docstring s2 = completion.substr(uniqueTo);
970 ColorCode c1 = Color_inlinecompletion;
971 ColorCode c2 = Color_nonunique_inlinecompletion;
981 pi_.pain.text(int(x_), yo_, s1, f);
982 x_ += theFontMetrics(font).width(s1);
987 pi_.pain.text(int(x_), yo_, s2, f);
988 x_ += theFontMetrics(font).width(s2);